Potassium Hydroxide

Potassium hydroxide is an inorganic compound with the formula KOH, and is commonly called caustic potash. It is used in various chemical, industrial, and manufacturing applications. Potassium Hydroxide is also a precursor to other potassium compounds. In food products, potassium hydroxide acts as a pH control agent, stabiliser, and food thickener. Potassium Hydroxide is available both in solid as liquid form


Molar Weight56,1056 g/mol
Melting Point360 °C
Boiling Point1,327 °C
FormsLiquid, Flakes, Pellets

Uses and Applications

Key applications

  • Metal working
  • Lawn and garden care
  • Fabric, textile and leather products
  • pH control
  • Laundry products
  • Lubricants
  • Household industrial
  • Cosmetic products
  • Soaps and detergents
  • Agricultural (non-pesticide)
  • Bleaching agent
  • Electronics


  • Pulp & Paper
  • Pharma
  • Oil & Gas
  • Cleaning
  • Coatings & Construction
  • Polymers
  • Cosmetics
  • Water Treatment
  • Food
  • Animal Nutrition
  • Agrobusiness
  • Lubricants
  • Chemical Processing
  • Rubber

Synonyms: Caustic potash Lye, Potash lye, Potassia, Potassium hydrate, KOH

Chemical Formula: KOH

CAS Number: 1310-58-3