Thiamine CAS NO.59-43-8

Vitamin B1 Hydrochloride occurs as white, fine crystals or crystalline powder. It is odorless or has a slight, characteristic odor. 

 

 Appearance:                                       White or almost white crystalline powder

 Clarity and color of solution:               Should be clear and colorless

 Color of solution:                             No more than solution Y7 or GY7

 PH:                                             2.7 °C 3.3

 Sulfates:                                      300 ppm max

 Nitrates:                                          None

 Heavy metals:                                  20 ppm max

 Absorbance of solution:                     0.025 max

 Chromatographic purity:                          1% max

 Loss on drying:                               5.0% max

 Residue on ignition:                          0.10% max.