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Alfa Aesar™ Isobutyric anhydride, 97%

$15.51 - $15.51

Chemical Identifiers

Chemical Name or Material Isobutyric anhydride
CAS 97-72-3
Molecular Formula [(CH3)2CHCO]2O
Formula Weight 158.2
MDL Number MFCD00008913
UN Number UN2922
Beilstein 386267
Synonym 2-Methylpropionic anhydride
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Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAL13240AE

  SDS
alfa aesar™
L13240AE
100mL Each for $15.51

AAL132400F

  SDS
alfa aesar™
L132400F
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

  SDS
alfa aesar™
L13240AP
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

Formula Weight 158.2
Quantity 100mL
Melting Point −56°C
CAS 97-72-3
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.
Molecular Formula [(CH3)2CHCO]2O
Odor Pungent
DOT Information Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUIDS, TOXIC, N.O.S.
Assay 97%
Flash Point 67°C (152°F)
Chemical Name or Material Isobutyric anhydride
MDL Number MFCD00008913
Synonym 2-Methylpropionic anhydride
Beilstein 386267
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.
TSCA TSCA
Health Hazard 1 Danger
Boiling Point 182°C
UN Number UN2922

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.