Pyridoxine HCl CAS No 58-56-0
| item |
specification |
result |
| appearance |
A white or almost white crystalline powder |
almost white crystalline powder |
| identification |
(1)should be positive reaction |
positive reaction |
| (2)consistent with the reference IR spectra |
consistent with the reference IR spectra |
| PH |
2.4-3.0 |
2.7 |
| appearance of solution |
clear,not more intense than Y7 |
clear,not more intense than Y7 |
| melting point |
About205.0ºC |
205.5ºC |
| heavy metals |
NMT20ppm |
<20ppm |
| loss on drying |
NMT0.5% |
0.14% |
| sulfated ash |
NMT0.1% |
0.06% |
| chloride content |
16.9-17.6% |
17.2% |
| residual solvent |
| ethanol |
NMT0.3% |
<0.3% |
| related substances |
| impurity B |
NMT0.15% |
0.01% |
| unspecified impurities |
NMT0.1% |
0.01% |
| total impurities |
NMT0.2 |
0.03 |
| assay |
99.0%-101.0% |
99.6 |
BP2020,USP42,USP41
For customer reference only
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