1,5-Pentanediol (PDO)

Pure Liquid

Formula: C5H12O2
Molecular Weight: 104.2
PRD Number: 30077262
CAS Registry Number:111-29-5

1,5-Pentanediol (PDO) is a colorless,oily liquid with characteristic odor. It is miscible in water and organic solvents.


  • 1,5-Dihydroxypentane
  • 1,5-Pentamethylene glycol
  • Pentylene glycol
  • Pentane-1,5-diol
  • Pentamethylene glycol


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Download: PDO 1-5 Pentanediol PDS (PDF, 86 KB)

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Product SpecificationValueTest Method
Assay, % min.97.0GC
Water, % min.0.20ASTM D 1364
Color, APHA max.20ASTM D 1209

Physical Properties
Freezing point, degrees C-16
Boiling temperature, degrees C240-244
Density @ 20 degrees C, g/cm30.99
Flash point, degrees C136
Autoignition temperature, degrees C330


Intermediate finds applications in:

  • Initial product for chemical syntheses
  • Inks and coatings
  • Plasticizers
  • Solvent, Industrial chemicals


Available in bulk and 200 kg net steel

Storage & Handling

PDO has a shelf life of 24 months in unopened, original container kept at 20ºC. It must be protected from fire and sources of ignition. Keep container dry.