Please login to your online account to display your discounted pricing

Alfa Aesar™ Isobutyric anhydride, 97%

$27.46 - $27.46

Chemical Identifiers

Chemical Name or Material Isobutyric anhydride
CAS 97-72-3
Molecular Formula [(CH3)2CHCO]2O
Formula Weight 158.20g/mol
MDL Number MFCD00008913
UN Number UN2922
Beilstein 386267
Synonym 2-Methylpropionic anhydride
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL13240AE

 
alfa aesar™
L13240-AE
100mL Each for $27.46

AAL132400F

 
alfa aesar™
L13240-0F
2500mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.

AAL13240AP

 
alfa aesar™
L13240-AP
500mL CALL N/A N/A
 Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.
Description & Specifications

Specifications

Odor Pungent
Boiling Point 182°C
Melting Point −56°C
Flash Point 67°C (152°F)
Quantity 100mL
Chemical Name or Material Isobutyric anhydride
CAS 97-72-3
Assay 97%
Molecular Formula [(CH3)2CHCO]2O
Formula Weight 158.20g/mol
MDL Number MFCD00008913
UN Number UN2922
Beilstein 386267
Synonym 2-Methylpropionic anhydride
Health Hazard 1 Danger
Health Hazard 2 GHS H Statement
H314-H318-H302-H312-H227
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
Harmful in contact with skin.
Combustible liquid.
Health Hazard 3 GHS P Statement
P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUIDS, TOXIC, N.O.S.
TSCA TSCA

Applications
Isobutyric anhydride is used in the preparation of 4-O-isobutyryl derivative by reacting with octyl beta-D-glucopyranoside using C2-symmetric chiral 4-pyrrolidinopyridine as a catalyst. It acts as a starting material for esters like sucrose acetate isobutyrate, dyes and agrochemicals. It finds application as fragrance intermediate and flavorings.

Solubility
Miscible with water and ether.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents and strong bases.

Safety and Handling

Danger

GHS P Statement
P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a
Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
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.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H314-H318-H302-H312-H227
Causes severe skin burns and eye damage.
Causes serious eye damage.
Harmful if swallowed.
Harmful in contact with skin.
Combustible liquid.