64270
Methanesulfonyl chloride
purum, ≥98.0% (AT)
Synonym(s):
Methyl sulfonyl chloride, Mesyl chloride
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About This Item
Linear Formula:
CH3SO2Cl
CAS Number:
Molecular Weight:
114.55
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
EC Number:
204-706-1
Beilstein/REAXYS Number:
506297
MDL number:
Assay:
≥98.0% (AT)
grade
purum
Quality Level
assay
≥98.0% (AT)
refractive index
n20/D 1.452
bp
60 °C/21 mmHg (lit.)
density
1.48 g/mL at 25 °C (lit.)
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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signalword
Danger
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
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
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Methanesulfonyl Chloride.
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2007)
Methanesulfonyl Chloride.
e-EROS Encyclopedia of Reagents for Organic Synthesis (2007)
Water-solvent method for tosylation and mesylation of primary alcohols promoted by KOH and catalytic amines.
Morita J I
Green Chemistry, 7(10), 711-715 (2005)