CAS : 97-72-3
UN# : UN2922
MDL : MFCD00008913
Hazard Class : 8
EINECS : 202-603-6
Packing Group : II
Other name :
2-Methylpropionic anhydride
Chemical Properties
Formula : [(CH3)2CHCO]2O
Formula weight : 158.20
Melting Point : -56°
Boiling Point : 182°
Flash point : 67°(152°F)
Density : 0.954
Refractive Index : 1.4060
Sensitivity : Moisture Sensitive. Store under Nitrogen. Ambient temperatures.
Form : Liquid
Solubility : Miscible with water and ether.
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.
Grade Specifications
GHS Hazard and Precautionary Statements
Hazard Statements : H301-H311-H314-H318-H227Toxic if swallowed.Toxic in contact with skin.Causes severe skin burns and eye damage.Causes serious eye damage.Combustible liquid.
Precautionary Statements : P210-P301+P310-P303+P361+P353-P305+P351+P338-P361-P405-P501aKeep away from heat/sparks/open flames/hot surfaces. – No smoking.IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.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.Remove/Take off immediately all contaminated clothing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.
Other References :
Beilstein : 386267
UN# : UN2922
Pakage | 100ml, 2500ml, 500ml |
---|---|
brand | Alfa Aesar |