
| Dimethyl sulphoxide extrapure 500ML | |||
| 10620LM500 | 657030211CZ | ||
| Extrapure | 6570302 | ||
| 67-68-5 | 118377 | ||
| C2H6OS | March 2026 | ||
| 78.13 | February 2031 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Description | Clear colourless liquid. | Clear colourless liquid. | |
| 2 | Solubility | Complies | Soluble in water. | |
| 3 | Assay (GC) | 99.97% | min. 99.00% | |
| 4 | Boiling point(95%) | 190 deg C | 189 - 193 deg C | |
| 5 | Refractive index | 1.479 | 1.478 - 1.479 | |
| 6 | Free acid(as CH3COOH) | 0.005% | 0.01% max. | |
| 7 | Substances discoloured by sulphuric acid(H2SO4) | Complies | Passes test | |
| 8 | Water | 0.02% | 0.20% max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |