1,3-Propanediol

CAS Registry Number®

504-63-2

CAS Name

1,3-Propanediol

Molecular Formula

C3H8O2

Molecular Mass

76.09

Cite this Page

1,3-Propanediol.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=504-63-2 (retrieved 2025-03-28) (CAS RN: 504-63-2).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    85 °C @ Press: 0.20 Torr

  • Melting Point (2)

    -26.7 °C

  • Density (3)

    1.0538 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C3H8O2/c4-2-1-3-5/h4-5H,1-3H2

InChIKey

InChIKey=YPFDHNVEDLHUCE-UHFFFAOYSA-N

SMILES

C(CO)CO

Canonical SMILES

OCCCO

Other Names for this Substance

  • 1,3-Propanediol
  • PG
  • β-Propylene glycol
  • 1,3-Propylene glycol
  • Trimethylene glycol

View All

Deleted or Replaced CAS Registry Numbers

757125-93-2, 1629855-95-3

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