Potassium Nitrate

Potassium nitrate is a chemical compound which forms colourless crystals. It is an ionic salt of potassium ions K+ and nitrate ions NO3−, and is therefore an alkali metal nitrate. It occurs in nature as a mineral. It is a source of nitrogen.

Synonyms
Saltpeter, Saltpetre, Nitrate of potash, E252
Chemical Formula
KNO3
CAS Number
7757-79-1

Characteristics

Molar Weight
101.103 g/mol
Melting Point
334°C
Boiling Point
400°C (decomposes)
Density
2.109 g/cm³
Forms
Powder, Colourless

Uses and Applications

Key applications

  • Explosives
  • Food preservatives
  • Oxidising agent
  • Pyrotechnics
  • Pharmaceuticals
  • Cosmetic products
  • Macronutrient

Industries

  • Pharma
  • Energy Services
  • Beauty & Personal Care
  • Water Treatment
  • Food & Nutrition
  • Animal Nutrition
  • Agriculture
  • Lubricants