Tradex Corporation


Phthalic Anhydride

Description :

Phthalic Anhydride is a colorless solid organic compound which is a very important industrial chemical used in the production of plasticizers for plastics. It’s a chemical intermediate used in pharmaceutical industry also.

Application :

Plasticizers , Copper Phthalocyanine Blue (CPC), Unsaturated Polyester Resin (UPR), Alkyd Resin, Polyester Resin, Paints, Phthalimide, Anthranilic Acid, Dyes Intermediate.

Packing :

25 Kg Bag Packing

Specifications :
No. Properties Method No. Unit Max/Min Specification
1 Physical Appearance Snow white free flowing flakes
2 Colour of molten material ASTM D-3366-95 Reapproved2003 APHA Max 20
3 Colour of molten material at 250 oC for 90 minutes ASTM D-3366-95 Reapproved2003 APHA Max 60
4 Solidification point ASTM D-6875-08 °C Min 130.80
5 Purity as C8H4O ( by GC ) WI/QCL/043 % wt Min 99.80
6 Maleic Anhydride & other oxidisable impurities WI/QCL/043 % wt Max 0.05
7 Ash Content ASTM D-5347-95 Reapproved2006 ppm Max 50*
8 Iron Content WI/QCL/031 ppm Max 2*
* Specification if customer desires.