Phthalic Anhydride

Phthalic Anhydride

Phthalic Anhydride

We, Hir Primak Enterprise, are engaged in importing, exporting and supplying with excellent quality of Phthalic anhydride which is the organic compound with the formula C6H4(CO)2O. It is the anhydride of phthalic acid. Phthalic anhydride is a principal commercial form of phthalic acid.

Specification: CAS No. 85-44-9

PROPERTY TEST METHOD SPECIFICATION GUARANTEED
Physical Appearance Visual Snow White Free Flowing Flakes
Colour of molten material (APHA Max) ASTM-D-3366-P5 20 max
Solidification Point (0C) ASTM-D-6875-12 130.8
Purity as C8H4O3 % by wt. by GC WI / QCL / 043 99.8 % min
Maleic Anhydride & other Impurities(C4H2O3 % wt.) WI / QCL / 043 0.05 wt % max
Free Acidity 0.05 wt%

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Uses:

Phthalic anhydride (PA) is used to manufacture plasticizers, pigments, dyes and resins.

PA is used in the manufacture of unsaturated polyester resins (UPR) that are usually blended with glass fibers to produce fiberglass-reinforced plastics.

PA-based alkyd resins are used in paints and lacquers that go in to architectural, machinery, furniture, and fixture applications.

PA is also used by pigments and dyes industry.

PA is used in the manufacture of products like herbicides, insecticides, insect repellents, fire retardants, polyester polyols, rubber scorch inhibitors, etc.

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