3-Hydroxypropionic acid

CAS Registry Number®

503-66-2

CAS Name

3-Hydroxypropionic acid

Molecular Formula

C3H6O3

Molecular Mass

90.08

Cite this Page

3-Hydroxypropionic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=503-66-2 (retrieved 2025-03-29) (CAS RN: 503-66-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    84-87 °C @ Press: 12 Torr

  • Melting Point (2)

    <25 °C

  • Density (3)

    1.1989 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C3H6O3/c4-2-1-3(5)6/h4H,1-2H2,(H,5,6)

InChIKey

InChIKey=ALRHLSYJTWAHJZ-UHFFFAOYSA-N

SMILES

C(C(O)=O)CO

Canonical SMILES

O=C(O)CCO

Other Names for this Substance

  • Propanoic acid, 3-hydroxy-
  • Hydracrylic acid
  • 3-Hydroxypropanoic acid
  • β-Hydroxypropionic acid
  • 3-Hydroxypropionic acid

View All

Deleted or Replaced CAS Registry Numbers

1111092-31-9

CAS INSIGHTSTM
A hexagon honeycomb pattern featuring icons representing Data Fabric Analytics, Antennas, Construction, DNA, and Sustainability Bamboo. Each hexagon contains a distinct symbol related to its theme, arranged in a visually appealing and interconnected design.