CASR |
: | 67-68-5 |
Molecular Formula |
: | C2H6OS |
Molecular Weight |
: | 78.13 |
| Specifications | |
|---|---|
| Appearance/Description: | A colorless liquid |
| Solubility: | Miscible with water, ethanol and ether, insoluble in alkane |
| Identification (By IR): | IR spectra of the sample should be concomitant with IR spectra of standard |
| Identification (By chemical test 1): | A deep violet, crystalline solid should obtain which should be soluble in chloroform, yielding a red solution. |
| Identification (By chemical test 2): | The colour changes to green or bluish- green. Cool. The colour changes to greenish yellow. |
| Specific gravity, 25°C: | Between 1.095 to 1.101 |
| Relative density, 20°C: | 1.100 - 1.104 |
| Refractive index (20°C ± 0.5°C): | 1.478 - 1.480 |
| Refractive index, 25°C: | 1.4755 - 1.4775 |
| Freezing point: | NLT 18.3°C |
| Acidity: | Not more than 5.0 ml of 0.01N sodium hydroxide should consume |
| Water (By KF): | NMT 0.1% |
| UV absorbance profile (10mm cell)@270nm-350nm: | The spectrum is smooth with no absorption maxima |
| UV absorbance ratio (A285nm/A275nm): | NMT 0.65 |
| UV absorbance ratio (A295nm/A275nm): | NMT 0.45 |
| UV absorbance profile (10mm cell)@275nm: | NMT 0.20 |
| UV absorbance profile (10mm cell)@285nm: | NMT 0.20 |
| UV absorbance profile (10mm cell)@295nm: | NMT 0.20 |
| Substance darkened by potassium hydroxide: | The absorbance of the solution at 350nm, not more than 0.023 |
| Limit of Non-volatile residue: | NMT 0.01% |
| Related compounds / Related substances – Dimethyl sulfone: | NMT 0.10% |
| Related compunds / Related substances - Total impurities: | NMT 0.1% |
| Assay (Anhydrous basis): | NLT 99.9% |
| Total aerobic microbial count: | NMT 1000 CFU/ml |
| Total combined yeast and mould count: | NMT 100 CFU/ml |
| Bacterial endotoxin: | NMT 2.5 EU/ml |
