Thiamine Hydrochloride
Thiamine Hydrochloride is a highly water-soluble vitamin B1 source used in food enrichment, fortification, beverage systems, nutritional premixes and food supplements. Its solubility makes it particularly useful where rapid dissolution or distribution through an aqueous phase is required.
Thiamin, also written thiamine, is an essential water-soluble nutrient. Thiamine Hydrochloride supplies the thiamin cation as a chloride hydrochloride salt. Formulation calculations must distinguish between the total weight of the hydrochloride salt, the certified raw-material assay and the amount declared as thiamin or vitamin B1.
Although it is well suited to liquid systems, Thiamine Hydrochloride is generally more hygroscopic than Thiamine Mononitrate. Dry premix design therefore requires careful control of moisture, particle size, carrier selection, packaging and segregation.
Product identity
| Product name | Thiamine Hydrochloride |
|---|---|
| Alternative spelling | Thiamin Hydrochloride |
| Common abbreviation | Thiamine HCl |
| Nutrient identity | Vitamin B1 / Thiamin |
| Chemical description | Chloride hydrochloride salt of the thiamin cation |
| Chemical formula | C12H18Cl2N4OS |
| Approximate molecular weight | 337.27 g/mol |
| CAS number | 67-03-8 |
| Theoretical thiamin equivalent | Approximately 78.7% thiamin cation by molecular-weight calculation before assay and water correction |
| Conventional E / INS number | Not normally assigned as a conventional food-additive E number; regulated as an authorized vitamin B1 source |
| Typical appearance | White to off-white crystalline powder |
| Typical odor | Slight characteristic odor or nearly odorless, subject to the applicable specification |
| Water behavior | Highly water soluble compared with Thiamine Mononitrate |
| Hygroscopicity | Hygroscopic; moisture exposure can affect flow, caking, potency basis and storage stability |
| Primary function | Vitamin B1 enrichment and fortification |
| Typical commercial forms | Pure powder, standardized dry dilution, granulated grade, protected preparation, multivitamin premix or formulated liquid concentrate |
Primary industrial functions
- Liquid fortification: provides a soluble vitamin B1 source for compatible beverage, syrup and aqueous-premix systems.
- Mandatory enrichment: supplies thiamin where grain-product standards require nutrient restoration.
- Voluntary fortification: increases vitamin B1 content to a defined nutritional target.
- Nutrient-premix component: supports standardized multivitamin and mineral formulations.
- Nutrition-claim support: may contribute toward legally defined vitamin B1 content claims.
- Process-loss compensation: can be applied with a justified overage based on measured retention.
- Rapid dissolution: can simplify preparation of low-concentration liquid premixes.
- Micronutrient standardization: helps finished products meet a controlled thiamin specification.
Thiamin structure and nutritional conversion
Thiamin contains linked aminopyrimidine and thiazolium structural regions. The positively charged thiamin molecule is supplied with chloride counterions in the hydrochloride salt. The salt mass is therefore greater than the mass of the nutritionally active thiamin cation.
Salt weight
The warehouse and manufacturing system normally weighs the complete Thiamine Hydrochloride salt, including its chloride components.
This is the basis normally shown for inventory, dispensing and purchase-order quantities.
Vitamin B1 equivalent
Nutrition declarations are generally based on thiamin or vitamin B1 rather than total hydrochloride salt weight.
Theoretical molecular conversion must be corrected for the lot-specific assay and the basis on which the supplier reports potency.
Theoretical conversion
Thiamin-cation fraction = molecular weight of thiamin cation ÷ molecular weight of Thiamine Hydrochloride
Using the representative molecular weights, the theoretical thiamin-cation fraction is approximately 0.787, or 78.7%.
A commercial lot with an assay below or above the nominal value requires an additional assay correction. Follow the controlling regulatory or compendial convention when a different calculation basis is specified.
