Address £º | Room A-706, |
Wisdom Center, | |
No.10 Moonbay Road, | |
Industrial Park, | |
Suzhou, China | |
Tel£º | +86-512-6999-5251 |
Fax£º | +86-512-6999-5250 |
E-mail£º | info@yiko-chem.com |
Vitamins >> Vitamin B1(Hydrochloride)
Product Name: THIAMINE HYDROCHLORIDE
Specification:BP2015/USP38
Test Item | Specification |
Appearance | White or almost white crystalline powder or colourless crystals |
identification | 1)should be positive reaction 2)Consistent with reference IR spectra |
Appearance of solution | Clear ,not more intense than Y7 |
PH | 2.7~3.3 |
Sulphates | NMT300ppm |
Limit of nitrate | No brown ring |
Heavy metals | NMT20ppm |
Water | NMT5.0% |
Residue on ignition | NMT0.1% |
Absorbance of solution | NMT0.025 |
Residual Solvents | |
Methanol | NMT0.3% |
Ethanol | NMT0.5% |
Related substances(Disregard limit 0.05%) | |
Any impurity | NMT0.4% |
Total impurities | NMT1.0% |
Assay | 98.5~101.0% |
Address £º | Room A-706, |
Wisdom Center, | |
No.10 Moonbay Road, | |
Industrial Park, | |
Suzhou, China | |
Tel£º | +86-512-6999-5251 |
Fax£º | +86-512-6999-5250 |
E-mail£º | info@yiko-chem.com |