1,3-Propanediol

The simplest member of the class of propane-1,3-diols, consisting of propane in which one hydrogen from each methyl group is substituted by a hydroxy group. A colourless, viscous, water-miscible liquid with a high (210°C) boiling point, it is used in the synthesis of certain polymers and as a solvent and antifreeze

Synonyms
1,3-dihydroxypropane I 1,3-propylene glycol I 2-(hydroxymethyl)ethanol
Chemical Formula
C3H8O2
CAS Number
504-63-2

Characteristics

Melting Point
-32 °C
Boiling Point
214 °C
Flash Point
>110 °C
Density
1.053 g/mL at 25 °C
Forms
Liquid (clear)

Uses and Applications

Key applications

  • Preservative
  • Solvents
  • Skin care products
  • Personal care
  • Cosmetic products
  • Moisturizing products