Ammonium

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Basic information

CAS: 14158-23-7
Standard SMILES: [NH4+]
InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-O
Molecular formula: H4N+
Average molar mass: 18.039 g/mol
Monoisotopic mass: 18.03382555

Overview

Ammonium is an onium cation obtained by protonation of ammonia. It has a role as a cofactor, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a nitrogen hydride, an onium cation and a monovalent inorganic cation. It is a conjugate acid of an ammonia.

Names & identifiers

Preferred name: Ammonium
IUPAC: azanium
English name: NH2+
Molecular formula: H4N+
Molecular weight: 18.04

Names & synonyms

ammoniumAmmonium ionazaniumAmmonium cation14798-03-9Ammonium(1+)54S68520I4CHEBI:28938RefChem:6517NH4+Ammonia ionAmmonium ion(+)

Show more names

NH2+Z-His-NH·

nitrogen(1+)Ammonium ion(1+)Ammonium (NH4+)AMMONIUM CATION WITH DAmmonium ion (NH4+)NH4(+)ND4Ammonium Standard: NH4+ @ 1000 microg/mL in H2O

Database identifiers

CAS: 14158-23-7、14798-03-9、15194-15-7、92075-50-8
PubChem CID: 223
DTXSID: DTXSID5043974
ChEBI: CHEBI:28938
UNII: 54S68520I4
Nikkaji: J231.669B、J643.962D

Properties

Computed structural propertiesFilling in

XLogP: -0.7
Topological polar surface area: 1 Å²
Hydrogen bond donors: 1
Hydrogen bond acceptors: 0
Rotatable bonds: 0
Heavy atoms: 1
Formal charge: 1
Complexity: 0

Experimental & physicochemical properties

Solubility10.2 mg/mL at 20 °C

Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR

Chemistry & industry

Pharmacology

Metabolite PathwaysThe oncogenic action of 2-hydroxyglutarate

Additional notes · 1 item

DefinitionChEBI: Ammonium is an onium cation obtained by protonation of ammonia. It has a role as a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a cofactor. It is a nitrogen hydride, an onium cation and a monovalent inorganic cation. It is a conjugate acid of an ammonia.