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1 Kilogram |
Negotiable |
Carbazochrome sodium sulfonate CARBAZOCHROME SODIUM SULFONATE Carbazochrome sodium
CP/USP/EP standard
Characters |
Orange yellow crystalline powder, odorless,should be soluble in water, slightly soluble in water, insoluble in ethanol and chloroform |
Melting point |
213℃~220℃ |
Absorption coefficient |
836~888 |
Identification |
|
Clarity of solution |
Clear |
Water |
13.0%~16.0% |
Adrenobazone |
The color of the impurities in the test sample shall not be deeper than the main spot of the control solution |
Related substances |
Carbazochrome ≤2.0% Individual impurity (except Carbazochrome)≤0.5% Total impurity≤1.0% |
Acetone |
≤0.5% |
Heavy metals |
≤20ppm |
Microbial limit |
Conforms |
Assay |
≥98.5% (C10H11N4O5SNa on dried basis) |
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