C13H13N3O4
| TESTITEMS | ACCEPTANCE CRITERIA |
| Appearance | White orslightlyyellowish crystalline powder or flakes |
Identification Melting point(℃) UV IR Reaction of primary aromatic amins |
99~102 The sohution shows anabsorption maximumat 232nnnand 275nm.The spccific absorption at the 232nmis 525 to 575. The sample spectrum complies with that of the reference standard spectnim. The samplesolution gives the reactionof primary aromatic |
| Appcarance of solution | The sohution is not moreopalescent than reference suspensions IⅡ The sohution is not more intensely coloured than rcference sohutionGY3 |
| Acidity(ml) | ≤0.25 |
| Related Substances impurityA Impurity B impurity C Any other impurity,% Total Impurities,% |
≤0.1 ≤0.1 ≤0.1 ≤0.1 ≤0.2 |
| Lossondiying(%) | ≤0.5 |
| Sulplated ash(%) | ≤0.1 |
| Assay (calculated on the dried substance).% |
98.5~101.0 |
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