Merck
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8.06021

Sigma-Aldrich

Methanesulfonyl chloride

for synthesis

Synonym(s):
Methanesulfonyl chloride, Methanesulfonyl chloride, Mesyl chloride
CAS Number:
Molecular Weight:
114.55
MDL number:
EC Index Number:
204-706-1

vapor pressure

2.79 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

435 °C

potency

205-317 mg/kg LD50, oral (Rat)
200-2000 mg/kg LD50, skin (Rabbit)

mp

-32 °C

transition temp

flash point 102 °C

density

1.478 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/CH3ClO2S/c1-5(2,3)4/h1H3

InChI key

QARBMVPHQWIHKH-UHFFFAOYSA-N

General description

for synthesis

Application

Methanesulfonyl chloride for synthesis. CAS 124-63-0, EC Number 204-706-1, chemical formula CH₃SO₂Cl.

Analysis Note

Assay (GC, area%)≥ 99.0 % (a/a)Density (d 20 °C/ 4 °C)1.473 - 1.476Identity (IR)passes test

Pictograms

CorrosionSkull and crossbones

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

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