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49817

Pyrrole

analytical standard

Synonym(s):

Azole, Divinylenimine, Imidole

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About This Item

Empirical Formula (Hill Notation):
C4H5N
CAS Number:
109-97-7
Molecular Weight:
67.09
UNSPSC Code:
85151701
NACRES:
NA.24
PubChem Substance ID:
329757530
EC Number:
203-724-7
Beilstein/REAXYS Number:
1159
MDL number:
MFCD00005216
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grade

analytical standard

Quality Segment

100

vapor density

2.31 (vs air)

assay

≥98.0% (GC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤98.0% water

refractive index

n20/D 1.508 (lit.), n20/D 1.508-1.511

bp

131 °C (lit.)

mp

−23 °C (lit.)

density

0.967 g/mL at 25 °C (lit.)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

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

Application

Pyrrole is used as one of the building blocks of biochemical macrocycles such as chlorins, porphyrins and corrins. It is also used for many technologically relevel applications such as in organometallic complexes and precursor molecules for self-assembled monolayers on metal surfaces.
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Danger

Hazard Classifications

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

Storage Class

3 - Flammable liquids

wgk

WGK 2

flash_point_f

96.8 °F - closed cup

flash_point_c

36 °C - closed cup

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