Thiamine Hydrochloride compared with Thiamine Mononitrate
| Selection factor | Thiamine Hydrochloride | Thiamine Mononitrate |
|---|---|---|
| Typical positioning | Beverages, liquid premixes, supplements and rapidly dissolving systems | Dry flour, cereal, bakery and low-moisture premixes |
| Water solubility | Higher | Lower |
| Hygroscopicity | Generally higher | Generally lower |
| Dry-blend storage | Requires stronger moisture and caking control | Often preferred where long dry-premix stability is critical |
| Liquid-premix preparation | Generally easier to dissolve at equivalent vitamin concentration | May dissolve slowly or incompletely in concentrated systems |
| Theoretical thiamin equivalent | Approximately 78.7% | Approximately 81.1% |
| Dosing conversion | Each salt requires its own molecular and assay conversion | |
| Final selection | Should be based on authorized use, solubility, moisture, process, stability, premix design, claims and cost in use | |
Technical purchasing specification framework
Exact release limits depend on the selected food-chemical, pharmacopoeial, national or customer specification. The purchase order should identify the controlling standard and revision instead of using “food grade” as the only requirement.
| Parameter | Purchasing requirement | Industrial significance |
|---|---|---|
| Identity | Confirmed as Thiamine Hydrochloride using a validated compendial, spectroscopic or chromatographic method | Prevents confusion with Thiamine Mononitrate or a formulated dilution |
| Chemical formula | C12H18Cl2N4OS | Supports identity and equivalent calculations |
| Assay | Controlled range on a stated as-is, anhydrous or dried basis | Primary input for fortification and premix calculations |
| Thiamin-equivalent basis | Supplier-declared conversion and reporting convention | Prevents under- or over-fortification |
| Appearance | White to off-white crystalline powder | Discoloration can indicate contamination or deterioration |
| Identification tests | Thiamin and chloride identity confirmed according to the controlling standard | Demonstrates the correct vitamin salt |
| Water / loss on drying | Controlled maximum using a defined method | Influences assay basis, caking, flow and storage stability |
| Residue on ignition / sulfated ash | Controlled maximum | Supports control of inorganic manufacturing residues |
| Related substances | Individual and total impurities controlled where required | Supports manufacturing consistency and shelf-life quality |
| Chloride identity or content | Confirmed according to the controlling specification | Distinguishes the hydrochloride form from other thiamin salts |
| Residual solvents | Complies with the synthesis and purification process | Relevant to chemical manufacture and customer approval |
| Elemental impurities | Lead, arsenic, cadmium, mercury and other required elements | Supports food, supplement and special-nutrition compliance |
| Particle size | Sieve or laser-diffraction profile suited to the application | Affects dissolution, homogeneity, dust and segregation |
| Bulk density | Typical or controlled range | Relevant to volumetric feeding, packaging and premix matching |
| Flowability | Supplier- or customer-defined criterion | Affects hopper discharge, micro-dosing and blend uniformity |
| Solution clarity | Application-specific requirement at a defined concentration | Important for clear beverages and liquid premixes |
| Solution color | Controlled where appearance-sensitive liquids are produced | Detects impurities and supports beverage-color consistency |
| Microbiological quality | Risk-based limits, particularly for standardized and carrier-containing preparations | Pure crystalline and formulated products can require different controls |
Pure powder, dry dilution and liquid formulations
| Commercial form | Primary characteristics | Key purchasing questions |
|---|---|---|
| Pure crystalline powder | High-potency Thiamine Hydrochloride without an intentional carrier | Assay, water, particle size, density, dusting and weighing capability |
| Standardized dry dilution | Vitamin blended with maltodextrin, starch, flour or another authorized carrier | Thiamin potency, carrier identity, homogeneity, allergens, moisture and microbiology |
| Granulated grade | Engineered particles intended to improve flow, reduce dust or match other premix components | Binder, active content, particle profile, dissolution and segregation |
| Protected preparation | Coated or matrix-protected product designed for a defined process or storage challenge | Coating composition, release, bioavailability, heat retention and legal status |
| Liquid concentrate | Thiamine Hydrochloride dissolved in an aqueous or supplier-specific carrier system | Active content, pH, preservative, microbiology, storage, packaging and precipitation risk |
| Multivitamin premix | Thiamin combined with other vitamins and a controlled carrier | Full composition, overages, incompatibilities, moisture, homogeneity and stability |
| Enrichment premix | Thiamin combined with riboflavin, niacin, folic acid, iron or other grain-enrichment nutrients | Legal nutrient ratios, iron compatibility, feed rate, density and flour distribution |
Dissolution and liquid-premix preparation
Thiamine Hydrochloride is selected frequently when the vitamin must dissolve rapidly in water. Solubility alone does not guarantee a stable finished product: pH, temperature, sulfites, minerals, preservatives and storage time must also be controlled.
Recommended liquid-premix sequence
- Confirm the required concentration. Calculate both Thiamine Hydrochloride and thiamin-equivalent targets.
- Use specification-compliant water. Control microbiology, hardness, metals, oxidants and pH.
