Dimethyl sulfoxide (DMSO)

Dimethyl sulfoxide:Colorless transparent liquid or crystal without odor or with light odor, low toxic. It is used for organic solvent, such as pesticide, dye, medicine intermediate, etc. chemical reaction accelerator, extractant, antifreeze raw material, synergistic agent of pesticide, fertiliaer and medicine.

Molecular formula:(CH₃)₂SO

English name code:DMSO

Technical requirements:GB/T21395-2008

Technical index:

Item	Index
	Premium grade	Firsts
Crystallization point°C ≥	18.10	18.00
Acid value(calculated KOH)(mg/g) ≤	0.03	0.04
Transmittancy (400nm) % ≥	96.0
Refractive index 20°C	1.4775～1.4790
Impurity mass fraction % ≤	0.10	0.15
Water mass fraction % ≤	0.10