Record Information
Version1.0
Creation date2010-04-08 22:11:49 UTC
Update date2018-01-23 19:40:42 UTC
Primary IDFDB015409
Secondary Accession NumbersNot Available
Chemical Information
FooDB NamePotassium nitrate (KNO3)
DescriptionPreservative for cod roe, cured red meat and poultry products. Potassium nitrate (KNO3) is found in fishes, animal foods, and common sage.
CAS Number7757-79-1
Structure
Thumb
Synonyms
SynonymSource
KaliumnitratChEBI
NiterChEBI
Nitrate OF potashChEBI
NitreChEBI
Nitric acid, potassium saltChEBI
Salt peterChEBI
SaltpeterChEBI
SaltpetreChEBI
Potassium nitric acidGenerator
Nitric acid OF potashGenerator
Nitrate, potassium saltGenerator
Potassium nitrate monohydrateMeSH
Collo-bobiospider
E252db_source
KalII nitrasbiospider
Nitrate of potashbiospider
Nitric acid potassium saltbiospider
Nitric acid potassium salt (1:1)biospider
Nitric acid, potassium salt, 8CIdb_source
Potassium nitratedb_source
Potassium nitrate (jan/usp)biospider
Potassium nitrate [jan]biospider
Potassium nitrate [UN1486] [Oxidizer]biospider
Potassium nitrate(dot)biospider
Salt peter (van)biospider
Sensodynebiospider
Sensodyne (TN)biospider
Vicknitebiospider
Predicted Properties
PropertyValueSource
logP0.028ChemAxon
pKa (Strongest Acidic)-1.4ChemAxon
pKa (Strongest Basic)-6.1ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area68.88 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity9.85 m³·mol⁻¹ChemAxon
Polarizability3.24 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Chemical FormulaKNO3
IUPAC namepotassium nitrate
InChI IdentifierInChI=1S/K.NO3/c;2-1(3)4/q+1;-1
InChI KeyFGIUAXJPYTZDNR-UHFFFAOYSA-N
Isomeric SMILES[K+].[O-][N+]([O-])=O
Average Molecular Weight101.1032
Monoisotopic Molecular Weight100.951524732
Classification
DescriptionThis compound belongs to the class of chemical entities known as alkali metal nitrates. These are inorganic compounds in which the largest oxoanion is nitrate, and in which the heaviest atom not in an oxoanion is an alkali metal.
KingdomChemical entities
Super ClassInorganic compounds
ClassMixed metal/non-metal compounds
Sub ClassAlkali metal oxoanionic compounds
Direct ParentAlkali metal nitrates
Alternative Parents
Substituents
  • Alkali metal nitrate
  • Inorganic oxide
  • Inorganic salt
Molecular FrameworkNot Available
External Descriptors
Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionK 38.67%; N 13.85%; O 47.47%DFC
Melting PointMp 334°DFC
Boiling PointNot Available
Experimental Water SolubilityNot Available
Experimental logPNot Available
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
DensityNot Available
Refractive IndexNot Available
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
ChemSpider IDNot Available
ChEMBL IDNot Available
KEGG Compound IDNot Available
Pubchem Compound ID24434
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDNot Available
CRC / DFC (Dictionary of Food Compounds) IDKBX40-H:KBX40-H
EAFUS ID3137
Dr. Duke IDPOTASSIUM-NITRATE
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Flavornet IDNot Available
GoodScent IDrw1099621
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
Flavours
FlavorCitations
odorless
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference— Duke, James. 'Dr. Duke's Phytochemical and Ethnobotanical Databases. United States Department of Agriculture.' Agricultural Research Service, Accessed April 27 (2004).