- Establish gentle agitation. Avoid unnecessary vortexing and air entrainment.
- Add the vitamin gradually. Prevent local high concentration and material adhering above the liquid line.
- Mix until dissolved. Confirm that no visible crystals or sediment remain.
- Add incompatible components carefully. Sulfites, alkaline salts and concentrated minerals require specific evaluation.
- Adjust to final volume or mass. Account for all carriers and process water.
- Verify pH and potency. Test the complete premix rather than relying only on theoretical addition.
- Use promptly or validate storage. Define temperature, light protection, preservative and maximum hold time.
Water-quality variables
- pH
- Iron and copper
- Residual chlorine or oxidants
- Hardness and mineral profile
- Microbiological quality
- Temperature
- Dissolved oxygen
- Organic contamination
Liquid-premix release checks
- Correct vitamin identity
- Calculated and measured potency
- Solution clarity
- Color
- pH
- No visible sediment
- Microbiological compliance
- Maximum hold time
- Correct tank and batch identification
pH, heat, moisture, sulfite and ingredient effects
| Risk factor | Potential effect | Control strategy |
|---|---|---|
| Moisture | Promotes caking, molecular mobility and reaction with other premix ingredients | Use barrier packaging, dry carriers and controlled humidity |
| Heat | Can reduce thiamin during pasteurization, sterilization, baking, extrusion and hot holding | Measure retention through the complete thermal process |
| Acidic pH | Thiamin is generally more stable in controlled acidic aqueous systems | Confirm sensory, package and ingredient compatibility |
| Neutral or alkaline pH | Can accelerate degradation, particularly with heat | Minimize hold time and consider addition after severe alkaline processing |
| Sulfites | Can cleave the thiamin molecule and cause rapid potency loss | Avoid incompatible combinations or validate the maximum sulfite condition |
| Reducing sugars | Heat and moisture can promote degradation and browning-related reactions | Test the actual sugar system, water activity and process temperature |
| Oxidizing chemicals | Can degrade vitamin structure or alter solution quality | Control water treatment, sanitizers and process residues |
| Trace metals | Can promote indirect oxidative reactions in complex formulations | Control raw materials, water and equipment contact |
| Light | Can contribute to degradation in exposed solutions or premixes | Use light-resistant tanks, lines and packaging where appropriate |
| Long storage | Gradual potency loss can reduce end-of-shelf-life compliance | Establish real-time stability and a justified overage |
Pasteurization, sterilization, baking and extrusion
Pasteurized beverages
- Measure vitamin before and after the thermal process.
- Record product temperature rather than only equipment settings.
- Include warm holding before filling.
- Evaluate final equilibrium pH.
- Assess package light and oxygen exposure.
- Complete real-time shelf-life testing.
Retort and sterilized foods
- Expect greater thermal challenge than mild pasteurization.
- Evaluate the coldest and hottest package locations.
- Include come-up and cooling time.
- Assess alkaline ingredients and reducing sugars.
- Consider protected or alternative vitamin forms where permitted.
- Validate the selected overage experimentally.
Baked products
- Measure loss during mixing, fermentation and baking.
- Consider sulfites, reducing agents and dough pH.
- Account for moisture migration during storage.
- Use representative crust and crumb sampling.
- Confirm serving-level homogeneity.
- Compare Hydrochloride and Mononitrate where practical.
Extruded products
- Control feed moisture and barrel temperature.
- Include mechanical shear and residence time.
- Measure retention after cooling and drying.
- Compare pre-extrusion and topical addition.
- Evaluate vitamin distribution in coatings.
- Test finished packages through shelf life.
Overage and end-of-shelf-life compliance
Overage is additional vitamin added above the intended declared or minimum level to compensate for predictable manufacturing and storage losses. It should be based on measured retention rather than a universal percentage.
| Stage | Possible loss or variation | Recommended measurement |
|---|---|---|
| Raw-material dispensing | Scale error, dust loss or incorrect potency conversion | Independent weight and calculation verification |
| Premix production | Incomplete transfer, segregation or poor homogeneity | Premix potency and blend-uniformity testing |
| Liquid-premix storage | pH-, temperature- or sulfite-related degradation | Potency at the maximum validated hold time |
| Plant dosing | Feeder or pump error and line retention | Actual addition record and fortified intermediate sample |
| Thermal processing | Heat- and moisture-related degradation | Product after cooling and equilibration |
| Packaging | Segregation, dust or retained product | Composite sample from packaged production |
| Shelf life | Time, temperature, moisture, light and ingredient interaction | Scheduled real-time stability intervals |
Overage calculation
Initial thiamin target = required end-of-shelf-life thiamin ÷ expected retained fraction
The initial level must remain within applicable legal, nutritional, customer and safety requirements. Analytical uncertainty and normal manufacturing variation should be considered separately.
