9001-66-5 Purity
96%
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Specification
PubChem CID 6811.
The molecular formula is C8H4O3.
The molecular weight is 148.11 g/mol.
Some synonyms include PHTHALIC ANHYDRIDE, Isobenzofuran-1,3-dione, and 1,3-Isobenzofurandione.
Phthalic anhydride appears as a colorless to white lustrous solid in the form of needles with a mild distinctive odor. It has a melting point of 64 °F and a flashpoint of 305 °F.
Phthalic anhydride has a role as an allergen and is used in the manufacture of materials such as artificial resins.
Acute effects include irritation to the eyes, respiratory tract, and skin, but no permanent injury is observed.
Chronic effects observed in workers include conjunctivitis, rhinitis, rhinoconjunctivitis, bronchitis, and irritation of the skin and mucous membranes of the respiratory tract.
No studies are available on the reproductive, developmental, or carcinogenic effects of phthalic anhydride in humans.
The EPA has not classified phthalic anhydride for carcinogenicity.