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67779

Methanethiol

purum

Synonym(s):

Mercaptan C1, Methyl mercaptan

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About This Item

Linear Formula:
CH3SH
CAS Number:
74-93-1
Molecular Weight:
48.11
EC Number:
200-822-1
UNSPSC Code:
12352100
PubChem Substance ID:
329760678
Beilstein/REAXYS Number:
1696840
MDL number:
MFCD00004866
Assay:
≥99.0%
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vapor density

1.66 (vs air)

vapor pressure

1536 mmHg ( 20 °C)

grade

purum

assay

≥99.0%

expl. lim.

21.8 %

bp

6 °C (lit.)

mp

−123 °C (lit.)

storage temp.

2-8°C

SMILES string

CS

InChI

1S/CH4S/c1-2/h2H,1H3

InChI key

LSDPWZHWYPCBBB-UHFFFAOYSA-N

Packaging

pressure tin with 100 mL (net ~87 g)

Other Notes

Sales restrictions may apply

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signalword

Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Gas 1A - Press. Gas Liquefied gas

Storage Class

2A - Gases

wgk

WGK 3

flash_point_f

-0.4 °F - closed cup

flash_point_c

-18 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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