Thiamin-equivalent and batch-addition calculations
Thiamin-equivalent fraction
Thiamin-equivalent fraction = Thiamine Hydrochloride assay fraction × 0.7868
Apply this equation only when the assay is reported as anhydrous Thiamine Hydrochloride and the controlling regulatory convention uses the same thiamin-cation basis.
Pure raw-material addition
Raw material, kg = target thiamin, mg/kg × batch mass, kg ÷ (1,000,000 × thiamin-equivalent fraction)
Include the justified process and storage overage in the target before completing the calculation.
Premix addition
Required premix, kg = total required thiamin, mg ÷ premix potency, mg/kg
Confirm whether premix potency is expressed as thiamin, Thiamine Hydrochloride or total formulated product.
Liquid-concentrate addition
Liquid concentrate, kg = total required thiamin, kg ÷ thiamin fraction in concentrate
Correct volumetric metering for density and temperature when the concentrate is dosed by volume.
Serving contribution
Thiamin per serving, mg = finished-product thiamin, mg/kg × serving mass, g ÷ 1,000
Retention
Retention, % = measured thiamin after processing ÷ measured or calculated thiamin before processing × 100
Low-dose distribution and dry-premix design
Even though Thiamine Hydrochloride dissolves readily, dry addition at very low concentration can still produce uneven distribution. A standardized dilution or multistage premix can create a safer and more practical feed rate.
Recommended dry-premix sequence
- Calculate the active requirement. Convert the vitamin B1 target to assay-corrected Thiamine Hydrochloride.
- Select a dry carrier. Match particle size, density, moisture, flow and regulatory status.
- Prepare an initial concentrate. Blend the vitamin with a controlled quantity of carrier.
- Apply geometric dilution. Increase premix mass progressively while maintaining homogeneity.
- Control humidity. Limit exposure because Thiamine Hydrochloride can absorb moisture.
- Verify blend uniformity. Use a statistically justified sample plan.
- Fill promptly. Use moisture-resistant packaging with clear potency identification.
- Validate plant feeding. Confirm uniformity through conveying, hopper storage and final dosing.
Carrier-selection criteria
- Authorized use in the destination market
- Low and controlled moisture
- Compatible particle size
- Compatible bulk density
- Good flowability
- Low electrostatic tendency
- Neutral odor and flavor
- Acceptable allergen and GMO status
- Analytical compatibility
Segregation risks
- Large particle-size differences
- Large density differences
- Vibration during transport
- Long free-fall distance
- Pneumatic classification
- Electrostatic charging
- Particle attrition
- Repeated container transfers
- Moisture-related agglomeration
Potential food and nutrition applications
Permitted forms, minimum and maximum levels, enrichment requirements, claims and label declarations vary by jurisdiction and food category. The following are technical evaluation areas rather than universal permissions.
