Description
Application:
Used for aromatic extraction, resin and dye reaction medium, acrylic fiber polymerization, spinning solvent, etc.
Can be used as organic solvent, reaction medium and organic synthesis intermediate.
Used as analytical reagent and gas chromatography stationary liquid, also used as a solvent in ultraviolet spectroscopy analysis.
Specification:
| CERTIFICATE OF ANALYSIS | |||
| Commodity | Dimethyl sulfoxide | Standard | GBT21395-2008 |
| Batch number | 20210701 | Inspection date | 2021.07.01 |
|
Items |
Index |
Result |
|
| Superior Grade | |||
| Appearance | Colorless transparent liquid | Match the norm | |
| Purity, % | ≥99.9 | 99.93 | |
| Crystallizing point ℃ | ≥18.2 | >18.2 | |
| Acid number, mg/g (caiculated by KOH) | ≤ 0.03 | <0.03 | |
| Transmittance(400nm), % | ≥96 | >96 | |
| Refractive index(20℃) | 1.4778~1.4790 | 1.4779 | |
| Moisture, % | ≤0.05 | <0.05 | |
| PH value | 6~8 | 7.0 | |
| Test Conclusion | Superior-grade | ||
- Package:230kg* 80 drums,18.4ton, FCL;
