Acrylic acid is a key organic compound with the chemical formula C₃H₄O₂.

Acrylic acid is a key organic compound with the chemical formula C₃H₄O₂. It is a colorless, pungent-smelling liquid that is highly reactive due to its carboxylic acid functional group and a double bond in its structure. This unique combination makes it an essential building block in the production of various polymers and industrial products.

Acrylic acid is miscible with water, alcohols, and ethers. It polymerizes easily and is typically stabilized with inhibitors like hydroquinone during storage to prevent unwanted polymerization. Its reactivity allows it to form homopolymers or copolymers with other monomers, enhancing material properties such as adhesion, durability, and water resistance.

The majority of acrylic acid is used to manufacture acrylate esters, including methyl acrylate, ethyl acrylate, and butyl acrylate. These esters are key components in:

Providing weather resistance and gloss.

Offering strong bonding and flexibility.

Used in fabric finishes and dyes.

Such as diapers and sanitary products, where superabsorbent polymers (SAPs) made from polyacrylic acid are crucial for liquid retention.

Acrylic acid is corrosive and can cause severe skin and eye irritation. Proper handling, including the use of protective equipment and adequate ventilation, is essential. Its tendency to polymerize exothermically requires careful storage and monitoring.

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