DMSO

Product Introduction

Dimethyl sulfoxide (DMSO) is a sulfur-containing organic compound, the molecular formula is C2H6OS, at room temperature is colorless odorless transparent liquid, is a hygrometric flammable liquid. With high polarity, high boiling point, good thermal stability, aprotic, and water miscible characteristics, can dissolve in ethanol, propanol, benzene and chloroform and other most organic matter, known as ‘universal solvent’.

Content	Specification	Result	Conclusion	Methods
Dimethyl sulfoxide content wt%≥	99.9	99.9664	OK	Gas chromatography
Impurity，% ≤	0.10	0.0111	OK	Gas chromatography
Gas chromatography，℃ ≥	18.10	18.40	OK	CB/T7533—1993
Acid number (K0H),mg/g ≤	0.03	0.01	OK	CB/9736—2008
Luminosity(400m),% ≥	96.0	100.10	OK	CB/T9721—2006
The weight fraction of water% ≤	0.10	0.013	OK	CB/T6283—2008
Desity (25℃),g/cm³	1.1±0.1	1.100	OK	CB/T4472—2011
PH	6-8	7	OK	CB/T9724-2007