Merck
All Photos(2)

W338605

Sigma-Aldrich

Pyrrole

≥98%, FCC, FG

Synonym(s):
Azole, Divinylenimine, Imidole
Empirical Formula (Hill Notation):
C4H5N
CAS Number:
Molecular Weight:
67.09
FEMA Number:
3386
Beilstein:
1159
EC Number:
Council of Europe no.:
2381
MDL number:
PubChem Substance ID:
Flavis number:
14.041
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG

Agency

meets purity specifications of JECFA

reg. compliance

EU Regulation 1334/2008 & 872/2012
FCC
FDA 21 CFR 110

vapor density

2.31 (vs air)

assay

≥98%

refractive index

n20/D 1.508 (lit.)

bp

131 °C (lit.)

mp

−23 °C (lit.)

density

0.967 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

nutty; ethereal; sweet

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 one of the flavor compounds that is formed in thermally processed foods due to the Maillard reaction.

Packaging

100 g in glass bottle
1 kg in glass bottle
5 kg in steel drum

Legal Information

For R&D Use and/or Food Manufacturing only

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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