chemical entity potassium nitrate 0 100.95152 101.102 InChI=1S/K.NO3/c;2-1(3)4/q+1;-1 wikipedia.en:Potassium_nitrate pubmed:20062955 reaxys:16014598 Nitre Niter chebi_ontology potassium nitrate pubmed:21566718 Kaliumnitrat Salt peter Nitric acid, potassium salt K.NO3 kegg.drug:D02051 pubmed:21770249 CHEBI:63043 O=[N+]([O-])[O-].[K+] Saltpeter The inorganic nitrate salt of potassium. potassium nitrate FGIUAXJPYTZDNR-UHFFFAOYSA-N saltpetre pubmed:21905227 cas:7757-79-1 Nitrate of potash