8.45055
Pyrrole
Synonym(s):
Pyrrole
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About This Item
Empirical Formula (Hill Notation):
C4H5N
CAS Number:
Molecular Weight:
67.09
UNSPSC Code:
12352005
MDL number:
vapor pressure
8.7 hPa ( 20 °C)
Quality Segment
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
Analysis Note
Colour (visual): yellow
Appearance of substance (visual): liquid
Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.967 - 0.971
Identity (IR): passes test
Appearance of substance (visual): liquid
Assay (GC, area%): ≥ 97.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.967 - 0.971
Identity (IR): passes test
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Storage Class
3 - Flammable liquids
Certificates of Analysis (COA)
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