Mesyl anhydride

Modify Date: 2024-01-02 09:39:52

Mesyl anhydride Structure
Mesyl anhydride structure
Common Name Mesyl anhydride
CAS Number 7143-01-3 Molecular Weight 174.196
Density 1.6±0.1 g/cm3 Boiling Point 289.3±9.0 °C at 760 mmHg
Molecular Formula C2H6O5S2 Melting Point 64-67 °C(lit.)
MSDS Chinese USA Flash Point 128.7±18.7 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name Methanesulfonic anhydride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.6±0.1 g/cm3
Boiling Point 289.3±9.0 °C at 760 mmHg
Melting Point 64-67 °C(lit.)
Molecular Formula C2H6O5S2
Molecular Weight 174.196
Flash Point 128.7±18.7 °C
Exact Mass 173.965668
PSA 94.27000
LogP -0.93
Vapour density 3.3 (vs air)
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.470

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Supplemental HS Reacts violently with water.
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;
Risk Phrases R14;R35
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 8
HS Code 2904909090

 Synthetic Route

 Customs

HS Code 2904909090
Summary HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Articles2

More Articles
"Greener" Friedel-Crafts acylations: a metal- and halogen-free methodology.

Org. Lett. 13(9) , 2232-5, (2011)

The utility of methanesulfonic anhydride for promoting the Friedel-Crafts acylation reaction of aryl and alkyl carboxylic acids is disclosed. This reagent allows the preparation of aryl ketones in goo...

Study of regioselective methanesulfonylation of simple aromatics with methanesulfonic anhydride in the presence of zeolite catalysts.

Org. Biomol. Chem. 2(21) , 3150-4, (2004)

Regioselective methanesulfonylation of simple aromatics using methanesulfonic anhydride can be achieved over zeolite catalysts. For example, methanesulfonylation of toluene over various cation-exchang...

 Synonyms

methanesulfonyl methanesulfonate
MFCD00007556
Methanesulfonic acid, anhydride
Mesyl anhydride
Methanesulfonic anhydride
methanesulphonic anhydride
methylsulfonyl methanesulfonate
Methanesulfonic acid anhydride; Mesyl anhydride; Methanesulfonyl anhydride
EINECS 230-442-1
Methanesulfonic anhydrid
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