Methanesulphonic anhydride, 97%

Name: Methanesulphonic anhydride, 97%
Brand: Vaqora Chemicals
SKU: VQ-010893

About Methanesulphonic anhydride, 97%

Vaqora Chemicals supplies Methanesulphonic anhydride, an organosulfur compound registered under CAS number 7143-01-3 at a purity of 97%. The compound has the formula C2H6O5S2, corresponding to a molecular weight of 174.2 g/mol. The IUPAC name is methylsulfonyl methanesulfonate. Alternative names: Methanesulfonic anhydride and methanesulfonyl methanesulfonate.

The material typically appears as powder or crystals. Reported physical data include a melting point of 64-67 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

It is commonly used for oxidation reactions and organic synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 100 g and 1 kg packs, Methanesulphonic anhydride is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Oxidation reactions
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methanesulphonic anhydride, 97%
Catalogue No.	VQ-010893
CAS Number	7143-01-3
IUPAC name	methylsulfonyl methanesulfonate
Molecular formula	C₂H₆O₅S₂
Molecular weight	174.2 g/mol
Exact mass	173.9657
Purity / assay	97%
HSN code	29335990
InChIKey	IZDROVVXIHRYMH-UHFFFAOYSA-N
SMILES	CS(=O)(=O)OS(=O)(=O)C
PubChem CID	81560

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals
Melting point	64-67 °C
LogP (XLogP3)	-0.8
H-bond donors / acceptors	0 / 5
TPSA	94.3 Å²
Synonyms	Methanesulfonic anhydride, methanesulfonyl methanesulfonate, Methanesulfonic acid, 1,1'-anhydride, Methanesulfonic acid, anhydride, Mesyl anhydride, Mesic anhydride, methanesulfonicanhydride, methylsulfonic anhydride, methane sulfonic acid anhydride, Ms2O, methansulfonic anhydride, di-methanesulfonyl ether

Safety & hazard information (GHS)

Corrosive

Signal word: Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements: P260, P264, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P363, P405, P501

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 Methanesulphonic anhydride, 97%?

The CAS Registry Number of Methanesulphonic anhydride, 97% is 7143-01-3. It is also known as Methanesulfonic anhydride, methanesulfonyl methanesulfonate, Methanesulfonic acid, 1,1'-anhydride.

What is the molecular formula and molecular weight of Methanesulphonic anhydride, 97%?

Methanesulphonic anhydride, 97% has the molecular formula C2H6O5S2 and a molecular weight of 174.2 g/mol. Its IUPAC name is methylsulfonyl methanesulfonate.

Which grade and pack sizes of Methanesulphonic anhydride, 97% can I order?

We supply Methanesulphonic anhydride, 97% in (97%) grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methanesulphonic anhydride, 97%?

Yes. Every lot of Methanesulphonic anhydride, 97% 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 Methanesulphonic anhydride, 97% be shipped internationally?

Yes. Methanesulphonic anhydride, 97% is classified as hazardous, 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.