3-Hydroxypropionic acid

3-Hydroxypropionic acid
Names
	Preferred IUPAC name 3-Hydroxypropanoic acid
	Other names 3-Hydroxypropionic acid; Hydracrylic acid; Ethylene lactic acid
Identifiers
CAS Number	503-66-2 ;
3D model (JSmol)	Interactive image;
3DMet	B00221;
Beilstein Reference	773806
ChEBI	CHEBI:33404 ;
ChEMBL	ChEMBL1205969;
ChemSpider	61460 ;
DrugBank	DB03688 ;
ECHA InfoCard	100.007.250
EC Number	207-974-8;
KEGG	C01013 ;
PubChem CID	68152;
UNII	C4ZF6XLD2X;
CompTox Dashboard (EPA)	DTXSID50198305 ;
	InChI InChI=1S/C3H6O3/c4-2-1-3(5)6/h4H,1-2H2,(H,5,6) Key: ALRHLSYJTWAHJZ-UHFFFAOYSA-N ; InChI=1/C3H6O3/c4-2-1-3(5)6/h4H,1-2H2,(H,5,6) Key: ALRHLSYJTWAHJZ-UHFFFAOYAU;
	SMILES O=C(O)CCO;
Properties
Chemical formula	C3H6O3
Molar mass	90.08 g/mol
Melting point	<25 °C; 143 °C (sodium salt)
Boiling point	Decomposes
Solubility in water	Very soluble
Acidity (pKa)	4.87
Related compounds
Related carboxylic acids	acetic acid; glycolic acid; propionic acid; lactic acid; malonic acid; butyric acid; hydroxybutyric acid
Related compounds	1-propanol; 2-propanol; propionaldehyde; acrolein
	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

3-Hydroxypropionic acid is a carboxylic acid, specifically a beta hydroxy acid. It is an acidic viscous liquid with a pKa of 4.9. It is very soluble in water, soluble in ethanol and diethyl ether. Upon distillation, it dehydrates to form acrylic acid, and is occasionally called hydracrylic acid

3-Hydroxypropionic acid is used in the industrial production of various chemicals such as acrylates.

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