Piperazine

Piperazine
Names
	Preferred IUPAC name Piperazine
	Systematic IUPAC name 1,4-Diazacyclohexane
	Other names Hexahydropyrazine; Piperazidine; Diethylenediamine; 1,4-Diazinane
Identifiers
CAS Number	110-85-0 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:28568 ;
ChEMBL	ChEMBL1412 ;
ChemSpider	13835459 ;
DrugBank	DB00592 ;
ECHA InfoCard	100.003.463
KEGG	D00807 ;
PubChem CID	4837;
UNII	1RTM4PAL0V ;
CompTox Dashboard (EPA)	DTXSID1021164 ;
	InChI InChI=1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2 Key: GLUUGHFHXGJENI-UHFFFAOYSA-N ; InChI=1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2;
	SMILES C1CNCCN1;
Properties
Chemical formula	C4H10N2
Molar mass	86.138 g·mol−1
Appearance	White crystalline solid
Melting point	106 °C (223 °F; 379 K)
Boiling point	146 °C (295 °F; 419 K) Sublimates
Solubility in water	Freely soluble
Acidity (pKa)	9.8
Basicity (pKb)	4.19
Magnetic susceptibility (χ)	-56.8·10−6 cm3/mol
Pharmacology
ATC code	P02CB01 (WHO)
	Pharmacokinetics:
Protein binding	60-70%
Hazards
NFPA 704 (fire diamond)	2 2 0
	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

Piperazine (/paɪˈpɛrəziːn/) is an organic compound that consists of a six-membered ring containing two nitrogen atoms at opposite positions in the ring. Piperazine exists as small alkaline deliquescent crystals with a saline taste.

The piperazines are a broad class of chemical compounds, many with important pharmacological properties, which contain a core piperazine functional group.

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