Basic information Heterocyclic compound Chemical Properties Uses Production methods Hazards & Safety Information Safety Related Supplier
Pyrrole Structure

Pyrrole

Chemical Properties

Melting point -23 °C (lit.)
Boiling point 131 °C (lit.)
Density  0.967 g/mL at 25 °C (lit.)
vapor density  2.31 (vs air)
vapor pressure  8.7 hPa (20 °C)
FEMA  3386 | PYRROLE
refractive index  n20/D 1.508(lit.)
Flash point 92 °F
storage temp.  Store at +2°C to +8°C.
solubility  60g/l
pka 15(at 25℃)
form  Liquid
color  Clear almost colorless to brownish
PH >6 (10g/l, H2O, 20℃)
Odor at 0.10 % in propylene glycol. sweet warm nutty ethereal
Odor Type nutty
explosive limit 3.10-14.8%(V)
Water Solubility  60 g/L (20 ºC)
Sensitive  Air & Light Sensitive
Merck  14,8014
JECFA Number 1314
BRN  1159
Dielectric constant 7.5(17℃)
Stability Stable. Incompatible with strong acids, strong oxidizing agents. Combustible.
InChIKey KAESVJOAVNADME-UHFFFAOYSA-N
LogP 0.85
CAS DataBase Reference 109-97-7(CAS DataBase Reference)
NIST Chemistry Reference Pyrrole(109-97-7)
EPA Substance Registry System 1H-Pyrrole (109-97-7)

Safety Information

Hazard Codes  T
Risk Statements  10-20-25-41
Safety Statements  26-37/39-45-39-24-16
RIDADR  UN 1992 3/PG 3
WGK Germany  2
RTECS  UX9275000
8-10-23
Autoignition Temperature 550 °C
TSCA  Yes
HazardClass  3
PackingGroup  III
HS Code  29339900
Hazardous Substances Data 109-97-7(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 137 mg/kg

MSDS

Usage And Synthesis

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