V800164
Dimethyl sulfoxide
AR, ≥99.5%
Synonym(s):
DMSO
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About This Item
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
EC Number:
200-664-3
UNSPSC Code:
12191502
PubChem Substance ID:
Beilstein/REAXYS Number:
506008
MDL number:
Assay:
≥99.5%
Grade:
AR
Bp:
189 °C (lit.)
Vapor pressure:
0.42 mmHg ( 20 °C)
grade
AR
vapor density
2.7 (vs air)
vapor pressure
0.42 mmHg ( 20 °C)
product line
Vetec™
assay
≥99.5%
form
liquid
autoignition temp.
573 °F
expl. lim.
42 %, 63 °F
dilution
(for analytical testing)
refractive index
n20/D 1.479 (lit.)
bp
189 °C (lit.)
mp
16-19 °C (lit.)
density
1.10 g/mL (lit.)
SMILES string
CS(C)=O
InChI
1S/C2H6OS/c1-4(2)3/h1-2H3
InChI key
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
General description
Dimethyl sulfoxide (DMSO) is a high-boiling polar aprotic solvent and mild oxidant used in organic synthesis. DMSO can also act as a one-carbon synthon in organic chemistry. It is a source of -Me, -SMe, -SO2Me functional groups. It is also used as a versatile reagent in Pfitzner-Moffatt oxidation, Swern oxidation, and Corey-Chaykovsky reaction.
Legal Information
Vetec is a trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.
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Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
188.6 °F - closed cup
flash_point_c
87 °C - closed cup
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