Methane sulphonyl chloride, 99%+

Name: Methane sulphonyl chloride, 99%+
Brand: Vaqora Chemicals
SKU: VQ-000892

About Methane sulphonyl chloride, 99%+

Methane sulphonyl chloride (CAS 124-63-0) is a synthetic reagent offered by Vaqora Chemicals (Puriss grade) at a purity of ≥99%. Its molecular formula is CH3ClO2S and its molecular weight is 114.55 g/mol. Its systematic (IUPAC) name is methanesulfonyl chloride. Common synonyms include Mesyl chloride and Methanesulphonyl chloride.

In its supplied form it is a colourless to light yellow liquid. Reported physical data include a density of 1.48 g/mL at 25 °C. Keep containers tightly closed in a cool, well-ventilated area away from heat and ignition sources. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Key uses span organic synthesis, reaction development, medicinal chemistry and fine chemical synthesis. It is used across academic and industrial research.

Available in 100 mL, 500 mL and 250 kg packs, Methane sulphonyl chloride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methane sulphonyl chloride, 99%+
Catalogue No.	VQ-000892
CAS Number	124-63-0
IUPAC name	methanesulfonyl chloride
Molecular formula	CH₃ClO₂S
Molecular weight	114.55 g/mol
Exact mass	113.9542
Grade	Puriss
Purity / assay	≥99%
HSN code	29049990
InChIKey	QARBMVPHQWIHKH-UHFFFAOYSA-N
SMILES	CS(=O)(=O)Cl
PubChem CID	31297

Physical properties
Physical form	Liquid
Appearance	Colourless to light yellow liquid
Density	1.48 g/mL at 25 °C
LogP (XLogP3)	0.4
H-bond donors / acceptors	0 / 2
TPSA	42.5 Å²
UN number	UN 3246
Synonyms	Mesyl chloride, Methanesulphonyl chloride, Methyl sulfochloride, Chloro methyl sulfone, Methanesulfonic acid chloride, Methanesulfuryl chloride, Methyl sulfonyl chloride, Chloromethyl sulfone, Mesylchloride, methane sulfonylchloride, CH3SO2Cl, CH3ClO2S

Safety & hazard information (GHS)

Corrosive

Toxic

Harmful / irritant

Signal word: Danger

Hazard statements

H290May be corrosive to metals
H300Fatal if swallowed
H301+H311Toxic if swallowed or in contact with skin
H301Toxic if swallowed
H302Harmful if swallowed
H311Toxic in contact with skin
H312Harmful in contact with skin
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage
H330Fatal if inhaled
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P234, P260, P261, P262, P264, P264 + P265, P270, P271, P272, P273, P280, P284, P301 + P316, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P319, P320, P321

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methane sulphonyl chloride, 99%+?

The CAS Registry Number of Methane sulphonyl chloride, 99%+ is 124-63-0. It is also known as Mesyl chloride, Methanesulphonyl chloride, Methyl sulfochloride.

What is the molecular formula and molecular weight of Methane sulphonyl chloride, 99%+?

Methane sulphonyl chloride, 99%+ has the molecular formula CH3ClO2S and a molecular weight of 114.55 g/mol. Its IUPAC name is methanesulfonyl chloride.

Which grade and pack sizes of Methane sulphonyl chloride, 99%+ can I order?

We supply Methane sulphonyl chloride, 99%+ in Puriss (≥99%) grade, in 100 mL, 500 mL, 250 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methane sulphonyl chloride, 99%+?

Yes. Every lot of Methane sulphonyl chloride, 99%+ is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Methane sulphonyl chloride, 99%+ be shipped internationally?

Yes. Methane sulphonyl chloride, 99%+ is classified as hazardous (UN 3246), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.