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Phthalic anhydride 1 highest quality,most competitive prices 2 relible credit,timely delivery 3 standard:GB/T15336-2006 Phthalic anhydride is an important organic chemical raw material which is mainly used to make plasticizer in plastic, alkyd resin, dye, unsaturated resin and some medicines or farm chemicals. molecular formula :C8H4O3 molecular weight :148.12 Item Index Top grade First grade Qualified product Appearance white scaly or crystalline powder white scaly or crystalline powder with slight colors molten Chroma(Chroma no. )a 20 50 100 thermostable Chroma(Chroma no. )a 50 150 - Chroma of vitriol(Chroma no. )a 60 100 150 crystallization pointA Ca Y 130.5 130.3 130.0 Purity(mass fraction)%a Y 99.50 99.50 99.00 Free acid(mass fraction)a % 0.20 0.30 0.50 Ash(mass fraction)%a 0.05 - -
Phthalic anhydride 1 highest quality,most competitive prices 2 relible credit,timely delivery 3 standard:GB/T15336-2006 Phthalic anhydride is an important organic chemical raw material which is mainly used to make plasticizer in plastic, alkyd resin, dye, unsaturated resin and some medicines or farm chemicals. molecular formula :C8H4O3 molecular weight :148.12 Item Index Top grade First grade Qualified product Appearance white scaly or crystalline powder white scaly or crystalline powder with slight colors molten Chroma(Chroma no. )a 20 50 100 thermostable Chroma(Chroma no. )a 50 150 - Chroma of vitriol(Chroma no. )a 60 100 150 crystallization pointA Ca Y 130.5 130.3 130.0 Purity(mass fraction)%a Y 99.50 99.50 99.00 Free acid(mass fraction)a % 0.20 0.30 0.50 Ash(mass fraction)%a 0.05 - -
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