Skip to main content

Search from vocabulary

Content language

Concept information

Organic Chemicals > Amines > Quaternary Ammonium Compounds
Inorganic Chemicals > Nitrogen Compounds > Ammonium Compounds > Quaternary Ammonium Compounds
Organic Chemicals > Onium Compounds > Quaternary Ammonium Compounds

Preferred term

Quaternary Ammonium Compounds  

Type

  • Topical Descriptor

Entry terms

  • Ammonium Compound, Quaternary
  • Compound, Quaternary Ammonium
  • Quaternary Ammonium Compound

Note

  • general or unspecified; prefer specifics

Scope note

  • Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN=CR2.

History note

  • 2006(1963)

In other languages

URI

http://www.yso.fi/onto/mesh/D000644

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/1/99, last modified 5/27/20