Piperazine

Salts []
Sulfate

Hydrobromide

Tartrate

Citrate

Camsilate

Phosphate

Molecular structure via molpic based on CDK

Conformer []

Conformer structure via 3Dmol.js

Physical properties []
Molecular mass	86.14 g/mol ^[1]
Density	1.1 at 68 °F (NTP, 1992) - Denser than water; will sink g/cm³ ^[1]
Appearance	Plates or leaflets from ethanol ^[1]
Odor	Typical amine odor ^[1]
Taste	Salty taste ^[1]
Melting point	223 ° ^[1]
Boiling point	295 ° ^[1]
Decomposition	When heated to decomposition it emits highly toxic fumes of /nitrogen oxide/. ^[1]
Solubility	Very soluble (NTP, 1992) ^[1]
Predicted LogP	-1.5 ^[1]

Structural Identifiers []
Molecular formula	C₄H₁₀N₂ ^[1]
IUPAC name	piperazine ^[1]
SMILES	C1CNCCN1 ^[1]
InChI	InChI=1S/C4H10N2/c1-2-6-4-3-5-1/h5-6H,1-4H2 ^[1]
InChIKey	GLUUGHFHXGJENI-UHFFFAOYSA-N ^[1]

Piperazine

Piperazine (also known as Diethylenediamine, 1,4-Diazacyclohexane, Piperazin, Hexahydropyrazine, Piperazidine, Antiren, 1,4-Piperazine, Diethyleneimine, Pipersol or Eraverm) is a substance of the piperazine class.

Chemistry

Salts []

Piperazine is typically found in the form of its sulfate, hydrobromide, tartrate, citrate, camsilate and phosphate salts.

Stereochemistry []

Piperazine is a achiral mixture

External links []

References []

National Center for Biotechnology Information. PubChem Compound Summary for CID 4837, Piperazine. Accessed July 19, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/4837
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Piperazine. UNII: 1RTM4PAL0V. Global Substance Registration System. Accessed July 19, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/1RTM4PAL0V

Anodyne