Glutaric acid

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Glutaric acid
Skeletal formula of glutaric acid
Ball-and-stick model of the glutaric acid molecule
IUPAC name
pentanedioic acid
Other names
Propane-1,3-dicarboxylic acid; 1,3-propanedicarboxylic acid; pentanedioic acid; n-Pyrotartaric acid
110-94-1 YesY
ChEBI CHEBI:17859 YesY
ChEMBL ChEMBL1162495 YesY
ChemSpider 723 YesY
DrugBank DB03553 YesY
EC Number 203-817-2
Jmol 3D model Interactive image
KEGG C00489 YesY
PubChem 743
Molar mass 132.12 g/mol
Melting point 95 to 98 °C (203 to 208 °F; 368 to 371 K)
Boiling point 200 °C (392 °F; 473 K) /20 mmHg
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Glutaric acid is the organic compound with the formula C3H6(COOH)2 . Although the related "linear" dicarboxylic acids adipic and succinic acids are water-soluble only to a few percent at room temperature, the water-solubility of glutaric acid is over 50% (w/w).


Glutaric acid is naturally produced in the body during the metabolism of some amino acids, including lysine and tryptophan. Defects in this metabolic pathway can lead to a disorder called glutaric aciduria, where toxic byproducts build up and can cause severe encephalopathy.


Glutaric acid can be prepared by the ring-opening of butyrolactone with potassium cyanide to give the mixed potassium carboxylate-nitrile that is hydrolyzed to the diacid.[1] Alternatively hydrolysis, followed by oxidation of dihydropyran gives glutaric acid. It can also be prepared from reacting 1,3-dibromopropane with sodium or potassium cyanide to obtain the dinitrile, followed by hydrolysis.


1,5-Pentanediol, a common plasticizer and precursor to polyesters is manufactured by hydrogenation of glutaric acid and its derivatives.[2]

Glutaric acid itself has been used in the production of polymers such as polyester polyols, polyamides. The odd number of carbon atoms (i.e. 5) is useful in decreasing polymer elasticity.[citation needed]


Glutaric acid may cause irritation to the skin and eyes.[3] Acute hazards include the fact that this compound may be harmful by ingestion, inhalation or skin absorption.[3]


  1. G. Paris, L. Berlinguet, R. Gaudry, J. English, Jr. and J. E. Dayan (1963). "Glutaric Acid and Glutaramide". Org. Synth.CS1 maint: multiple names: authors list (link)<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>; Coll. Vol., 4, p. 496<templatestyles src="Module:Citation/CS1/styles.css"></templatestyles>
  2. Peter Werle and Marcus Morawietz "Alcohols, Polyhydric" in Ullmann's Encyclopedia of Industrial Chemistry: 2002, Wiley-VCH: Weinheim. DOI 10.1002/14356007.a01_305
  3. 3.0 3.1 Glutaric acid,

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