Nicotyrine

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Structural formula
Structural formula of nicotyrine
General
Surname Nicotyrine
other names
  • 3- (1-methyl-pyrrol-2-yl) pyridine
  • 1-methyl-2- (3-pyridyl) pyrrole
  • 3- (1-methyl-1 H -pyrrole-2-yl) -pyridine
  • α-nicotyrine
Molecular formula C 10 H 10 N 2
External identifiers / databases
CAS number 487-19-4
EC number 207-651-1
ECHA InfoCard 100.006.956
PubChem 10249
Wikidata Q1987338
properties
Molar mass 158.20 g · mol -1
Physical state

liquid

density

1.24 g cm −3 (20 ° C)

boiling point

280–281 ° C (at 992 h Pa )

Refractive index

1.6057

safety instructions
GHS hazard labeling
no classification available
Toxicological data
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

Nicotyrin is a chemical compound from the class of heterocycles . It consists of a pyridine ring and a methyl- substituted pyrrole ring , which are linked by their rings.

Occurrence

Field with tobacco plants

Nicotyrin is one of the tobacco alkaloids and occurs naturally in tobacco plants . In a comparison of 52 smoking tobacco, 0.08–0.4 mg nicotyrine could be detected per gram of tobacco.

presentation

Nicotyrin can chemically by dehydration of nicotine on palladium are recovered.

Individual evidence

  1. a b c R. L. Frank, RW Holley, DM Wikholm: 3,2′-nicotyrine. Insecticidal Properties of Certain Azo Derivatives , in: J. Am. Chem. Soc. , 1942 , 64 , pp. 2835-2838.
  2. F. Blau: Zur Constitution des Nicotins , in: Chem. Ber. , 1894 , 27 , pp. 2535-2539.
  3. This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
  4. a b c Entry on α-nicotyrine in the ChemIDplus database of the United States National Library of Medicine (NLM), accessed on July 31, 2018 or earlier.
  5. Careen Merckel, Fritz Pragst : Analysis of cigarettes on additives , Institute of Forensic Medicine, Charité Berlin, 2005..