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131709

Sigma-Aldrich

Pyrrole

reagent grade, 98%

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Synonym(s):
Azole, Divinylenimine, Imidole
Empirical Formula (Hill Notation):
C4H5N
CAS Number:
Molecular Weight:
67.09
Beilstein:
1159
EC Number:
MDL number:
eCl@ss:
39151603
PubChem Substance ID:
NACRES:
NA.22

grade

reagent grade

Quality Level

vapor density

2.31 (vs air)

Assay

98%

form

liquid

refractive index

n20/D 1.508 (lit.)

bp

131 °C (lit.)

mp

−23 °C (lit.)

density

0.967 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

c1cc[nH]c1

InChI

1S/C4H5N/c1-2-4-5-3-1/h1-5H

InChI key

KAESVJOAVNADME-UHFFFAOYSA-N

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General description

Pyrrole is a heterocyclic aromatic compound that can undergo electrophilic aromatic substitution.

Application

Pyrrole was used in the electropolymerisation of macroporous conducting polymer films. It was also used to study the hydrogen-bond mediated coupling of 1,2,3-triazole to pyrrole.

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 3

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

96.8 °F - closed cup

Flash Point(C)

36 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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