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succinic acid

Product name succinic acid
Synonyms butanedioic acid
ethane-1,2-dicarboxylic acid
amber acid
GOST 6341-75
CAS 110-15-6

Succinic acid is a colorless, odorless crystalline compound. It is boundedly soluble cold water and lower alcohols, but solubility rises with the temperature. It is almost insoluble in benzene, chloroform, carbon disulfide, carbon tetrachloride and aliphatic hydrocarbons. Succinic acid is a dicarboxylic acid. Its esters and salts are called succinates. It occurs naturally in plant and animal tissues, and in brown coal. Succinic acid plays a significant role in intermediary metabolism (Krebs cycle or citric acid cycle) in the body. At 235°C it dehydrates to give succinic anhydride. Being treated with ammonia or primary amines it forms succinimides.


Succinic acid is produced:

  • by catalytic hydrogenation of maleic acid or maleic anhydride;
  • as a by-product of adipic acid production;
  • by oxidation of C4-C10 hydrocarbons followed by isolation from acids mixture.


  • succinic acid is a significant intermediate in chemical industry. It is applied for dyes, lacquers, alkyd resins, photographic chemicals, insecticides, agricultural chemicals preparation;
  • in pharmaceutical industry as itself and as a raw material to make a number of drugs (sedative, antispasmer, antiplegm, antiphogistic, anrhoter, contraception and cancer-curing);
  • to prepare esters (succinates), which used in perfumery, cosmetics and food industry as a perfume and aromatizers. It applied also as plasticizers.

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    Chemical structure of succinic acid

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