CASR |
: | 98-11-3 |
Molecular Formula |
: | C6H5SO3H |
Molecular Weight |
: | 158.18 |
| Specifications | |
|---|---|
| Description: | White to off-white or light brownish crystals/powder or lumps. It is hydroscopic. |
| Solubility: | Soluble in water & alcohol. |
| Identification by IR: | IR spectra of the sample should be concomitant with IR spectra of the standard. |
| Chloride (Cl): | NMT 0.05% |
| Moisture: | NMT 2.0% |
| Assay (By Titration): | NLT 98.0% on anhydrous Basis |
| Residue on ignition: | NMT 0.1% |
| Purity (By HPLC): | NLT 98.0% |
| Organic impurities; Diphenyl sulfone: | NMT 2.0% |
| Organic impurities; Total impurities: | NMT 2.0% |
| Cyclohexane as residual solvent: | NMT 2000 ppm |
| Total aerobic microbial count: | NMT 100 CFU/gm |
| Total combined yeast and molds count: | NMT 10 CFU/gm |
| E.coli: | should be absent/gm |
| Salmonella: | should be absent/10 gm |
| Staphylococcus aureus: | should be absent/gm |
| Pseud. aeruginosa: | should be absent/gm |
| Bile-tolerant gram negative bacteria: | should be absent/gm |
| Bacterial endotoxins: | NMT 2.5 EU/mg |
