Dimethyl sulfoxide
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99.5% Liaoning 230kg/drum
Product name: Dimethyl sulfoxide, DMSO
Simple structure: (CH3)2-S-O
Product name: Dimethyl sulfoxide
Alias: Methyl sulfoxide; Sulfinylbis (methane); DMSO; Me2SO
Molecular formula: C2H6OS
Molecular weight: 78.12
CAS No.: 67-68-5
1． Properties: Colorless viscous transparent oily liquid or crystal. Weak alkaline, almost odorless, slight bitter taste.
2． Density (g/mL, and 20/4οC): 1.100
3． Relative vapor density (g/mL, air=1): 2.7
4． Melting point (οC): 18.45
5． Boiling point (οC, atmospheric pressure): 189
6． Refractive index (25οC): 1.4795
7． Viscosity (mPa·s,25οC): 1.1
8． Flash point (οC, open cup): 95
9． Ignition point (οC): 300~302
10．Heat of vaporization (KJ/mol, and 25οC): 52.92
11．Heat of fusion (KJ/mol): 13.94
DMSO is used as extraction solvent in aromatic extraction.
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