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Dimethyl sulfoxide

A highly polar organic liquid, that is used widely as a chemical solvent. Because of its ability to penetrate biological membranes, it is used as a vehicle for topical application of pharmaceuticals. It is also used to protect tissue during cryopreservation. Dimethyl sulfoxide shows a range of pharmacological activity including analgesia and anti-inflammation.

Name Dimethyl sulfoxide1), DMSO
MeSH 68004121
CAS67-68-5
Molecular Weight 78.1344 g/mol
Molecular Formula C2H6OS
XLogP-0.7
d1.1004 g/cm³
m.p.18.5 ºC
b.p.189 ºC
Viscosity1.996 cP (20 ºC)
pKa35
Dipole moment3.96 D

PubChem image 679

1)
methylsulfinylmethane