A fast-evaporating, hydrophobic glycol ether with high solvency and excellent coupling abilities. It is partly water soluble and miscible with most organic solvents. This is extensively used in heavy-duty cleaning formulations.


Molar Weight132.2 g/mol
Boiling Point171°C
Flash Point63°C

Uses and Applications

Key applications

  • Paint removal
  • Resins
  • Adhesives and Sealants
  • Textile handling
  • Automotive
  • Household industrial
  • Coating
  • Cosmetic products
  • Hard surface cleaning


  • Cleaning
  • Coatings & Construction
  • Agrobusiness

Synonyms: Propylene glycol mono n-butyl ether, 3-Butoxypropan-2-ol, propylene glycol monob utyl ether

Chemical Formula: C4H9OCH2CH(CH3)OH

CAS Number: 5131-66-8