A13328

Methanesulfonic anhydride, 98%

CAS Number 7143-01-3 Synonyms
  • Mesic anhydride

 
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Methanesulfonic anhydride, 98%

MDL: MFCD00007556
EINECS: 230-442-1

Chemical Properties

Formula: C2H6O5S2  Boiling point: 125°/4mm
Formula weight: 174.20  Sensitivity: Moisture Sensitive
Melting point: 65-69° 

Literature References

More powerful sulfonylating reagent than the sulfonyl chloride, also avoiding possible displacement of sulfonate by halide. With a catalytic amount of the acid effects mesylation of deactivated aromatics such as 1,3-dichlorobenzene: Chem. Lett., 395 (1988); mesyl chloride is ineffective.

Primary and secondary alcohols may be oxidized to carbonyl compounds by sulfonic anhydrides in DMSO: J. Org. Chem., 39, 1977 (1974). For related methods, see Dimethyl­ sulfoxide, A13280.

GHS Hazard and Precautionary Statements

Hazard Statements : H314-H318

Causes severe skin burns and eye damage. Causes serious eye damage.

Precautionary Statements : P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Corrosive

Other References

Beilstein: 972316
UN#: UN3261
Hazard Class: 8
Packing Group: II
Harmonized Tariff Code: 2904.10
TSCA: Yes
Methanesulfonic anhydride, 98% - CAS 7143-01-3 - Formula C2H6O5S2

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