Tartronic acid

Tartronic acid
Names
	Preferred IUPAC name Hydroxypropanedioic acid
	Other names tartronic acid,; 2-tartronic acid,; hydroxymalonic acid,; 2-hydroxymalonic acid
Identifiers
CAS Number	80-69-3 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:16513 ;
ChemSpider	44 ;
ECHA InfoCard	100.001.184
EC Number	201-301-1;
KEGG	C02287 ;
PubChem CID	45;
UNII	34T0025E0L ;
CompTox Dashboard (EPA)	DTXSID6075358 ;
	InChI InChI=1S/C3H4O5/c4-1(2(5)6)3(7)8/h1,4H,(H,5,6)(H,7,8) Key: ROBFUDYVXSDBQM-UHFFFAOYSA-N ; InChI=1/C3H4O5/c4-1(2(5)6)3 (7)8/h1,4H,(H,5,6)(H,7,8); InChI=1/C3H4O5/c4-1(2(5)6)3(7)8/h1,4H,(H,5,6)(H,7,8) Key: ROBFUDYVXSDBQM-UHFFFAOYAD;
	SMILES O=C(O)C(O)C(=O)O;
Properties
Chemical formula	C3H4O5
Molar mass	120.06 g/mol
Appearance	white solid
Density	1.849 g/cm3
Melting point	159 °C (318 °F; 432 K) (decomposes)
Hazards
NFPA 704 (fire diamond)	2 0 0
Related compounds
Related carboxylic acids	Tartaric acid; Malic acid; Mesoxalic acid; Lactic acid; 3-Hydroxypropionic acid; Malonic acid; Propionic acid; Oxalic acid
Related compounds	Glyceric acid; Glyceraldehyde; Tartonaldehyde; Glycerol
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tartronic acid or 2-hydroxymalonic acid is an organic compound with the structural formula of HOHC(CO₂H)₂. This dicarboxylic acid is related to malonic acid. It is a white solid. It is produced by oxidation of glycerol:

HOCH₂CH(OH)CH₂OH + 2 O₂ → HO₂CCH(OH)CO₂H + 2 H₂O

Glyceric acid HOCH₂CH(OH)CO₂H is an intermediate.

Its derivative, 2-methyltartronic acid, is isomalic acid.

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