Maleic Acid

Maleic acid is a colorless, crystalline organic compound used to make other chemicals and for dyeing and finishing naturally occurring fibers. It is combustible, although difficult to ignite, and is considered toxic causing extreme irritation to eyes, skin, and respiratory systems. Other than industrial uses, maleic acid has few applications.

Description

Maleic acid, also known as cis-butenedioic acid chemical formula is C4H4O4. Its CAS Number is 110-16-7. It is a dicarboxylic acid organic compound, which is a molecule with two carboxyl groups. Its chemical formula is HO2CCHCHCO2H.

The colorless crystalline compound has a faint acidulous odor and a characteristic repulsive, astringent taste. It is primarily used as a precursor to fumaric acid, and relative to its parent maleic anhydride. It is used in industry as an adhesion promoter for different substrates such as nylon and zinc coated metals, as a corrosion inhibitor and anti-scaling agent, and as an intermediate. Maleic acid is produced by the hydration of maleic anhydride.

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