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  6. Methanesulfonyl chloride, 98%, Thermo Scientific Chemicals

Methanesulfonyl chloride, 98%, Thermo Scientific Chemicals

Product Code. 11660212
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Quantity:
100 g
500 g

Description

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.
TRUSTED_SUSTAINABILITY

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

compliance-icons compliance-icons
Product Identifier
  • Methanesulfonyl chloride
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 1
  • Acute toxicity Category 3
  • Serious eye damage/eye irritation Category 1
  • Substances and mixtures corrosive to metals Category 1
  • Skin corrosion/irritation Category 1 B
  • Skin sensitiser Category 1
  • Specific target organ toxicity Category 3
 Hazard Statement
  • H290-May be corrosive to metals.
  • H301-Toxic if swallowed.
  • H311-Toxic in contact with skin.
  • H314-Causes severe skin burns and eye damage.
  • H317-May cause an allergic skin reaction.
  • H318-Causes serious eye damage.
  • H330-Fatal if inhaled.
  • H335-May cause respiratory irritation.
 Precautionary Statement
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P330+P331-IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
  • P303+P361+P353-IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower.
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P310-Immediately call a POISON CENTER/doctor/.
 Supplemental information
  • MIXTURE LIST-Contains : Methanesulfonyl chloride

RUO – Research Use Only

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