Merck
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W387520

Sigma-Aldrich

Methyl sulfoxide

≥99%, FG

Synonym(s):
Dimethyl sulfoxide, DMSO
Linear Formula:
(CH3)2SO
CAS Number:
Molecular Weight:
78.13
FEMA Number:
3875
Beilstein:
506008
EC Number:
MDL number:
PubChem Substance ID:
Flavis number:
12.175

biological source

synthetic

Quality Level

grade

FG
Halal

Agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 178/2002
FDA 21 CFR 172.859

vapor density

2.7 (vs air)

vapor pressure

0.42 mmHg ( 20 °C)

assay

≥99%

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.)

density

1.10 g/mL (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

fatty; garlic; mushroom; oily; cheesy

SMILES string

CS(C)=O

InChI

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

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

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Packaging

1 kg in poly bottle
10, 25 kg in poly drum

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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