| Application | Potential purpose | Critical validation points |
|---|---|---|
| Clear and flavored beverages | Soluble vitamin B1 fortification and nutrition-claim support | pH, sulfites, heat, solution clarity, flavor, package light and shelf-life potency |
| Energy and sports drinks | Multivitamin fortification in an aqueous system | Acid system, mineral load, caffeine, preservatives, heat and declaration per serving |
| Liquid nutrition products | Controlled vitamin B1 delivery in nutrition beverages | Protein, minerals, retort or UHT process, pH, package and end-of-shelf-life compliance |
| Dry beverage mixes | Rapidly dissolving vitamin B1 source after reconstitution | Premix homogeneity, moisture, dissolution, final pH and consumer preparation |
| Nutrition powders | Multi-vitamin fortification in meal-replacement and powdered foods | Moisture, minerals, particle matching, serving uniformity and shelf-life stability |
| Wheat flour | Enrichment or restoration of milling-related nutrient loss | Legal enrichment level, hygroscopic premix behavior, feeder calibration, flour uniformity and baking retention |
| Maize flour and cornmeal | Public-health or voluntary vitamin B1 fortification | National standard, premix segregation, cooking loss and particle compatibility |
| Breakfast cereals | Fortification and vitamin B1 nutrition claims | Extrusion, toasting, topical coating, serving size, moisture and package stability |
| Pasta and noodles | Enrichment and nutrient standardization | Dough distribution, drying temperature, cooking-water loss and finished-product analysis |
| Food supplements | Tablet, capsule, sachet, effervescent or liquid vitamin B1 source | Authorized form, dosage, dissolution, uniformity, claims and national notification |
| Effervescent products | Soluble vitamin B1 delivery in a reconstituted supplement | Moisture protection, acid-base reaction, solution pH, taste and package barrier |
| Infant and young-child foods | Controlled vitamin B1 supply where specifically authorized | Category legislation, purity, minimum and maximum levels, thermal retention and analytical release |
| Foods for special medical purposes | Nutritionally complete or condition-specific vitamin B1 supply | Medical-food rules, patient group, clinical formulation, maximum levels and shelf-life potency |
| Plant-based nutrition products | Vitamin B1 standardization or nutritional fortification | Protein, minerals, iron, pH, processing temperature and serving claim |
Beverage stability and clarity evaluation
| Development question | Potential risk | Recommended test |
|---|---|---|
| Does the full dose dissolve? | Crystals, haze or sediment | Concentration ladder using production water and final temperature |
| Is the final pH stable? | Accelerated degradation at unfavorable pH | Potency at initial, accelerated and real-time storage intervals |
| Are sulfites present? | Rapid destruction of vitamin B1 | Compatibility test using maximum expected sulfite concentration |
| Are iron or copper present? | Indirect oxidation and flavor changes | Test the full mineral and chelation system |
| Is the beverage pasteurized? | Thermal potency loss | Measure before and after the complete heat and cooling cycle |
| Is the product UHT or retorted? | More severe heat degradation | Pilot process with full package and shelf-life analysis |
| Is the package transparent? | Light-related loss or color change | Compare protected and exposed packages |
| Is a premix held before use? | Loss before addition to the finished beverage | Validate maximum premix hold time and temperature |
| Is the beverage carbonated? | pH, filling and gas handling can affect process design | Evaluate vitamin addition before and after carbonation |
Interactions with premix and food components
| Component | Potential interaction | Recommended control |
|---|---|---|
| Sulfites | Can cleave and destroy thiamin | Avoid incompatible combinations or validate retention through shelf life |
| Alkaline salts | Can increase local pH and accelerate degradation | Avoid concentrated contact and test the final formulation |
| Iron salts | May contribute indirectly to oxidation and premix instability | Select iron form, carrier, chelation and packaging using stability data |
| Copper salts | Can catalyze oxidative reactions in moist or liquid systems | Limit direct concentrated contact and control dissolved metals |
| Ascorbic acid | Changes local acidity and redox conditions | Evaluate the complete vitamin-mineral system |
| Riboflavin | Can contribute to light-sensitive reactions in complex vitamin systems | Use light-protective processing and packaging |
| Reducing sugars | Heat and moisture can promote degradation and browning reactions | Test the actual sugar composition, water activity and process |
| Hygroscopic ingredients | Increase moisture uptake, caking and reaction mobility in premixes | Use dry carriers, desiccant where validated and barrier packaging |
| Preservatives | Compatibility depends on preservative chemistry and pH | Test potency, color and flavor through shelf life |
| Protein systems | Heat, pH and reducing sugars can create matrix-specific losses | Validate in the complete beverage or nutrition product |
Raw-material assay and finished-food analysis
Raw-material testing
- Identity by validated compendial method
- Assay on the stated basis
- Water or loss on drying
- Related substances
- Residue on ignition
- Elemental impurities
- Particle size
- Appearance and odor
- Solution clarity where required
Premix testing
- Thiamin potency per kilogram
- Blend uniformity
- Moisture and water activity
- Particle-size distribution
- Bulk density
- Flowability
- Carrier identity
- Microbiological quality
- Stability through stated shelf life
Finished-food method considerations
- Use a method validated for the actual food matrix.
- Define whether total thiamin includes naturally phosphorylated forms.
- Apply controlled acid and enzymatic extraction where required.
- Use thiochrome derivatization or another validated detection system.
- Protect extracts from adverse pH, heat and light.
- Assess recovery with matrix-fortified samples.
- Use certified reference material where available.
- Include analytical uncertainty in release and label decisions.
- Bridge methods before changing laboratories or procedures.
