Phthalic Anhydride (PA) GB/T15336－94 CAS NO. 85-44-9 Formula C8H4O3 Molecular weight 148.12 HS 2917350000 UN 2214 HZ 8.1 Package grade 053 Package 25kg/bag

Appearance:  White slice or Crystalline powder

Usage : manufacturing plasticizers, resins, paints, pharmaceuticals, dyes intermediates

Phthalic anhydride is one of the most important organic chemical raw material, one of its main derivatives are dibutyl phthalate, dioctyl ester and 2 iso-butyl, etc. It can use as a PVC plasticizer; can also be used to produce poly-unsaturated ester resins, alkyd resins, dyes and pigments, a variety of paints, food additives, medicine and phenolphthalein in laxatives, pesticide parathion in the imine, such as bentazon, and saccharin sodium.