Tartronic acid

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Tartronic acid

IUPAC name 2-hydroxypropanedioic acid
Other names tartronic acid, 2-tartronic acid, hydroxymalonic acid, 2-hydroxymalonic acid, hydroxypropanedioic acid
Identifiers
CAS number	80-69-3^N
PubChem	45
ChemSpider	44^Y
EC number	201-301-1
KEGG	C02287^N
ChEBI	CHEBI:16513^Y
Jmol-3D images	Image 1
SMILES O=C(O)C(O)C(=O)O
InChI InChI=1S/C3H4O5/c4-1(2(5)6)3(7)8/h1,4H,(H,5,6)(H,7,8)^Y Key: ROBFUDYVXSDBQM-UHFFFAOYSA-N^Y 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
Properties
Molecular formula	C₃H₄O₅
Molar mass	120.06 g/mol
Appearance	beige powder
Melting point	159 °C; 318 °F; 432 K (decomp)
Hazards
NFPA 704	0 2 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
N (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Tartronic acid or 2-hydroxymalonic acid is a dicarboxylic acid with the structural formula of HOOCCH(OH)COOH.

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

Uses

Tartronic acids are best known as a reactant in the catalytic oxidation with air to form mesoxalic acid, another type of hydroxydicarboxylic acid.^[1]

References

↑ Fordham P., Besson M., Gallezot P. (1997). "Catalytic oxidation with air of tartronic acid to mesoxalic acid on bismuth-promoted platinum". Catal. Lett. 46 (3–4): 195–199(5). doi:10.1023/A:1019082905366. Retrieved 2007-07-06.

Hall A. N., Kulka D., Walker T. K. (1955). "Formation of arabinose, ribulose and tartronic acid from 2-keto-d-gluconic acid". Biochem J. 60 (2): 271–274(4). PMC 1215693. PMID 14389236. Retrieved 2007-07-06.

External links

US-Patent 4319045: "Process for production of a tartronic acid solution", max 20% Tartronic acid besides other dicarbonic acids
US-Patent 5750037: Use of tartronic acid as an oxygen scavenger
Literature overview about synthesis

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