The molecular formula for 2-Ethylhexoic acid is C₈H₁₆O₂ or CH₃(CH₂)₃CH(C₂H₅)COOH. Its CAS is 149-57-5. The liquid organic compound has a mild odor, is highly corrosive to metals and tissue, and combustible, but difficult to ignite. 2-Ethylhexoic acid is used in the manufacture of adhesives and sealant chemicals, corrosion inhibitors and anti-scaling agents, intermediates, lubricants and lubricant additives, paint and coating additives, and process regulators.