Incoming inspection and COA review
Certificate of Analysis review
- Correct vitamin and hydrochloride salt identity
- CAS number
- Controlling specification and revision
- Assay result and reporting basis
- Thiamin-equivalent declaration
- Water or loss on drying
- Related-substance results
- Residue or ash
- Elemental impurities
- Authorized laboratory approval
Physical inspection
- Package and seal integrity
- Correct product and potency label
- Lot number and shelf-life date
- White to off-white powder
- No unusual discoloration
- No foreign odor
- No moisture damage
- No severe caking
- No visible contamination
Traceability information
- Manufacturer and approved production site
- Country of origin and manufacture
- Batch or lot number
- Manufacturing date
- Retest, expiry or best-before date
- COA issue date
- Specification revision
- Package and pallet identification
- Purchase-order reference
Change-control triggers
- Manufacturing-site change
- Synthesis-route change
- Raw-material source change
- Specification or method change
- Assay-basis change
- Particle-size change
- Carrier or coating change
- Packaging or shelf-life change
- Regulatory-status change
Typical synthesis, salt formation and finishing stages
Commercial manufacturing processes are supplier-specific. Thiamine is generally produced through controlled chemical synthesis, followed by hydrochloride salt formation, purification, crystallization, drying and particle finishing.
- Intermediate production: controlled pyrimidine- and thiazole-related intermediates are manufactured and purified.
- Molecular assembly: the principal intermediates are coupled to create the thiamin structure.
- Hydrochloride salt formation: the thiamin cation is converted into the specified hydrochloride form.
- Purification: reaction by-products, residual reagents and solvents are reduced.
- Crystallization: controlled conditions produce the required crystalline material.
- Solid-liquid separation: crystals are isolated and washed.
- Drying: water and residual solvent are reduced under controlled conditions.
- Milling or classification: particle size is adjusted for the intended grade.
- Lot homogenization: released material may be blended to improve uniformity.
- Quality release: identity, assay, impurities, water and physical characteristics are reviewed.
- Protective packaging: the product is packed under controlled humidity and hygiene conditions.
Regulatory, enrichment and labeling considerations
European Union
Thiamin hydrochloride is listed as a vitamin B1 source in the European framework for food supplements. General food fortification, infant foods, foods for special medical purposes and other regulated categories remain subject to separate compositional, purity, labeling and national requirements.
United States
Thiamin is used in standardized enriched grain products and may be used in other conventional foods and dietary supplements under the applicable legal framework. The exact nutrient level and permitted form depend on the food category.
The current U.S. Daily Value for thiamin for adults and children aged four years and older is 1.2 mg. Added thiamin and related claims must be declared under current nutrition-labeling rules.
Special-nutrition categories
Infant formula, follow-on formula, young-child foods, meal replacements, foods for special medical purposes and therapeutic nutrition products require category-specific approval.
- Confirm that Thiamine Hydrochloride is an authorized form.
- Confirm minimum and maximum vitamin B1 levels.
- Confirm the required energy, volume or serving basis.
- Confirm purity and contaminant standards.
- Confirm analytical release requirements.
- Confirm age-group and medical-use labeling.
- Confirm product notification or registration requirements.
Label declarations and vitamin B1 claims
| Labeling issue | Required control |
|---|---|
| Ingredient name | Use the market-accepted name, such as Thiamine Hydrochloride, thiamin or vitamin B1, as applicable |
| Nutrition declaration | Report thiamin in the required unit and serving, volume or 100 g basis |
| Reference-value percentage | Use the destination market’s current reference intake or Daily Value |
| “Source” or “high” claim | Confirm the legal threshold and expected end-of-shelf-life level |
| Authorized health-function wording | Use only wording approved in the destination jurisdiction and only when qualifying conditions are met |
| Natural-source wording | Do not represent synthesized Thiamine Hydrochloride as a naturally extracted vitamin without substantiation |
| Shelf-life compliance | Support the declared amount with process-retention, stability and analytical data |
Manufacturing and quality-system controls
Quality-system review
- Recognized food-safety or quality certification
- Food-chemical or pharmaceutical-style GMP where applicable
- Raw-material approval and traceability
- Validated synthesis and purification controls
- Residual-solvent control
- Elemental-impurity control
- Laboratory method validation
- Foreign-material prevention
- Change-control notification
- Recall and mass-balance capability
Declarations and certifications
- Food-grade or nutrient-source compliance statement
- Compendial compliance where required
- Country-of-origin statement
- Manufacturing-site declaration
- Allergen and cross-contact statement
- GMO statement
- Irradiation status
- Animal-origin, vegan and vegetarian declaration
- Halal and Kosher certificates where required
- Primary-packaging food-contact compliance
Micro-dosing, moisture and dust control
Thiamine Hydrochloride is a high-potency micronutrient used at low concentrations. Accurate weighing, product verification and containment are therefore critical.
