| Formula / Notation | C4H5N |
|---|---|
| CAS Number | 109-97-7 |
| Molecular Weight | 67.09 |
| Melting Point | -23.4 °C |
| Boiling Point | 129.7 °C |
| Density | 0.9698 @ 20 °C |
| Solubility | Soluble in alcohol, ether and dilute acids. Also soluble in most organic chemicals. |
| Appearance | Colorless liquid with an agreeable odor like chloroform; Darkens on standing if oxygen not completely removed; [Merck Index] Yellowish or brown liquid; Turns brown when polymerized by light; [Hawle... |
| Also Known As | 1H-pyrrole; 1H-Pyrrole; 109-97-7; Azole; Divinylenimine; Imidole; Pyrrol; Monopyrrole; Divinyleneimine; 1-Aza-2,4-cyclopentadiene |
| Category | Organic Compounds |
What is Pyrrole?
1H-pyrrole is a tautomer of pyrrole that has the double bonds at positions 2 and 4. It is a secondary amine and a pyrrole. It is a tautomer of a 3H-pyrrole and a 2H-pyrrole.
Formula & Notation
IUPAC Name: 1H-pyrrole
Other Names / Synonyms: 1H-pyrrole; 1H-Pyrrole; 109-97-7; Azole; Divinylenimine; Imidole; Pyrrol; Monopyrrole; Divinyleneimine; 1-Aza-2,4-cyclopentadiene
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -23.4 °C |
| Boiling Point | 129.7 °C |
| Density | 0.9698 @ 20 °C |
| Molecular Weight | 67.09 |
| Solubility | Soluble in alcohol, ether and dilute acids. Also soluble in most organic chemicals. |
| Appearance | Colorless liquid with an agreeable odor like chloroform; Darkens on standing if oxygen not completely removed; [Merck Index] Yellowish or brown liquid; Turns brown when polymerized by light; [Hawle... |
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
1H-pyrrole is a tautomer of pyrrole that has the double bonds at positions 2 and 4. It is a secondary amine and a pyrrole. It is a tautomer of a 3H-pyrrole and a 2H-pyrrole.
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 Pyrrole is: C4H5N