| Formula / Notation | C4H9N |
|---|---|
| CAS Number | 123-75-1 |
| Molecular Weight | 71.12 |
| Melting Point | -57.79 °C |
| Boiling Point | 86.56 °C |
| Density | 0.8520 at 22.5 °C/4 °C |
| Solubility | Soluble in ethanol, ethyl ether; slightly soluble in benzene, chloroform |
| Appearance | Pyrrolidine appears as a colorless to pale yellow liquid with an ammonia-like odor. Vapors heavier than air. Produces toxic oxides of nitrogen during combustion. |
| Also Known As | 123-75-1; Tetrahydropyrrole; Azacyclopentane; Azolidine; Tetramethylenimine; Butylenimine; Prolamine; Perhydropyrrole; 1-Azacyclopentane; Pyrrolidine ring |
| Category | Organic Compounds |
What is Pyrrolidine?
Pyrrolidine is a cyclic amine whose five-membered ring contains four carbon atoms and one nitrogen atom; the parent compound of the pyrrolidine family. It is a saturated organic heteromonocyclic parent, an azacycloalkane and a member of pyrrolidines. It is a conjugate base of a pyrrolidinium ion.
Formula & Notation
IUPAC Name: pyrrolidine
Other Names / Synonyms: 123-75-1; Tetrahydropyrrole; Azacyclopentane; Azolidine; Tetramethylenimine; Butylenimine; Prolamine; Perhydropyrrole; 1-Azacyclopentane; Pyrrolidine ring
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -57.79 °C |
| Boiling Point | 86.56 °C |
| Density | 0.8520 at 22.5 °C/4 °C |
| Molecular Weight | 71.12 |
| Solubility | Soluble in ethanol, ethyl ether; slightly soluble in benzene, chloroform |
| Appearance | Pyrrolidine appears as a colorless to pale yellow liquid with an ammonia-like odor. Vapors heavier than air. Produces toxic oxides of nitrogen during combustion. |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Pyrrolidine is a cyclic amine whose five-membered ring contains four carbon atoms and one nitrogen atom; the parent compound of the pyrrolidine family. It is a saturated organic heteromonocyclic parent, an azacycloalkane and a member of pyrrolidines. It is a conjugate base of a pyrrolidinium ion.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Pyrrolidine is: C4H9N