Record Information
Version1.0
Creation Date2009-08-05 17:11:03 UTC
Update Date2026-04-05 21:34:37 UTC
Accession NumberCHEM002551
Identification
Common NameHydroxylammonium nitrate
ClassSmall Molecule
DescriptionHydroxylammonium nitrate (HAN) is the salt of hydroxylamine and nitric acid. It is being developed as a potential rocket propellant and is sometimes used in nuclear reprocessing as a plutonium reductant. Nitrite is a toxic compound known to cause methemoglobinemia. (3, 5)
Contaminant Sources
  • HPV EPA Chemicals
  • T3DB toxins
Contaminant Type
  • Industrial/Workplace Toxin
  • Inorganic Compound
  • Nitrate
  • Nitrite
  • Non-Metal
  • Synthetic Compound
Chemical Structure
Thumb
Synonyms
ValueSource
Hydroxylammonium nitric acidGenerator
Chemical FormulaH4N2O4
Average Molecular Mass96.043 g/mol
Monoisotopic Mass96.017 g/mol
CAS Registry Number13465-08-2
IUPAC Namehydroxyazanium nitrate
Traditional Namehydroxyazanium nitrate
SMILES[NH3+]O.[O-][N+]([O-])=O
InChI IdentifierInChI=1S/NO3.H4NO/c2-1(3)4;1-2/h;2H,1H3/q-1;+1
InChI KeyCRJZNQFRBUFHTE-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of inorganic compounds known as non-metal nitrates. These are inorganic non-metallic compounds containing a nitrate as its largest oxoanion.
KingdomInorganic compounds
Super ClassHomogeneous non-metal compounds
ClassNon-metal oxoanionic compounds
Sub ClassNon-metal nitrates
Direct ParentNon-metal nitrates
Alternative Parents
Substituents
  • Non-metal nitrate
  • Inorganic oxide
  • Inorganic salt
Molecular FrameworkNot Available
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginExogenous
Cellular Locations
  • Cytoplasm
  • Extracellular
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateSolid
AppearanceWhite powder.
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
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 FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-3cdc8b7b8bbaaeae6a75Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0002-9000000000-3cdc8b7b8bbaaeae6a75Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0002-9000000000-3cdc8b7b8bbaaeae6a75Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-9000000000-80cdb45982ae019b1f9cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0002-9000000000-80cdb45982ae019b1f9cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0002-9000000000-80cdb45982ae019b1f9cSpectrum
Toxicity Profile
Route of ExposureOral (3) ; inhalation (3)
Mechanism of ToxicityNitrate's toxicity is a result of it's conversion to nitrite once in the body. Nitrite causes the autocatalytic oxidation of oxyhemoglobin to hydrogen peroxide and methemoglobin. This elevation of methemoglobin levels is a condition known as methemoglobinemia, and is characterized by tissue hypoxia, as methemoglobin cannot bind oxygen. (1, 4)
MetabolismIntake of some amount of nitrates and nitrites is a normal part of the nitrogen cycle in humans. In vivo conversion of nitrates to nitrites can occur in the gastrointestional tract under the right conditions, significantly enhancing nitrates' toxic potency. The major metabolic pathway for nitrate is conversion to nitrite, and then to ammonia. Nitrites, nitrates, and their metabolites are excreted in the urine. (3)
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Ingested nitrate or nitrite under conditions that result in endogenous nitrosation is probably carcinogenic to humans (Group 2A). (2)
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNitrate and nitrite poisoning causes methemoglobinemia. Nitrites may cause pregnancy complications and developmental effects. They may also be carcinogenic. (3)
SymptomsNitrate and nitrite poisoning causes methemoglobinemia. Symptoms include cyanosis, cardiac dysrhythmias and circulatory failure, and progressive central nervous system (CNS) effects. CNS effects can range from mild dizziness and lethargy to coma and convulsions. (3)
TreatmentMethemoglobinemia can be treated with supplemental oxygen and methylene blue 1% solution administered intravenously slowly over five minutes followed by IV flush with normal saline. Methylene blue restores the iron in hemoglobin to its normal (reduced) oxygen-carrying state. (4)
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkHydroxylammonium nitrate
Chemspider IDNot Available
ChEBI IDNot Available
PubChem Compound ID26045
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available