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% |
/ |