2-Hydroxyisobutyric acid

2-Hydroxyisobutyric acid
Names
	Other names α-Hydroxyisobutyric acid; 2-Hydroxyisobutanoic acid; α-Hydroxyisobutanoic acid; 2-Hydroxy-2-methyl propanoic acid; 2-Hydroxy-2-methyl propionic acid; 2-Methyllactic acid; 2-Methylglycolic acid; Acetonic acid; Hydroxydimethylacetic acid
Identifiers
CAS Number	594-61-6 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1744739
ChEBI	CHEBI:50129;
ChEMBL	ChEMBL1345148;
ChemSpider	11181;
ECHA InfoCard	100.008.955
EC Number	209-848-8;
PubChem CID	11671;
UNII	DMW250U2HF;
CompTox Dashboard (EPA)	DTXSID4032954 ;
	InChI InChI=1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6) Key: BWLBGMIXKSTLSX-UHFFFAOYSA-N;
	SMILES CC(C)(C(=O)O)O;
Properties
Chemical formula	C4H8O3
Molar mass	104.105 g·mol−1
Appearance	white solid
Density	1.23 g/cm3
Melting point	82.5 °C (180.5 °F; 355.6 K)
Boiling point	212 °C (414 °F; 485 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H302, H315, H318, H335
Precautionary statements	P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

2-Hydroxyisobutyric acid is the organic compound with the formula (CH₃)₂C(OH)CO₂H. A white solid, it is classified as an hydroxycarboxylic acid. It has been considered as a naturally occurring precursor to polyesters. It is closely related to lactic acid (CH₃CH(OH)CO₂H).

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