Phthalic anhydride, the anhydride form of phthalic acid , is produced by the oxidation of orthoxylene and naphthalene. Its wide application is based on the ortho related carboxylic acid groups as their dehydration is highly reactive with broad processing conditions to produce various downstream products.
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Additional Information
CAS number
85-44-9
Chemical nature
C6H4(CO)2O
Applications
to make simple esters widely used as plasticizers
making unsaturated polyester resins
alkyd resins
polyester polyols
dyes and pigments
halogenated anhydrides
polyetherimide resins
isatoic anhydride and insect repellents.es
Specifications
PropertyValueUnit
Appearance Properties
Physical state
پرک های سفید رنگ
(Apha/(Co,Pt)/Hazon) Color<20MOLTEN
(Apha/(Co,Pt)/Hazon) Color<40molten matrial after heat treatment
