Phthalysulfathiazole
CAS NO. 85-73-4 HS No.2935009090 |
| Popular Name: |
PST |
| Chemical Name: |
4(-thiazolyl-2-yl Sulphamoyl) phthalanilic acid |
| Structure Formula: |
 |
| Molecular Formula: |
C17H13N3O5S2 403.4 |
| Specifications: |
EPⅴ,BPV2000, CPV2000 |
| Packing: |
25Kg/drum |
| Storage: |
kept in well-closed containers and away from light. |
| Applications: |
sulfa drug, used to treat the infection caused by sensitive bacteria |
Items |
CPV2000 |
EPⅴ/BPV2000 |
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% |
/ |
|
