64270

Methanesulfonyl chloride

purum, ≥98.0% (AT)

• Synonym(s): Methyl sulfonyl chloride, Mesyl chloride
• 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)

Properties

• grade: purum
• Quality Segment: 200
• assay: ≥98.0% (AT)
• reaction suitability: reactivity: alcohol reactive, reactivity: amine reactive, reagent type: protection reagent
• 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

Description

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.

Safety Information

• Pictograms: GHS06,GHS05
• Signal Word: Danger
• Precautionary Statements: P234 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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 (personal protective equipment): Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
• Hazard Codes: H290,H301 + H311,H314,H317,H330,H335
• 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