Heneicosan

Structural formula
General
Surname	Heneicosan
other names	N-heneicosane
Molecular formula	C 21 H 44
Brief description	white solid
External identifiers / databases
EC number	211-118-9
ECHA InfoCard	100.010.109
PubChem	12403
Wikidata	Q150955
properties
Molar mass	296.57 g mol −1
Physical state	firmly
density	0.7919 g cm −3
Melting point	39-41 ° C
boiling point	356.1 ° C; 100 ° C (at 3 hPa);
Vapor pressure	<1 hPa (20 ° C)
solubility	practically insoluble in water; poorly soluble in ethanol;
Refractive index	1.444
safety instructions
GHS labeling of hazardous substances	no GHS pictograms
	no GHS pictograms
H and P phrases	H: no H-phrases
	P: no P-phrases
	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

Heneicosan is an organic chemical compound from the group of higher alkanes .

Occurrence

Heneicosan is one of the most important components of the essential oils of safflower ( Carthamus tinctorius ), of Tragopogon graminifolius and from the buds of bitter oranges . It is also found in petroleum.

properties

Heneicosan

Heneicosan is a white solid that is practically insoluble in water.

use

Heneicosan is found in candles and bitumen.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j data sheet Heneicosan, 98% from Sigma-Aldrich , accessed on March 7, 2016 ( PDF ).
↑ ^a ^b ^c ^d ^e William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 288 ( limited preview in Google Book search).
↑ Volkher Biese: Chemistry Basics, Applications, Experiments . Springer-Verlag, 2013, ISBN 978-3-322-85457-5 , p. 194 ( limited preview in Google Book search).
↑ Holger Watter: Regenerative Energy Systems Fundamentals, system technology and analyzes of examples of sustainable energy systems . Springer-Verlag, 2015, ISBN 978-3-658-09638-0 , pp. 179 ( limited preview in Google Book search).

[Sigma-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j data sheet Heneicosan, 98% from Sigma-Aldrich , accessed on March 7, 2016 ( PDF ).

[William_M._Haynes-2] William M. Haynes: CRC Handbook of Chemistry and Physics, 96th Edition . CRC Press, 2015, ISBN 978-1-4822-6097-7 , pp. 288 ( limited preview in Google Book search).

[Volkher_Biese-3] Volkher Biese: Chemistry Basics, Applications, Experiments . Springer-Verlag, 2013, ISBN 978-3-322-85457-5 , p. 194 ( limited preview in Google Book search).

[Holger_Watter-4] Holger Watter: Regenerative Energy Systems Fundamentals, system technology and analyzes of examples of sustainable energy systems . Springer-Verlag, 2015, ISBN 978-3-658-09638-0 , pp. 179 ( limited preview in Google Book search).