Description:2-Butynedioic acid, also known as fumaric acid, is a dicarboxylic acid characterized by its two carboxyl (-COOH) functional groups attached to a four-carbon alkyne backbone. It is a colorless, crystalline solid that is soluble in water and exhibits a slightly acidic nature. The compound has a molecular formula of C4H4O4 and features a triple bond between the second and third carbon atoms, contributing to its reactivity. 2-Butynedioic acid is known for its role in organic synthesis and can serve as a precursor for various chemical reactions, including the formation of polymers and other complex organic molecules. It is also utilized in the food industry as a food additive and in the production of certain pharmaceuticals. The compound has a relatively low toxicity profile, but like many organic acids, it can cause irritation upon contact with skin or mucous membranes. Its unique structure and properties make it a valuable compound in both industrial and laboratory settings.
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