Tetrazole

1H-Tetrazole
Identifiers
CAS Number	288-94-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:33193 ;
ChemSpider	60842 ;
ECHA InfoCard	100.005.477
PubChem CID	67519;
UNII	D34J7PAT68 ;
CompTox Dashboard (EPA)	DTXSID5075280 ;
	InChI InChI=1S/CH2N4/c1-2-4-5-3-1/h1H,(H,2,3,4,5) Key: KJUGUADJHNHALS-UHFFFAOYSA-N ; InChI=1/CH2N4/c1-2-4-5-3-1/h1H,(H,2,3,4,5) Key: KJUGUADJHNHALS-UHFFFAOYAI; InChI=1S/CH2N4/c1-2-4-5-3-1/h1H,(H,2,3,4,5) Key: KJUGUADJHNHALS-UHFFFAOYSA-N;
	SMILES [nH]1nnnc1;
Properties
Chemical formula	CH2N4
Molar mass	70.05 g/mol
Density	1.477 g/mL
Melting point	157 to 158 °C (315 to 316 °F; 430 to 431 K)
Boiling point	220 ± 23 °C (428 ± 41 °F; 493 ± 23 K)
Acidity (pKa)	4.90
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Tetrazoles are a class of synthetic organic heterocyclic compound, consisting of a 5-member ring of four nitrogen atoms and one carbon atom. The name tetrazole also refers to the parent compound with formula CH₂N₄, of which three isomers can be formulated.

^ Satchell, Jacqueline F.; Smith, Brian J. (2002). "Calculation of aqueous dissociation constants of 1,2,4-triazole and tetrazole: A comparison of solvation models". Phys. Chem. Chem. Phys. 4 (18): 4314–4318. Bibcode:2002PCCP....4.4314S. doi:10.1039/b203118c.
^ Mihina, Joseph S.; Herbst, Robert M. (1950). "The Reaction of Nitriles with Hydrazoic Acid: Synthesis of Monosubstituted Tetrazoles". J. Org. Chem. 15 (5): 1082–1092. doi:10.1021/jo01151a027.

[1] Satchell, Jacqueline F.; Smith, Brian J. (2002). "Calculation of aqueous dissociation constants of 1,2,4-triazole and tetrazole: A comparison of solvation models". Phys. Chem. Chem. Phys. 4 (18): 4314–4318. Bibcode:2002PCCP....4.4314S. doi:10.1039/b203118c.

[2] Mihina, Joseph S.; Herbst, Robert M. (1950). "The Reaction of Nitriles with Hydrazoic Acid: Synthesis of Monosubstituted Tetrazoles". J. Org. Chem. 15 (5): 1082–1092. doi:10.1021/jo01151a027.

[2]

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