Dispensing controls
- Use calibrated balances suitable for the required mass.
- Apply independent verification for critical additions.
- Use dedicated and clearly labeled dispensing containers.
- Reconcile issued, returned and consumed quantities.
- Prevent confusion with Thiamine Mononitrate.
- Verify raw-material assay before calculation.
- Record lot number and actual dispensed weight.
- Use barcode or electronic verification where available.
Dust and moisture controls
- Follow the current supplier Safety Data Sheet.
- Minimize dust during bag opening and weighing.
- Use local extraction where required by the risk assessment.
- Use appropriate eye, skin and respiratory protection.
- Keep containers open only for the required time.
- Avoid compressed-air cleaning.
- Use clean and dry approved vacuum equipment.
- Assess combustible-dust properties for the supplied grade.
- Prevent cross-contamination with other micronutrients.
Packaging, storage and transport
Typical dry packaging
Common formats may include sealed foil-laminate bags, double polyethylene liners, fibre drums or cartons with moisture- and light-resistant inner packaging.
- Net weight per pack
- Primary food-contact liner
- Moisture-vapor barrier
- Light and oxygen barrier
- Tamper-evident closure
- Desiccant where validated
- Drums or cartons per pallet
- Lot, potency and expiry labeling
- Container-loading configuration
Liquid-grade packaging
- Declared active concentration
- Compatible food-contact container
- Preservative and microbiological controls
- Light protection
- Temperature limits
- Tamper-evident seal
- Agitation requirement where applicable
- Maximum unopened and opened shelf life
- Validated closure and dispensing system
Storage controls
- Store in tightly sealed packaging in a cool, dry area.
- Protect from humidity, condensation and direct water contact.
- Protect from heat and direct light.
- Segregate from sulfites and incompatible chemicals.
- Prevent foreign odor and dust contamination.
- Reseal partial packs immediately.
- Use clean and dry dispensing utensils.
- Apply FEFO stock rotation.
- Follow the supplier’s storage-temperature statement.
- Assess significant transport and warehouse excursions.
Fortification accuracy and waste prevention
Efficient nutrient use
- Use lot-specific assay-corrected calculations.
- Base overage on measured retention.
- Use practical premix or concentrate feed rates.
- Minimize dust and transfer losses.
- Validate liquid-premix hold time.
- Prevent rejected batches with feeder and pump alarms.
- Trend finished-product potency.
- Reduce expired inventory through FEFO planning.
Packaging and logistics efficiency
- Select pack sizes that minimize partial containers.
- Use high-potency material where accurate micro-dosing is available.
- Use standardized preparations where they reduce plant errors.
- Optimize pallet and container utilization.
- Protect material to avoid humidity-related disposal.
- Coordinate forecast and shelf life before large purchases.
- Recover line and container heel only under validated procedures.
