269190

Methanesulfonic anhydride

97%

• Sinónimos: Mesyl anhydride, Mesylic anhydride, Methanesulfonyl anhydride, Methylsulfonyl methanesulfonate
• Fórmula lineal: (CH₃SO₂)₂O
• Número de CAS: 7143-01-3
• Peso molecular: 174.20
• Beilstein/REAXYS Number: 972316
• EC Number: 230-442-1
• MDL number: MFCD00007556
• UNSPSC Code: 12352100
• PubChem Substance ID: 24856315
• NACRES: NA.22

Propiedades

• vapor density: 3.3 (vs air)
• Quality Level: 200
• assay: 97%
• form: solid
• bp: 125 °C/4 mmHg (lit.)
• mp: 64-67 °C (lit.)
• SMILES string: CS(=O)(=O)OS(C)(=O)=O
• InChI: 1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
• InChI key: IZDROVVXIHRYMH-UHFFFAOYSA-N

Descripción

General description

Methanesulfonic anhydride is an organic compound that is commonly used as a reagent for the preparation of methyl sulfonates (mesylates). It is also used in the synthesis of methanesulfonamides using various amine precursors. Additionally, the mixture of methanesulfonic anhydride and dimethyl sulfoxide can be used as an oxidizing agent for the oxidation of primary and secondary alcohols to aldehydes and ketones.

Información de seguridad

• pictograms: GHS05
• signalword: Danger
• hcodes: H314
• pcodes: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Skin Corr. 1A
• supp_hazards: EUH014
• Storage Class: 8A - Combustible corrosive hazardous materials
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges