White crystalline needles with a mild odor. Phthalic anhydride is used in the manufacture of dyes, alkyd resins, polyester resins, insecticides and many phthalate plasticizers. It is also used to make some fluorescent dyes such as fluorescein, eosin and rhodamine.
Synonyms and Related Terms
Soluble in ethanol, carbon disulfide and hot water. Slightly soluble in cold water and ether.
Hazards and Safety
Combustible. Irritating to skin and mucous membranes.