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Key Documents

D4540

Sigma-Aldrich

Dimethyl sulfoxide

≥99.5% (GC), suitable for plant cell culture

Synonym(s):

DMSO

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About This Item

Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
Beilstein:
506008
EC Number:
MDL number:
UNSPSC Code:
12191502
PubChem Substance ID:
NACRES:
NA.71

vapor density

2.7 (vs air)

Quality Level

vapor pressure

0.42 mmHg ( 20 °C)

Assay

≥99.5% (GC)

form

liquid

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

technique(s)

cell culture | plant: suitable
cryopreservation: suitable

impurities

<0.1% water (Karl Fischer)

color

colorless

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

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Application

Dimethyl sulfoxide has been used:
  • in the preparation of bisphenol A (BPA)
  • in cell proliferation assay (MTT assay)
  • in chemosensitivity assay
  • as the vehicle control in all experiments like apoptosis assay
  • in ethoxyresorufin-O-deethylation (EROD) assay

Biochem/physiol Actions

DMSO (dimethyl sulfoxide), an organic solvent possesses several pharmaceutical activities such as analgesic, diuretic, bacteriostatic, membrane-penetrant, anti-inflammatory, vasodilatory and cholinesterase inhibitory effects. It is a by-product of the lumber industry and used as an industrial solvent. DMSO also serves as a therapeutic agent to treat interstitial cystitis and arthritis.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

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