CASR |
: | 98-11-3 |
Molecular Formula |
: | C6H5SO3H |
Molecular Weight |
: | 158.18 |
| Specifications | |
|---|---|
| Description: | Off-white to white waxy crystalline solid. |
| Solubility: | Soluble in water & alcohol. |
| Identification by IR: | To comply the test |
| Melting point: | 59°C-61°C |
| Chloride (Cl): | Not more than 0.05% |
| Moisture: | 1.0% max |
| Assay(HPLC): | Min. 98.0% (Anhydrous basis) |
| Residue on ignition: | 0.1% max |
| Organic impurities; Diphenyl sulfone: | Not more than 2.0% |
| Organic impurities; Total impurities: | Not more than 2.0% |
| Iron (Fe): | 0.002% max |
| Arsenic (As): | 0.15ppm max |
| Lead (Pb): | 0.5ppm max |
| Mercury(Hg): | 0.15ppm max |
| Cadmium(Cd): | 0.2 ppm max |
| Total aerobic microbial count: | 100 cfu/gm max |
| Total combined yeast and molds count: | 10 cfu/gm max |
| E.coli: | Absent/gm |
| Salmonella: | Absent/10 gm |
| Staphylococcus aureus: | Absent/gm |
| Pseud. aeruginosa: | Absent/gm |
| Bile-tolerant gram negative bacteria: | Absent/gm |
| Bacterial endotoxins: | 2.5 EU/mg max |
| Cyclohexane as residual solvent: | 2000 ppm max |
| Residual solvent (ICH): | To Comply the test |
