Pyrrole

Pyrrole is an organic compound with the molecular formula C4H5N.

Formula
C4H5N
Molar mass
67.09 g/mol
Also known as
1H-pyrrole, Azole, Divinylenimine, Imidole, Pyrrol, Monopyrrole

Overview

Pyrrole is an organic compound with the molecular formula C4H5N.

Identifiers

Formula
C4H5N
Molar mass
67.09 g/mol
Also known as
1H-pyrrole, Azole, Divinylenimine, Imidole, Pyrrol, Monopyrrole
Chemical identifiers
SMILES
C1=CNC=C1
InChI
InChI=1S/C4H5N/c1-2-4-5-3-1/h1-5H
PubChem CID
8027

Properties

Melting Point
-23.4 °C
Boiling Point
129.7 °C
Water solubility
Water solubility: 4.5X10+4 mg/l @ 25 °C
Data availability

Not published: Density.

References

  1. PubChem Compound Summary: Pyrrole (CID 8027)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. Hazardous Substances Data Bank (HSDB): Pyrrole — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8027#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. (ed.). CRC Handbook of Chemistry and Physics. 76th ed. Boca Raton, FL: CRC Press Inc., 1995-1996., p. 3-304

  3. Hazardous Substances Data Bank (HSDB): Pyrrole — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8027#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. (ed.). CRC Handbook of Chemistry and Physics. 76th ed. Boca Raton, FL: CRC Press Inc., 1995-1996., p. 3-304

  4. Hazardous Substances Data Bank (HSDB): Pyrrole — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8027#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Riddick, J.A., W.B. Bunger, Sakano T.K. Techniques of Chemistry 4th ed., Volume II. Organic Solvents. New York, NY: John Wiley and Sons., 1985., p. 631