◆ Reagent

Potassium Nitrate

CAS 7757-79-1 · KNO3
Hazard class
Danger — Oxidiser, Irritant / harmful, Health hazard
Pictograms
OxidiserIrritant / harmfulHealth hazard
H-statements
  • H272 May intensify fire; oxidizer
  • H303 May be harmful if swallowed
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H335 May cause respiratory irritation
  • H361 Suspected of damaging fertility or the unborn child
  • H370 Causes damage to organs
  • H371 May cause damage to organs
  • H372 Causes damage to organs through prolonged or repeated exposure
  • H373 May causes damage to organs through prolonged or repeated exposure
Common uses (US EPA CDR)
Soil amendments (fertilizers)Oxidizing agentPropellants, non-motive (blowing agents)HardenerCorrosion inhibitor
Synonyms
POTASSIUM NITRATE · 7757-79-1 · Saltpeter · Nitre · Niter · Nitrate of potash · saltpetre · Vicknite
Molecular weight
101.103 g/mol
Search the full chemical database →
GHS/CLP classification from authoritative registries (ECHA Annex VI, PubChem). Reagent is a free chemical safety search. API · Console