Phthalysulfathiazole [ 85-73-4 ]
Appearance |
White or yellowish-white crystalline powder | |
Identification |
Comply with |
Comply with |
Appearance of solution |
/ |
≤BY5 |
Acidity |
≤1.0ml |
≤0.2ml |
Sulfathiazole and other primary aromatic amines |
Comply with |
Comply with |
Heavy metals |
≤0.002% |
≤20ppm |
Loss on drying |
≤2.0 % |
≤2 % |
Residue on ignition / Sulfated ash |
≤0.1% |
≤0.1% |
Assay |
≥99.0% |
98.5%~101.5% |
Chloride |
≤0.014% |
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