Nitrite

Nitrite
Names
	IUPAC name Nitrite
	Systematic IUPAC name dioxidonitrate(1−)
	Other names nitrite
Identifiers
CAS Number	14797-65-0 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:16301;
ChemSpider	921;
EC Number	233-272-6;
PubChem CID	946;
UNII	J39976L608 ;
	InChI InChI=1S/HNO2/c2-1-3/h(H,2,3)/p-1 Key: IOVCWXUNBOPUCH-UHFFFAOYSA-M; InChI=1/HNO2/c2-1-3/h(H,2,3)/p-1 Key: IOVCWXUNBOPUCH-REWHXWOFAR;
	SMILES N(=O)[O-];
Properties
Chemical formula	NO−; 2
Molar mass	46.005 g·mol−1
Conjugate acid	Nitrous acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

The nitrite ion has the chemical formula NO⁻
₂. Nitrite (mostly sodium nitrite) is widely used throughout chemical and pharmaceutical industries. The nitrite anion is a pervasive intermediate in the nitrogen cycle in nature. The name nitrite also refers to organic compounds having the –ONO group, which are esters of nitrous acid.

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