Phthalic Anhydride Allergy Test

Acid anhydrides are a group of highly reactive chemicals used widely in the formulation of paints and plastics. These chemicals are used in the synthesis of plasticizers and for producing epoxy and alkyd resins as well as a variety of other products including dyes, insecticides, polyester resins, and pharmaceuticals. 

In turn, epoxy and alkyd resins are used as constituents of paints, varnishes, surface coatings, adhesives, encapsulated materials, and sealants. Phthalic anhydride (PA) is a compound with a wide variety of industrial uses. 

Phthalic Anhydride can cause two types of allergic reactions: A respiratory allergy and a skin allergy. A skin allergy to phthalic anhydride can often be either immediate or delayed. A skin allergy to phthalic anhydride is extremely rare.