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Dimethyl sulfoxide

Name: Dimethyl sulfoxide
Brand: SIGALD

puriss. p.a., dried, ≤0.02% water

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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:

329755094

NACRES:

NA.21

vapor density

2.7 (vs air)

Quality Level

100

vapor pressure

0.42 mmHg ( 20 °C)

grade

puriss. p.a.

Assay

≥99.9% (GC)

form

liquid

autoignition temp.

573 °F

quality

dried

expl. lim.

42 %, 63 °F

impurities

≤0.0001% heavy metals (as Pb)
≤0.001% free acid (as H₂SO₄)
≤0.002% non-volatile matter
≤0.02% water
≤0.03% water (Karl Fischer)

refractive index

n20/D 1.479 (lit.)

bp

189 °C (lit.)

mp

16-19 °C (lit.)

density

1.10 g/mL (lit.)

cation traces

Fe: ≤1 mg/kg

SMILES string

CS(C)=O

InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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General description

Dimethyl sulfoxide (DMSO) is a polar solvent. DMSO activated by various electrophiles (oxalyl chloride) has been used to oxidize various alcohols (primary, secondary, allylic, benzylic, hindered and bicyclic). Carbonyl compounds are formed as reaction products. It has been proposed as an alternate solvent for methyl cellosolve for use in ninhydrin reaction, due to its high stability.

Application

Dimethyl sulfoxide (DMSO) has been used as a solvent in the high-throughput compound screening studies conducted on Mtb (Mycobacterium tuberculosis) H37Rv host cells.

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.

Other Notes

For information on dimethyl sulfoxide miscibility, please visit the following link:
Dimethyl Sulfoxide Miscibility/Immiscibility Table

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

188.6 °F - closed cup

Flash Point(C)

87 °C - closed cup

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A microscopic phenotypic assay for the quantification of intracellular mycobacteria adapted for high-throughput/high-content screening.

Christophe J Queval et al.

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Oxidation of alcohols by ?activated? dimethyl sulfoxide. A preparative, steric and mechanistic study.

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Amino acid analysis: aqueous dimethyl sulfoxide as solvent for the ninhydrin reaction.

S Moore

The Journal of biological chemistry, 243(23), 6281-6283 (1968-12-10)

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S HAKOMORI

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