maleic anhydride: 
Appearance: White flake or briquettes of crystal 
CAS No.: 108-31-6 
MF: C4H2O3 
EINECS No.: 203-571-6

maleic anhydride:

Appearance: White flake or briquettes of crystal

CAS No.: 108-31-6
MF: C4H2O3
EINECS No.: 203-571-6