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274380

Dimethyl sulfide

anhydrous, ≥99.0%

Synonym(s):

DMS, Methyl sulfide

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About This Item

Linear Formula:
(CH3)2S
CAS Number:
75-18-3
Molecular Weight:
62.13
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
57648244
EC Number:
200-846-2
Beilstein/REAXYS Number:
1696847
MDL number:
MFCD00008562
Assay:
≥99.0%
Grade:
anhydrous
Bp:
38 °C (lit.)
Vapor pressure:
26.24 psi ( 55 °C), 7.79 psi ( 20 °C)
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grade

anhydrous

Quality Segment

100

vapor density

2.1 (vs air)

vapor pressure

26.24 psi ( 55 °C), 7.79 psi ( 20 °C)

assay

≥99.0%

form

liquid

autoignition temp.

402 °F

expl. lim.

19.7 %

impurities

<0.003% water, <0.005% water (100 mL pkg)

evapn. residue

<0.0005%

refractive index

n20/D 1.435 (lit.)

bp

38 °C (lit.)

mp

−98 °C (lit.)

solubility

H2O: soluble 7.28 g/L at 20 °C

density

0.846 g/mL at 25 °C (lit.)

SMILES string

CSC

InChI

1S/C2H6S/c1-3-2/h1-2H3

InChI key

QMMFVYPAHWMCMS-UHFFFAOYSA-N

Gene Information

rat ... Maoa(29253), Maob(25750)

General description

Dimethyl sulfide is the major biogenic, volatile sulfur compound that is released from the ocean to the atmosphere. It plays a main role in the global sulfur cycle.

Application

Dimethyl sulfide undergoes thiolation reaction with hydrogen sulfide (H2S) in the presence of tungsten-zirconia (WO3/ZrO2) catalyst to form methanethiol.

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pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-32.8 °F - closed cup

flash_point_c

-36 °C - closed cup

ppe

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