CAS No: 7143-01-3, Chemical Name: Methanesulfonic anhydride
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7143-01-3 Methanesulfonic anhydride

product Name Methanesulfonic anhydride
Synonyms 230-442-1; methylsulfonyl methanesulfonate
Molecular Formula C2H6O5S2
Molecular Weight 174.196
InChI InChI=1/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
CAS Registry Number 7143-01-3
EINECS 230-442-1
Molecular Structure 7143-01-3 Methanesulfonic anhydride
Density 1.583g/cm3
Melting point 64-67℃
Boiling point 289.3°C at 760 mmHg
Refractive index 1.469
Flash point 128.7°C
Vapour Pressur 0.00386mmHg at 25°C
Hazard Symbols  C:Corrosive;
Risk Codes R14:;
Safety Description S26:;