Synonyms: Propanedioic acid Cas No. 141-82-2 Molecular Weight: 104.6 Description: Malonic acid also known as propanedioic acid is a dicarboxylic acid. It is a colorless, crystalline solid that is water-soluble. Malonic acid contains two carboxyl groups (-COOH) attached to a three-carbon chain. Its structure can be represented as HOOC-CH₂-COOH. Key Characteristics and Uses: Structure: The IUPAC name is propanedioic acid, which reflects its three-carbon backbone with two carboxyl groups. Synthesis: Malonic acid is commonly produced by the cyanoacetic acid method or by hydrolysis of cyanide compounds. Uses: In Organic Synthesis: It serves as a building block in the production of various chemicals, including barbiturates and certain pharmaceuticals. In the Malonic Ester Synthesis: This is a method used to prepare acetic acids and other organic compounds, especially in the synthesis of substituted acetic acids. In Biochemistry: It can be involved in metabolic processes, such as the citric acid cycle, though it is not a central metabolite. Physical Properties: Melting point: 135 °C (275 °F) Boiling point: 135–140 °C (275–284 °F) Solubility: Soluble in water, ethanol, and ether. Toxicity: Like many organic acids, malonic acid should be handled with care, although it is generally considered less hazardous than other strong acids. Specification: Purity: 99% Form: Powder or Crystals Color: White
