CAS 73-31-4
Formula:cas 73-31-4 MSDS USP27
Quantity:99.20% MIN
|
Test Items |
Specification |
Results |
|
Appearance |
White or pale-white crystalline powder |
White crystalline powder |
|
Clarity and degree
of opalescence of liquids |
1%ethanol and chloroform
Solution |
Conforms |
|
Particle size |
100-120mesh |
200mesh |
|
Identification |
Positive |
Positive |
|
Loss on drying |
0.10% MAX |
0.05% |
|
Sulphated ash |
0.1% MAX |
0.005% |
|
Heavy metal |
20 PPM MAX |
7PPM |
|
Melting point |
117-120 degree |
118.5 degree |
|
Relationed substances
Single impurity |
1.00% max
0.50%max |
0.37%
0.12% |
|
Single impurity |
0.10% |
0.06% |
|
Assay (TLC) |
98.00%-102.00% |
99.50% |
|
Assay (HPLC) |
98.00%-102.00% |
99.35% |
Storage: store in well-closed container protected from light
Conclusion Conforms with JP14 standard,USP30
| 
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