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Alfa Aesar™ Methanesulfonic anhydride, 98%

Chemical Identifiers

CAS 7143-01-3
Molecular Formula C2H6O5S2
Formula Weight 174.2
MDL Number MFCD00007556
UN Number UN3261
Beilstein 972316
Synonym Mesic anhydride
Chemical Name or Material Methanesulfonic anhydride
View More Specs


Products ${productFamilyLength}
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAA1332809 SDS Alfa Aesar™
A1332809
10g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1332814 SDS Alfa Aesar™
A1332814
25g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1332830 SDS Alfa Aesar™
A1332830
250g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
AAA1332818 SDS Alfa Aesar™
A1332818
50g N/A N/A  
Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Specifications

Description

Applications
Methanesulfonic anhydride is used to prepare methylsulfonyl esters called as mesylates. It finds application in the reaction of aromatic alkylation. It reacts with dimethylsulfoxide to get sulfoxonium complex, which is a useful oxidizing agent.

Solubility
Soluble in organic solvents.

Notes
Moisture sensitive. Hygroscopic. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents.
Description & Specifications

Chemical Identifiers

7143-01-3
174.2
UN3261
Mesic anhydride
C2H6O5S2
MFCD00007556
972316
Methanesulfonic anhydride

Specifications

7143-01-3
174.2
UN3261
Mesic anhydride
125°C (4mmHg)
Methanesulfonic anhydride
C2H6O5S2
MFCD00007556
972316
65° to 69°C
10g
98%

Safety and Handling

GHS H Statement
H314-H318
Causes severe skin burns and eye damage.
Causes serious eye damage.

GHS P Statement
P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
Do not breathe dust/fume/gas/mist/vapors/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.

Danger

DOTInformation : Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE SOLID, ACIDIC, ORGANIC, N.O.S.

TSCA : TSCA