Anodyne

Pyrrolidine
Generated by the Chemistry Development Kit (http://github.com/cdk)
Salts
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Pyrrolidine hydrochloride
Generated by the Chemistry Development Kit (http://github.com/cdk)
Molecular structure via molpic
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Physical properties
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Molecular mass71.12 g/mol [1]
Density0.8520 at 22.5 °C/4 °C g/cm3 [1]
AppearanceColorless to pale yellow liq [1]
OdorUnpleasant, ammoniacal odor [1]
TastePOWERFUL, AMMONIACAL TASTE [1]
Predicted LogP0.5 [1]
Melting point-57.79 °C [1]
Boiling point86.56 °C [1]
DecompositionWhen heated to decomposition it emits highly toxic fumes of /nitrogen oxides/. [1]
SolubilitySoluble in ethanol, ethyl ether; slightly soluble in benzene, chloroform [1]
Structural Identifiers
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Molecular formulaC4H9[1]
IUPAC namepyrrolidine [1]
SMILESC1CCNC1 [1]
InChIInChI=1S/C4H9N/c1-2-4-5-3-1/h5H,1-4H2 [1]
InChIKeyRWRDLPDLKQPQOW-UHFFFAOYSA-N [1]
Dosing

Pyrrolidine

Pyrrolidine (also known as Tetrahydropyrrole, Azacyclopentane, Azolidine, Tetramethylenimine, Butylenimine, Perhydropyrrole, Prolamine, 1-Azacyclopentane, Pyrrolidine ring or Pyrrole, tetrahydro-) is a substance of the pyrrolidine class.

Chemistry

Salts []

Pyrrolidine is typically found in the form of its hydrochloride salt.

References []

  1. National Center for Biotechnology Information. PubChem Compound Summary for CID 31268, Pyrrolidine. Accessed July 19, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/31268

  2. U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Pyrrolidine. UNII: LJU5627FYV. Global Substance Registration System. Accessed July 19, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/LJU5627FYV