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Sigma-Aldrich

Dimethyl sulfoxide

≥99.6%, ReagentPlus®

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Synonym(s):
DMSO
Linear Formula:
(CH3)2SO
CAS Number:
67-68-5
Molecular Weight:
78.13
Beilstein:
506008
EC Number:
200-664-3
MDL number:
MFCD00002089
PubChem Substance ID:
329757292
NACRES:
NA.21

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

product line

ReagentPlus®

Assay

≥99.6%

form

liquid

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

impurities

≤0.10% water
water

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

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Caution

Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

Legal Information

Product of Arkema Inc.
ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

188.6 °F - closed cup

Flash Point(C)

87 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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