Pyrrolidine



Pyrrolidine
IUPAC name Pyrrolidine
Other names azacyclopentane tetrahydropyrrole
Identifiers
CAS number 123-75-1
PubChem 31268
RTECS number UX9650000
SMILES C1CCNC1
Properties
Molecular formula C4H9N
Molar mass 71.11
Appearance clear liquid
Density 0.866
Melting point

-63

Boiling point

87

Solubility in water miscible
Acidity (pKa) 11.27
Basicity (pKb) 2.74
Hazards
Main hazards highly flammable, harmful, corrosive, mutagen
R-phrases 11 20/21/22 35
S-phrases 16 26 28 36/37 45
Flash point 3
Related Compounds
Related compounds piperidine
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references


Pyrrolidine, also known as tetrahydropyrrole, is an nitrogen atom. It is a clear liquid with an unpleasant ammonia-like odor.

Pyrrolidine is found naturally in the leaves of tobacco and carrot. The pyrrolidine ring structure is present in numerous natural aniracetam).

A pyrrolidine ring is the central structure of the hydroxyproline.

See also

  • Pyrrol, the aromatic analog with two double bonds
  • Pyrroline, an analog with one double bond
 
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