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Thiamine hydrochloride (Vitamin B1 HCl, aneurine hydrochloride, CAS 67-03-8) is the most widely used commercial form of Vitamin B1, an essential water-soluble vitamin required for carbohydrate metabolism and nerve function. It serves as the API in Vitamin B1 tablets and injectables, the fortificant in flour, cereals, energy drinks, and infant formula, and a standard vitamin additive in animal-feed premixes. Royalchem Spain supplies USP/EP/FCC-compliant material at 98.0–102.0% assay as a white crystalline powder, delivered from our Valladolid distribution hub in 25 kg drums or cartons.
| Assay (dried basis) | 98.0–102.0% |
| Appearance | White crystalline powder |
| Water Content (KF) | ≤ 5.0% |
| Molecular Weight | 337.27 g/mol |
| pH (1% solution, 25 °C) | 2.7–3.4 |
| Melting Point | ≈ 248 °C (decomposes) |
| Solubility | Freely soluble in water (≈ 1 g/mL) |
The API for Vitamin B1 tablets, multivitamin capsules, injectable solutions (including treatment of B1 deficiency and Wernicke-Korsakoff syndrome), parenteral nutrition, and sports, cognitive-health, and wellness supplement formulations.
A nutrient fortificant for flour, cereals, rice, and bakery products, and a Vitamin B1 source in energy drinks, infant formula, and functional foods — preferred for its high water solubility and stability in dry, low-pH formulations.
A standard vitamin additive in poultry, swine, and ruminant feed premixes, aquaculture nutrition, and pet food, supporting growth, feed conversion, and nervous-system health in intensive animal production.
Standard Packaging:
25 kg fibre drums or cartons with double PE liner — or to customer requirement. Distributed by Royalchem Spain from our Valladolid hub. Shelf life 36 months in original sealed packaging.
Storage Conditions:
Store in tightly sealed containers in a cool, dry, well-ventilated area, protected from light, moisture, and heat — thiamine is sensitive to humidity, alkaline conditions, and prolonged heat, which degrade potency. Reseal opened containers promptly and avoid contact with oxidising agents.