VITAMIN B1
Chemical Name: | Vitamin B1 Nitrate; Vitamin B1 Mono; Thiamine nitrate |
CAS Number | 532-43-4 |
Molecular Formula | C12H17N4OS.NO3 |
Molecular Weight | 327.36 |
Molecular Structure |
|
Package | 25kg/drum |
Storage | Store in a cool, dry place, away from direct heat and light. |
Items | Specification |
Identfication | A: color reaction with ferrous sulfate; |
B: Precipitate reaction with lead acetate | |
C: Precipitate reactions with mercuric chloride, iodine, mercuric-potassium iodide and trinitrophenol respectively; | |
D:Fluorescence reaction with potassium ferricyanide | |
pH | 6.0-7.5 |
Loss on dry | ≤1.0% |
Residue on ignition | ≤0.2% |
Chloride | ≤0.06% |
Related compounds | ≤1.0% |
Residual solvent - Methanol | ≤0.3% |
Assay(on dry basis) | 98.0%~102.0% |
Standard | USP38 |