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Merck
CN

64260

Methanesulfonyl chloride

puriss., ≥99.0% (AT)

Synonym(s):

Mesyl chloride

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About This Item

Linear Formula:
CH3SO2Cl
CAS Number:
124-63-0
Molecular Weight:
114.55
EC Number:
204-706-1
UNSPSC Code:
12352101
PubChem Substance ID:
329759945
Beilstein/REAXYS Number:
506297
MDL number:
MFCD00007454

Key Documents

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InChI key

QARBMVPHQWIHKH-UHFFFAOYSA-N

InChI

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

SMILES string

CS(Cl)(=O)=O

grade

puriss.

assay

≥99.0% (AT)

bp

60 °C/21 mmHg (lit.)

density

1.48 g/mL at 25 °C (lit.)

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pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

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

Regulatory Information

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Maurizio Tamba et al.
Journal of the American Chemical Society, 129(28), 8716-8723 (2007-06-22)
The one-electron reduction of methanesulfonyl chloride (MeSO2Cl) leads, in the first instance, to an electron adduct MeSO2Cl(.)(-) which lives long enough for direct detection and decays into sulfonyl radicals MeSO2(.) and Cl(-), with k = 1.5 x 10(6) s(-1). Both
Gas-liquid chromatographic determination of residues of methiocarb and its toxic metabolites with the flame photometric detector after derivatization with methanesulfonyl chloride.
J C Maitlen
Journal of agricultural and food chemistry, 29(2), 260-264 (1981-03-01)
P Sipi et al.
Mutation research, 390(1-2), 105-112 (1997-04-24)
The genotoxicity of effluents collected from a conventional 5-stage softwood kraft pulp bleaching process was studied in Chinese hamster ovary (CHO) cells in vitro. Spent liquor from the first chlorination stage (C/D), where elemental chlorine and chlorine dioxide had been
Yasuhiro Torisawa et al.
Bioorganic & medicinal chemistry letters, 17(2), 448-452 (2006-10-28)
Continuing search for beneficial additive toward the Beckmann rearrangement (BR) of indanone oxime has revealed that common Lewis acid catalyst in methanesulfonyl chloride (MsCl) showed increasing efficiency in this ionic rearrangement. The new protocol with MsCl is superior to the
R Kullberg et al.
The Journal of physiology, 374, 413-427 (1986-05-01)
The development of miniature end-plate currents (m.e.p.c.s) was studied in the superior oblique and interhyoideus muscles of Xenopus laevis. An analysis of m.e.p.c. decays shows that each muscle possesses its own characteristic programme of end-plate current development. In the superior
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