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
3D model (JSmol)
Beilstein Reference
773806
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.007.250
EC Number
  • 207-974-8
KEGG
PubChem CID
UNII
InChI
  • InChI=1S/C3H6O3/c4-2-1-3(5)6/h4H,1-2H2,(H,5,6) Y
    Key: ALRHLSYJTWAHJZ-UHFFFAOYSA-N Y
  • 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).
Y verify (what is YN ?)
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.