
| Dimethyl sulphoxide customer specific 209K | |||
| 13620LK209 | 47539K617JY | ||
| Customer specific | 47539K6 | ||
| 67-68-5 | 116944 | ||
| C2H6OS | October 2025 | ||
| 78.13 | September 2030 | ||
| Sr.No. | Test | Result | Specification | Method Reference |
|---|---|---|---|---|
| 1 | Visual inspection | Clear colourless liquid. | Clear colourless liquid. | |
| 2 | 1H-NMR proton spectrum | Complies | Confirm. | |
| 3 | Assay by GC% w/w | 99.98% | 99.7% min. | |
| 4 | H2O content by KF | 780 ppm | 1000 ppm. | |
| 5 | Freezing point | 18.4degreeC | 18.2degreeC min. | |
| 6 | Color APHA DIN EN 1557 | Less than 10 APHA | 10 APHA | |
| 7 | Acid value, KOH mg/g | 0.03mg/KOH/g | 0.04mg/KOH/g max. |
| Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |