Sell Phthalic anhydride

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Product: Phthalic anhydride
Appearance: White flake or crystalline powder
Molecular formula: C8H4O3
Molecular weight:148.12
CAS No. : 85-44-9
Use: Phthalic anhydride is an important organic chemical raw materials, mainly used in the production of plastic plasticizers, alkyd resins, dyes, unsaturated resin and certain medicines and pesticides.
Packing: 25kg/bag or requirement.
Melting chromaticity (chroma No. ) <= 100
Heat-stable chrominance (chroma No. ) <= 150
Crystallization point of >= 0 130.0
Purity% >= 99.5
Content of free acid <=% 0.5
Water-soluble: insoluble in cold water, soluble in water, ethanol, ether, benzene, such as most organic solvents.