Dimethyl sulfoxide is an important non-proton polar solvent that is both soluble in water and soluble in organic solvents.It is widely used as solvent and reaction reagent, with high selective extraction ability.
1. Used for the reaction medium of aromatic extraction, resin and dye, acrylic polymerization, solvent of drawing silk, etc.
2. Organic solvent, reaction medium and organic synthesis intermediate.
3. Used as analytical reagent and gas chromatographic stationary liquid, and also used as solvent in the analysis of ultraviolet spectra.
4. Antifreeze.
CERTIFICATE OF ANALYSIS | |||
Commodity | Dimethyl sulfoxide | Standard | GBT21395-2008 |
Batch number | 20230701 | Inspection date | 2023.07.01 |
Items |
Index |
Result |
|
Superior Grade | |||
Appearance | Colorless transparent liquid | Match the norm | |
Purity, % | ≥99.9 | 99.93 | |
Crystallizing point ºC | ≥18.2 | >18.2 | |
Acid number , mg/g (caiculated by KOH) | ≤ 0.03 | <0.03 | |
Transmittance(400nm) , % | ≥96 | >96 | |
Refractive index(20 ºC ) | 1.4778~1.4790 | 1.4779 | |
Moisture , % | ≤0.05 | <0.05 | |
PH value | 6~8 | 7.0 | |
Test Conclusion |
Superior-grade |
Packaging | · 1kg/aluminium foil bag, with two plastic bags inside. | Delivery | ≤50kg, Express delivery recommended, usually called as DDU service; |
· 25kg/fiber drum, with two plastic bags inside. | ≤500kg,Air shipping recommended, usually called as CIF service; | ||
Size · 42cm*H52cm,0.08m3/drum. | >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service; For high value products, please select air shipping and express delivery for safety. |
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