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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:
124-63-0
Molecular Weight:
114.55
UNSPSC Code:
12352101
NACRES:
NA.22
PubChem Substance ID:
329759947
EC Number:
204-706-1
Beilstein/REAXYS Number:
506297
MDL number:
MFCD00007454
Assay:
≥98.0% (AT)

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InChI

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

InChI key

QARBMVPHQWIHKH-UHFFFAOYSA-N

SMILES string

CS(Cl)(=O)=O

grade

purum

assay

≥98.0% (AT)

Quality Level

200

refractive index

n20/D 1.452

bp

60 °C/21 mmHg (lit.)

density

1.48 g/mL at 25 °C (lit.)

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1 of 4

This Item
471259234435299693
Methanesulfonyl chloride purum, ≥98.0% (AT)

Sigma-Aldrich

64270

Methanesulfonyl chloride

Methanesulfonyl chloride ≥99.7%

Sigma-Aldrich

471259

Methanesulfonyl chloride

(2-Chloroethyl)trimethylammonium chloride 98%

Sigma-Aldrich

234435

(2-Chloroethyl)trimethylammonium chloride

Azelaic acid dichloride 98%

Sigma-Aldrich

299693

Azelaic acid dichloride

assay

≥98.0% (AT)

assay

≥99.7%

assay

98%

assay

98%

Quality Level

200

Quality Level

200

Quality Level

100

Quality Level

200

bp

60 °C/21 mmHg (lit.)

bp

60 °C/21 mmHg (lit.)

bp

-

bp

166 °C/18 mmHg (lit.)

refractive index

n20/D 1.452 (lit.)

refractive index

n20/D 1.452 (lit.)

refractive index

-

refractive index

n20/D 1.467 (lit.)

density

1.48 g/mL at 25 °C (lit.)

density

1.48 g/mL at 25 °C (lit.)

density

-

density

1.143 g/mL at 25 °C (lit.)

grade

purum

grade

-

grade

-

grade

-

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.

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN2002
BCCK5020
BCCH9393
BCCG5285
BCCD8076

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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)
Base-free monosulfonylation of amines using tosyl or mesyl chloride in water
Kamal A
Tetrahedron Letters, 49(2), 348-353 (2008)
E A Connor et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 3(11), 2164-2171 (1983-11-01)
Excitatory postsynaptic currents (EPSCs), miniature excitatory postsynaptic currents (MEPSCs), and acetylcholine-induced current fluctuations (noise) have been studied in voltage-clamped bullfrog parasympathetic ganglion cells of the atrial septum. EPSCs were also recorded from voltage-clamped sympathetic B cells and, in general, it
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