Skip to Content
MilliporeSigma
All Photos(1)

Documents

5.89569

Sigma-Aldrich

Dimethyl sulfoxide

≥99.9%, anhydrous

Synonym(s):

DMSO

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
(CH3)2SO
CAS Number:
67-68-5
Molecular Weight:
78.13
Beilstein:
506008
MDL number:
MFCD00002089
UNSPSC Code:
12352119
NACRES:
NA.22

grade

anhydrous

Quality Level

200

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

Assay

≥99.9%

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

solubility

H2O: miscible (completely)

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

Looking for similar products? Visit Product Comparison Guide

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.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

188.6 °F - closed cup

Flash Point(C)

87 °C - closed cup

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service