MilliporeSigma
All Photos(1)

Documents

5.89569

Sigma-Aldrich

Dimethyl sulfoxide

anhydrous, ≥99.9%

Sign Into View Organizational & Contract Pricing

Synonym(s):
DMSO
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein/REAXYS Number:
506008
MDL number:

grade

anhydrous

Quality Level

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

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
3494341639D2438
vibrant-m

5.89569

Dimethyl sulfoxide

-
vibrant-m

34943

Dimethyl sulfoxide

-
vibrant-m

41639

Dimethyl sulfoxide

Premium Grade
vibrant-m

D2438

Dimethyl sulfoxide

-
assay

≥99.9%

assay

≥99.9% (GC)

assay

≥99.5% (GC)

assay

-

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

400

solubility

H2O: miscible (completely)

solubility

-

solubility

H2O: miscible (completely)

solubility

H2O: miscible (completely)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

vapor density

2.7 (vs air)

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

expl. lim.

42 %, 63 °F

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

10 - Combustible liquids

wgk_germany

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?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

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