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Methanesulfonyl chloride, 98%

Catalog No. AAA1338322
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Catalog No. Quantity
AAA1338322 100 g
AAA1338336 500 g
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Catalog No. AAA1338322

Supplier: Thermo Scientific Chemicals A1338322

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Description

CAS: 124-63-0 | CH3ClO2S | 114.54 g/mol

Methanesulfonyl chloride is used as a reagent for conversion of alcohols to mesylate esters such as methanesulfonate, which is an intermediate in substitution reactions, elimination reactions, reductions, and rearrangement reactions viz. Beckmann rearrangement. It is an electrophile and acts as a source of CH3SO2+ group. It is also used to prepare beta-chloro sulfones, methanesulfonamide and heterocyclic compounds containing five membered sultones.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Methanesulfonyl chloride is used as a reagent for conversion of alcohols to mesylate esters such as methanesulfonate, which is an intermediate in substitution reactions, elimination reactions, reductions, and rearrangement reactions viz. Beckmann rearrangement. It is an electrophile and acts as a source of CH3SO2+ group. It is also used to prepare beta-chloro sulfones, methanesulfonamide and heterocyclic compounds containing five membered sultones.

Solubility
Miscible with alcohol, ether and organic solvents. Immiscible with water.

Notes
Moisture sensitive. Store in a cool place. Incompatible with strong bases, oxidizing agents and alcohols. It is a lachrymator and reacts with water.

Chemical Identifiers

CAS 124-63-0
Molecular Formula CH3ClO2S
Molecular Weight (g/mol) 114.54
MDL Number MFCD00007454
InChI Key QARBMVPHQWIHKH-UHFFFAOYSA-N
Synonym mesyl chloride, methylsulfonyl chloride, methyl sulfochloride, methanesulphonyl chloride, chloro methyl sulfone, methanesulfuryl chloride, methanesulfonic acid chloride, methyl sulfonyl chloride, chloromethyl sulfone, mesylchloride
PubChem CID 31297
IUPAC Name methanesulfonyl chloride
SMILES CS(Cl)(=O)=O

Specifications

Melting Point °C to 33°C
Density 1.477
Boiling Point 161°C
Flash Point 97°C (206°F)
Assay Percent Range 98%
Refractive Index 1.452
Quantity 100 g
UN Number UN3246
Beilstein 506297
Sensitivity Moisture sensitive
Merck Index 14,5955
Solubility Information Miscible with alcohol,ether and organic solvents. Immiscible with water.
Formula Weight 114.55
Percent Purity 98%
Physical Form Liquid
Chemical Name or Material Methanesulfonyl Chloride
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Safety and Handling

Hazard Category H290-H301+H311-H314-H317-H330-H335
Hazard Statement GHS H Statement
H300-H310-H330-H314-H318
Precautionary Statement P234-P260-P264b-P270-P271-P272-P280-P284-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P333+P313-P363-P390-P501c
DOTInformation Transport Hazard Class: 6.1; Packing Group: I; Proper Shipping Name: METHANESULFONYL CHLORIDE
EINECSNumber 204-706-1
RTECSNumber PB2790000
TSCA Yes
storageNote1 Moisture Sensitive
Recommended Storage Ambient temperatures

RUO – Research Use Only