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.
|Molar Weight||101.103 g/mol|
|Boiling Point||400°C (decomposes)|
|Specific Gravity||2.109 g/cm³|
Synonyms: Saltpeter, Saltpetre, Nitrate of potash, E252
Chemical Formula: KNO3
CAS Number: 7757-79-1