Customization: | Available |
---|---|
Powder: | Yes |
Customized: | Customized |
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Items |
Specification |
Result |
Appearance |
Yellow crystalline powder |
Yellow crystalline powder |
Solubility |
Practically insoluble in water,freely soluble in m'ethylene chloride,soluble in ethanol(96per cent).It dissolves in dilute acetic acid. |
Conforms |
Melting point |
182 ~ 186 |
183.5 ~ 185.5 |
Related substances |
Impurity A NMT 0.1% |
0.01% |
Impurity B NMT 0.2% |
0.03% |
|
Impurity C NMT 0.3% |
0.04% |
|
Impurity D NMT 0.2% |
0.02% |
|
Unspecified impurity NMT 0.1% |
0.01% |
|
Total impurity NMT 0.6% |
0.1% |
|
Heavy metals |
NMT0.002% |
NMT0.001% |
Loss on drying |
NMT 0.5% |
0.03% |
Sulfate ash |
NMT 0.1% |
0.02% |
Assay |
99.0 ~ 101.0% |
99.9% |