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471259

Methanesulfonyl chloride

≥99.7%

Synonym(s):

Methyl sulfonyl chloride, Mesyl chloride

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About This Item

Linear Formula:
CH3SO2Cl
CAS Number:
124-63-0
Molecular Weight:
114.55
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
24870710
EC Number:
204-706-1
Beilstein/REAXYS Number:
506297
MDL number:
MFCD00007454
Assay:
≥99.7%
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Quality Segment

200

assay

≥99.7%

reaction suitability

reactivity: alcohol reactive, reactivity: amine reactive, reagent type: protection reagent

refractive index

n20/D 1.452 (lit.)

bp

60 °C/21 mmHg (lit.)

density

1.48 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CS(Cl)(=O)=O

InChI

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

InChI key

QARBMVPHQWIHKH-UHFFFAOYSA-N

Application

Methanesulfonyl chloride can be used for the mesylation of primary alcohols to synthesize the corresponding methanesulfonates. It may also be used for the conversion of amines to the corresponding sulfonamides.

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pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

signalword

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

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

wgk

WGK 2

flash_point_f

215.6 °F - closed cup

flash_point_c

102 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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