PYROMELLITIC DIANHYDRIDE

SYNONYM: PMDA; 1,2,3,5-BENZENETETRACARBOXYLIC ANHYDRIDE

FORMULA: C₁₀H₂O₆

M. W.: 218.12

CAS NO.: 89-32-7

DESCRIPTION: IT IS WHITE OR SLIGHTLY YELLOW-GREEN CRYSTALLINE, CAN BE EASILY DISSOLVED IN DIMETHYL SULFOXIDE, DIMETHYLFORMAMIDE, ACETONE, METHYL ISOBUTYL KETONE, ACETIC ETHER, BUT NOT DISSOLVED IN CHLOROFORM, DIETHYL ETHER AND BENZENE. WHEN IT IS PLACED IN MOIST AIR, MOISTURE WOULD BE QUICKLY ABSORBED AND HYDROLYZED INTO 1,2,4,5-BENZENETETRACARBOXYLIC ACID.

SPECIFICATIONS:

USES: IT IS USED AS THE RAW MATERIALS FOR POLYIMIDE CURE FOR EPOXY RESIN, DELUSTERING AGENT AND CROSS-LINKING AGENT FOR ALKYD RESIN.

PACKING: PACKED IN 20KG CARTON OR 120KG HARDBOARD DRUM.

H.S. NO.: 2917.3900