Hyponitrite

Bis(hyponitrite)
Names
	Preferred IUPAC name Hyponitrite
	Systematic IUPAC name Diazenebis(olate)
	Other names Hyponitrite(2–)
Identifiers
3D model (JSmol)	(E): Interactive image; (Z): Interactive image;
3DMet	B00354;
ChEBI	CHEBI:18210;
ChemSpider	3874228 (?);
Gmelin Reference	130273
KEGG	C01818;
PubChem CID	6185901 (E); 4686309 (unassigned stereochemistry);
	InChI InChI=1S/H2N2O2/c3-1-2-4/h(H,1,4)(H,2,3)/p-2 Key: NFMHSPWHNQRFNR-UHFFFAOYSA-L;
	SMILES (E): [O-]/N=N/[O-]; (Z): [O-]\N=N/[O-];
Properties
Chemical formula	N; 2O2−; 2
Molar mass	60.012 g·mol−1
Conjugate acid	Hyponitrous acid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

In chemistry, hyponitrite may refer to the anion N
₂O²⁻
₂ ([ON=NO]²⁻), or to any ionic compound that contains it. In organic chemistry, it may also refer to the group −O−N=N−O−, or any organic compound with the generic formula R¹−O−N=N−O−R², where R¹ and R² are organic groups. Such compounds can be viewed as salts and esters of respectively hyponitrous acid H
₂N
₂O
₂ or HON=NOH.

An acid hyponitrite is an ionic compound with the anion HN
₂O⁻
₂ ([HON=NO]⁻).

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