Thiamine Hydrochloride (Vitamin B1)
Chemical Name | Thiamine hydrochloride |
CAS Number | 67-03-8 |
Molecular Formula | C12H17N4OS.ClH.Cl |
Molecular Weight | 337.27 |
Molecular Structure | |
Packing | 25kg/Carton |
Storage | Keep sealed and protected from light. Store in a cool, dry place. |
Application | Used as nutritional supplements or nutritional fortifiers. |
Items | Specification | |
Appearance | White or almost white ,crystalline powder or colourless crystals | |
Identification | A: Spectroscopic Identification Tests-infrared spectroscopy | Concordant with the reference spectrum |
B: Identification Tests-General Chloride | Conform to USP2021 | |
Limit of Nitrate | No brown ring is produced at the junction of the two layers | |
Absorbance of solution | ≤ 0.025 | |
pH | 2.7 ~ 3.4 | |
Water | ≤ 5.0% | |
Related Compounds | ≤ 1.0% | |
Residue on Ignition | ≤ 0.2% | |
Assay | 98.0% ~102.0% | |
Standard | USP2021 | |
