1-undecanol

Structural formula
General
Surname	1-undecanol
other names	Undecan-1-ol; Undecyl alcohol; UNDECYL ALCOHOL ( INCI ) ;
Molecular formula	C 11 H 24 O
Brief description	colorless liquid
External identifiers / databases
EC number	203-970-5
ECHA InfoCard	100.003.609
PubChem	8184
ChemSpider	7892
Wikidata	Q161686
properties
Molar mass	172.31 g mol −1
Physical state	liquid
density	0.83 g cm −3 (20 ° C)
Melting point	11-16 ° C
boiling point	243 ° C
solubility	practically insoluble in water
Refractive index	1.4392 (20 ° C)
safety instructions
H and P phrases	H: 319-410
	P: 273-305 + 351 + 338
	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

1-Undecanol (also undecyl alcohol) is a long-chain alcohol with the empirical formula C ₁₁ H ₂₃ OH.

Occurrence

1-Undecanol occurs naturally in many fruits such as apples and bananas.

Presentation and extraction

The technical synthesis can take place via the oxo synthesis and subsequent hydrogenation . 1-Undecanol can also be obtained by reducing 1-Undecanal .

properties

1-Undecanol is a colorless, oily, citrus-like smelling liquid at room temperature and has a greasy taste. It melts at 11-16 ° C and boils at 243 ° C. The density of 1-undecanol is 0.83 g cm ⁻³ at 20 ° C. 1-Undecanol is practically insoluble in water.

use

It is used as a flavoring in the food industry.

Individual evidence

↑ Entry on UNDECYL ALCOHOL in the CosIng database of the EU Commission, accessed on February 25, 2020.
↑ ^a ^b ^c ^d ^e ^f ^g ^h Entry on 1-undecanol in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .
↑ David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-516.
↑ ^a ^b Shmuel Yannai: Dictionary of Food Compounds with CD-ROM . Chapman & Hall / CRC, Boca Raton 2004, ISBN 1-58488-416-9 , pp. 1413 .

[CosIng-1] Entry on UNDECYL ALCOHOL in the CosIng database of the EU Commission, accessed on February 25, 2020.

[GESTIS-2] ↑ ^a ^b ^c ^d ^e ^f ^g ^h Entry on 1-undecanol in the GESTIS substance database of the IFA , accessed on January 8, 2020(JavaScript required) .

[CRC90_3_516-3] David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 90th edition. (Internet version: 2010), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-516.

[Yannai-4] Shmuel Yannai: Dictionary of Food Compounds with CD-ROM . Chapman & Hall / CRC, Boca Raton 2004, ISBN 1-58488-416-9 , pp. 1413 .