Mesyl anhydride
Suppliers
Names
[ CAS No. ]:
7143-01-3
[ Name ]:
Mesyl anhydride
[Synonym ]:
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
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
MSDS
Safety Information
[ Symbol ]:
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
Precursor & DownStream
Precursor
DownStream
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%
Articles
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...
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...