Skip to Content
Merck
CN
All Photos(1)

Documents

900645

Sigma-Aldrich

Dimethyl sulfoxide

anhydrous, ZerO2®, ≥99.9%

Synonym(s):

Degassed and low oxygen dimethyl sulfoxide, Dimethyl sulfoxide ZerO2®, 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
EC Number:
200-664-3
MDL number:
MFCD00002089
UNSPSC Code:
12191502
NACRES:
NA.21

grade

ZerO2®

Quality Level

100

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

Assay

≥99.9%

form

liquid

autoignition temp.

573 °F

quality

anhydrous

expl. lim.

42 %, 63 °F

impurities

≤0.005% 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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

ZerO2 products are rigorously degassed with highly pure inert gas providing solvents and solutions (anhydrous if specified) with very low residual oxygen content.

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

ZerO2 is a registered trademark of Sigma-Aldrich Co. LLC

WGK

WGK 1

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Sorry, we don't have COAs for this product available online at this time.

If you need assistance, please contact Customer Support.

Already Own This Product?

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

Visit the Document Library

Articles

AISF: A Solid Alternative to Sulfuryl Fluoride Gas

ASIF provides bench-stable alternative to sulfuryl fluoride gas for installing SO2F functional group in organic synthesis.

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