1,3-Isobenzofurandione,5-(1,1-dimethylethyl)- cas no:32703-79-0
Synonyms: Phthalicanhydride, 4-tert-butyl- (8CI); 4-tert-Butyl phthalic acid anhydride;4-tert-Butylphthalic anhydride; 5-tert-Butyl-1,3-isobenzofurandione
Name1,3-Isobenzofurandione,5-(1,1-dimethylethyl)-
CAS32703-79-0
SynonymsPhthalicanhydride, 4-tert-butyl- (8CI); 4-tert-Butyl phthalic acid anhydride;4-tert-Butylphthalic anhydride; 5-tert-Butyl-1,3-isobenzofurandione
EINECS(EC#)251-165-2
Molecular FormulaC12H12 O3
Molecular Weight204.2219
AppearanceWHITE TO OFF-WHITE POWDER, CRYSTALS,CRYSTALLINE POWDER AND/OR CHUNKS
refractive index1.551
Hazard Xi: Irritant;
Risk R36/37/38
Safety
Hazard Codes of 4-tert-Butylphthalic anhydride (CAS NO.32703-79-0): 
Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
WGK Germany: 3
