Tetrachlorophthalic Anhydride (TCPA)

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molecular formula：C8CL4O3 CAS：117-08-8 molecular weight：258.9 Application:Tetrachlorophthalic Anhydride is used as a flame retardant in epoxy resin, plastics, paper and textiles. It is also used as an intermediate to produce pharmaceuticals, dyes, plasticizers, and other organic compounds.
Specification: Purity: 99% min Hexachlorobenzene: 1000ppm max Iron content: 10ppm max melting point: 255-257 free chlorine: 10ppm max free acid: 0.5% max Alkali insolubie: 0.5% max drying loss: 0.5%max chroma: ( in xylene: 50max; in methanol: 150 max)
Grade:fine grade, Superior grade.
Packing:Lining plastic woven bag,?net weight?25kg.
Capacity: 5000mt per year.

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