Dimethyl sulphoxide AR DRY SOLVENT 500ML | |||
20621LM500 | 410692129GW | ||
AR Dry Solvent | 4106921 | ||
67-68-5 | 96539 | ||
C2H6OS | July 2023 | ||
78.13 | June 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Description | Clear colourless liquid | Clear colourless liquid. |
2 | Assay (GC) | 99.97% | min. 99.00% |
3 | Boiling point(95%) | 190°C | 189 - 193 deg C |
4 | Refractive index | 1.478 | 1.478 - 1.479 |
5 | Free acid(as CH3COOH) | 0.005% | 0.01% max. |
6 | Substances discoloured by sulphuric acid(H2SO4) | Complies | Passes test |
7 | Water | 0.05% | 0.20% max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |