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8.07492

Sigma-Aldrich

Pyrrole

for synthesis

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Synonym(s):
Pyrrole
Empirical Formula (Hill Notation):
C4H5N
CAS Number:
109-97-7
Molecular Weight:
67.09
MDL number:
MFCD00005216
UNSPSC Code:
12352005
EC Index Number:
203-724-7
NACRES:
NA.22

vapor pressure

8.7 hPa ( 20 °C)

Quality Level

200

Assay

≥97.0% (GC)

form

liquid

autoignition temp.

550 °C

potency

137 mg/kg LD50, oral (Rat)

expl. lim.

3.10-14.8 % (v/v)

pH

>6 (20 °C, 10 g/L in H2O)

bp

130-131 °C/1013 hPa

mp

-24 °C

transition temp

flash point 39 °C

density

0.97 g/cm3 at 20 °C

storage temp.

2-8°C

InChI

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

InChI key

KAESVJOAVNADME-UHFFFAOYSA-N

Application

  • Therapeutic potential of pyrrole and pyrrolidine analogs: This review highlights the significant therapeutic potential of pyrrole derivatives, particularly in pharmacological contexts, underscoring their importance in drug development (Basha et al., 2022).
  • Living on pyrrolic foundations–Advances in natural and artificial bioactive pyrrole derivatives: Discusses the role of pyrrole as a crucial building block in bioactive compounds, emphasizing its versatility and broad application range in medicine and synthetic chemistry (Domagala et al., 2015).
  • Active methylenes in the synthesis of a pyrrole motif: Reviews recent advancements in synthesizing pyrrole motifs using active methylenes, crucial for developing pharmaceuticals and optoelectronic materials (Khajuria et al., 2016).
  • Bioactive pyrrole-based compounds with target selectivity: Focuses on pyrrole-based compounds in drug discovery, highlighting their efficacy and target selectivity which are pivotal in the development of new therapeutics (Petri et al., 2020).
  • Pyrrole as a promising electrolyte additive to trap polysulfides for lithium-sulfur batteries: Explores the use of pyrrole in enhancing the efficiency of lithium-sulfur batteries, demonstrating its utility beyond pharmaceutical applications (Yang et al., 2017).

Analysis Note

Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.967 - 0.971
Identity (IR): passes test

Signal Word

Danger

Hazard Statements

H226 - H301 - H318 - H332

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

Regulatory Information

危险化学品

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