Pyrazolidine Knowpia

Pyrazolidine
Names
	Preferred IUPAC name Pyrazolidine
	Other names 1,2-Diazolidine
Identifiers
CAS Number	504-70-1 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:33138 ;
ChemSpider	71365 ;
PubChem CID	79033;
UNII	Y0MA3161MR ;
CompTox Dashboard (EPA)	DTXSID30198444 ;
	InChI InChI=1S/C3H8N2/c1-2-4-5-3-1/h4-5H,1-3H2 Key: USPWKWBDZOARPV-UHFFFAOYSA-N ; InChI=1/C3H8N2/c1-2-4-5-3-1/h4-5H,1-3H2 Key: USPWKWBDZOARPV-UHFFFAOYAM;
	SMILES C1CNNC1;
Properties
Chemical formula	C3H8N2
Molar mass	72.10902
Density	1.00 g/cm3 (20 °C)
Melting point	10 to 12 °C (50 to 54 °F; 283 to 285 K)
Boiling point	138 °C (280 °F; 411 K)
Refractive index (nD)	1.477
	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

Pyrazolidine is a heterocyclic compound. It is a liquid that is stable in air, but it is hygroscopic.^[2]

Preparation edit

\mathrm {Cl{-}(CH_{2})_{3}{-}Cl\ +\ N_{2}H_{4}\ \xrightarrow {\Delta T} \ C_{3}H_{8}N_{2}\ +\ 2HCl}

\mathrm {Br{-}(CH_{2})_{3}{-}Br\ +\ N_{2}H_{4}\ {\xrightarrow {\Delta T}}\ C_{3}H_{8}N_{2}\ +\ 2HBr}

^ International Union of Pure and Applied Chemistry (2014). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. The Royal Society of Chemistry. p. 142. doi:10.1039/9781849733069. ISBN 978-0-85404-182-4.
^ ^a ^b ^c ^d ^e ^f Buhle, Emmett L.; Moore, Alexander M.; Wiselogle, F. Y. (1943). "The Configuration of Tervalent Nitrogen. A Bicyclic Hydrazine Derivative1". Journal of the American Chemical Society. 65 (1). American Chemical Society (ACS): 29–32. doi:10.1021/ja01241a009. ISSN 0002-7863.