1.useage: for polyester resins.plasticizer 2. Purity: 99.5% 3.Package:25kg/bag 4.delivery time:within 7 days 5.high quality

Properties:

white flake or white powder.Slightly soluble in cold water, ethyl ether, easily soluble in  benzene, ethanol, acetic acid.

Application:

Manufacturing plasticizer, resin, paint, medicine, dye intermediates.

Phthalic anhydride is widely used in industry for the production of certain dyes. A well-known application of this reactivity is the preparation of the anthroquinone dye quinizarin by reaction with para-chlorophenol followed by hydrolysis of the chloride. 

Packing:25kg/bag. 

Many other kinds of industrial chemicals like this are offered, would you contract me if you interested .any of your feedback will be highly appreciated.

for polyester resins 85-44-9 Phthalic Anhydride PA okeyou