What is Potassium Nitrate

It is a natural source of nitrate and has been used as a constituent for several different purposes, including food preservatives, fertilisers, tree stump removal, rocket propellants, and fireworks. Potassium nitrate is a common active ingredient in toothpaste, exerting an anti-sensitivity action.

  • Synonyms: Potassium Nitrate, Monohydrate, Saltpeter, Saltpetre
  • INCI: Potassium Nitrate
  • Chemical Formula: KNO₃
  • CAS Number: 7757-79-1

Product Specifications


Chemical Formula KNO₃
CAS Number 7757-79-1
Molar Weight 101.102g/mol
Specific Gravity 2.109
Melting Point 334 °C
Boiling Point 400 °C

Uses and Applications for Potassium Nitrate


  • Pharma
  • Lubricants
  • Water Treatment
  • Oil & Gas
  • Cleaning
  • Animal Nutrition
  • Coatings & Construction
  • Food and Nutrition
  • Agriculture
  • Cosmetics
  • Solvents
  • Polymers
  • Rubber

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