Product Name
Pyrrole, Reagent
Description
Liquid;Liquid;Colourless to yellowish liquid; Nutty, sweet, warm, ethereal aroma
Molecular Weight
67.09g/mol
Canonical SMILES
C1=CNC=C1
InChI
InChI=1S/C4H5N/c1-2-4-5-3-1/h1-5H
InChI Key
KAESVJOAVNADME-UHFFFAOYSA-N
Boiling Point
129.7 °C;129.7 °C
Melting Point
-23.4 °C;Mp -24 °;-23.4 °C;-24°C
Flash Point
102 °F (39 °C) (CLOSED CUP)
Density
d204 0.97;0.9698 @ 20 °C;0.955-0.975
Solubility
0.67 M;45 mg/mL at 25 °C;Soluble in alcohol, ether and dilute acids. Also soluble in most organic chemicals.;Water solubility: 4.5X10+4 mg/l @ 25 °C;45 mg/mL at 25 °C;Soluble in most fixed oils; Slightly soluble in water;Soluble (in ethanol)
Color/Form
Colorless liquid when fresh;Yellowish or brown oil
Covalently-Bonded Unit Count
1
EC Number
240-327-8;203-724-7
Heat of Vaporization
10.79 kcla/mol @ 25 °C
Log P
0.75 (LogP);0.75;log Kow = 0.75;0.75
MeSH Entry Terms
polypyrrole
Monoisotopic Mass
67.042199g/mol
Odor
Agreeable empyreumatic odor resembling that of chloroform
Other Experimental
Polymerizes under influence of acids and glycols; soln in dil hydrogen chloride yield pyrrole red, an amorphous, orange-colored substance;Decomposes in acid; Conversion factors: 1 mg/l= 3.64 ppm; 1 ppm= 2.74 mg/cu m;Hydroxyl radical rate constant = 1.1X10-10 cu m/molc-sec @ 25 °C;Henry's Law constant = 1.80X10-5 atm-cu m/mol @ 25 °C;Hygroscopic
Refractive Index
n20D 1.5085;Index of refraction: 1.5085 @ 20 °C/D;1.507-1.510
Stability
DARKENS ON STANDING WITH EXPOSURE TO AIR.
Vapor Density
2.31 (Air= 1)
Vapor Pressure
8.36 mmHg;8.35 mm Hg @ 25 dec C
Viscosity
4.1123X10-3 Pa.s @ 249.74K