Documents to request before approval
Core technical documents
- Current Product Specification
- Technical Data Sheet
- Lot-specific Certificate of Analysis
- Assay method and reporting basis
- Thiamin-equivalent calculation
- Safety Data Sheet
- Particle-size information
- Solubility or dissolution guidance
- Packaging specification
- Shelf-life and storage statement
Compliance documents
- Food-grade or nutrient-source declaration
- Pharmacopoeial or food-chemical compliance where required
- Destination-market regulatory statement
- Allergen and cross-contact declaration
- GMO and irradiation statements
- Animal-origin, vegan and vegetarian declaration
- Halal and Kosher certificates where required
- Food-safety or GMP certificate
- Primary-packaging food-contact declaration
Stability and application data
- Dry-storage stability
- Liquid-premix stability
- pH-stability data
- Pasteurization or retort retention data
- Baking or extrusion retention data
- Sulfite-compatibility information
- Recommended overage guidance
- Comparison with Thiamine Mononitrate
International trade documents
- Commercial invoice
- Packing list
- Certificate of origin
- Health or free-sale certificate where required
- Legalized or chamber-certified COA where required
- Transport-classification statement
- ISPM 15 declaration where applicable
- Importer-specific registration documents
Information required for an accurate quotation
| Inquiry field | Information to provide |
|---|---|
| Product identity | Thiamine Hydrochloride / Thiamin Hydrochloride / Vitamin B1 HCl |
| Required grade | Pure powder, pharmacopoeial grade, food-chemical grade, granulate, standardized dilution, liquid concentrate or premix |
| Application | Beverage, nutrition powder, flour, cereal, pasta, supplement, infant food or medical-nutrition product |
| Potency basis | Required assay as Thiamine Hydrochloride, thiamin or vitamin B1 |
| Fortification target | Required vitamin B1 in mg/kg, mg/L, mg/serving or another legal basis |
| Product conditions | pH, water activity, sulfite, reducing sugar, protein, mineral and preservative composition |
| Process conditions | Mixing, premix hold, pasteurization, UHT, retort, fermentation, baking, extrusion or drying |
| Physical requirements | Particle size, bulk density, flow, dissolution, clarity and premix compatibility |
| Regulatory market | Destination country, food category and intended consumer group |
| Required standard | USP, Ph. Eur., FCC, national, customer or another reference specification |
| Quantity | Sample, pilot trial, drum, pallet, regular order and annual forecast |
| Packaging | Bag, carton, fibre drum, liquid container, liner, pallet and private-label requirements |
| Destination | Delivery city, port and country |
| Commercial terms | Requested Incoterm, currency, payment preference and shipment window |
| Reference material | Existing specification, COA, premix formula, stability data, approved sample or competitor grade |
Frequently asked questions
What is Thiamine Hydrochloride?
It is a hydrochloride salt of thiamin, the essential water-soluble nutrient known as vitamin B1.
What is it used for?
It is used for vitamin B1 enrichment and fortification in beverages, powders, cereals, grain products, supplements and other legally permitted nutrition products.
Does it have an E number?
It is generally regulated as a vitamin source rather than as a conventional E-number food additive.
What is its chemical formula?
The representative formula is C12H18Cl2N4OS, with an approximate molecular weight of 337.27 g/mol.
How much thiamin does it provide?
Pure anhydrous Thiamine Hydrochloride theoretically provides approximately 78.7% thiamin cation by mass before applying the commercial assay correction.
Is it the same as Thiamine Mononitrate?
No. Both provide vitamin B1, but Hydrochloride is generally more soluble and more hygroscopic, while Mononitrate is often preferred for dry flour and cereal premixes.
Is Thiamine Hydrochloride suitable for beverages?
Its high water solubility often makes it suitable. Final stability still depends on pH, sulfites, heat, minerals, preservatives, packaging and storage.
Can it be added directly to water?
It can normally be dissolved in water, but the concentration, water quality, mixing, pH and premix hold time should be validated.
Is it stable during pasteurization?
Some loss can occur. Measure vitamin B1 before and after the complete heat process and through the intended shelf life.
Is it stable in alkaline drinks?
Thiamin is generally less stable in neutral-to-alkaline aqueous systems, especially with heat. Product-specific stability testing is required.
Can it be used with sulfites?
Sulfites can degrade thiamin rapidly. Sulfite-containing products require a specific compatibility study.
Why is overage used?
A validated overage compensates for predictable process and storage losses so the finished product remains within its declared range.
Can pure powder be added directly to a large dry batch?
Direct low-dose addition can produce poor uniformity. A standardized dilution or geometric premix is normally more reliable.
How is finished-product thiamin measured?
Validated methods commonly use chromatographic or fluorescence analysis after controlled extraction and, where applicable, thiochrome derivatization.
Can it be used in infant formula?
Only when the form, purity, dosage and product category comply with the destination market’s special-nutrition rules.
How should the product be stored?
Store it tightly sealed in a cool, dry area protected from humidity, heat, direct light, sulfites and incompatible chemicals.
Which COA values are most important?
Review identity, assay, reporting basis, water, related substances, residue, elemental impurities and agreed physical parameters.
Can Global Food Additives compare an existing grade?
Yes. Buyers can provide a specification, COA, premix formula, stability requirement, approved sample or competitor grade for technical and commercial comparison.
Tell us the Thiamine Hydrochloride grade and potency you require.
Include the application, vitamin B1 target, potency basis, required standard, pH, process conditions, quantity, packaging, destination market and documentation requirements.
Existing specifications, COAs, liquid-premix formulas, stability data or approved samples can be described in your message. Our team will review the inquiry and respond from [email protected] .
Your technical inquiry has been received. You will be redirected to the home page.