has role potassium salt fertilizer inorganic nitrate salt potassium nitrate 0 100.952 101.10320 CAS:7757-79-1 CHEBI:63043 FGIUAXJPYTZDNR-UHFFFAOYSA-N InChI=1S/K.NO3/c;2-1(3)4/q+1;-1 KEGG:D02051 KNO3 Kaliumnitrat Niter Nitrate of potash Nitre Nitric acid, potassium salt PMID:20062955 PMID:21566718 PMID:21770249 PMID:21905227 Reaxys:16014598 Salt peter Saltpeter The inorganic nitrate salt of potassium. Wikipedia:Potassium_nitrate [K+].[O-][N+]([O-])=O chebi_ontology potassium nitrate saltpetre colombos:KNO3