Acetic acid n -hexyl ester
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Acetic acid n -hexyl ester | |||||||||||||||
other names |
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Molecular formula | C 8 H 16 O 2 | |||||||||||||||
Brief description |
colorless liquid with an aromatic odor |
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properties | ||||||||||||||||
Molar mass | 144.21 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.87 g cm −3 |
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Melting point |
−80 ° C |
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boiling point |
171.5 ° C |
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Vapor pressure |
4.73 hPa (40 ° C) |
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solubility |
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Refractive index |
1.409 (20 ° C, 589 nm) |
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safety instructions | ||||||||||||||||
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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 |
Acetic acid n- hexyl ester (also: hexyl acetate ) is a chemical compound from the group of carboxylic acid esters .
Occurrence
Acetic acid n -hexyl ester occurs naturally in apples and other fruits as well as in alcoholic beverages .
Extraction and presentation
Acetic acid n -hexyl ester can be obtained by the acid-catalyzed esterification of 1-hexanol with acetic acid.
properties
Acetic acid n- hexyl ester is a colorless liquid with an aromatic odor that is very sparingly soluble in water.
use
Acetic acid n -hexyl ester is used as the solvent . It is particularly suitable for dissolving resins , polymers , cellulose derivatives ( but cellulose acetate is insoluble), fats and oils . Small amounts are used as leveling agents in paints .
Due to its sweet, fruity, pear-like smell , it is used in fruity synthetic flavors .
safety instructions
The vapors of acetic acid n -hexyl ester can form an explosive mixture with air ( flash point 56 ° C, ignition temperature 265 ° C).
Individual evidence
- ↑ a b c d e f g h i j k l Entry on hexyl acetate in the GESTIS substance database of the IFA , accessed on February 1, 2016(JavaScript required) .
- ^ Richard J. Lewis, Sr .: Hawley's Condensed Chemical Dictionary . 15th edition. Wiley-Interscience, 2007, ISBN 978-0-471-76865-4 (English).
- ↑ Data sheet hexyl acetate (PDF) from Merck , accessed on March 23, 2012.
- ↑ C. Bauer-Christoph, Norbert Christoph, M. Rupp: Spirituosenanalytik. Behr, 2009, ISBN 978-3-89947-440-4 , p. 44 ( limited preview in Google book search)
- ↑ a b Fahlbusch, Karl-Georg and Hammerschmidt, Franz-Josef and Panten, Johannes and Pickenhagen, Wilhelm and Schatkowski, Dietmar and and Bauer, Kurt and Garbe, Dorothea and Surburg, Horst: Flavors and Fragrances . In: Ullmann's Encyclopedia of Industrial Chemistry . Wiley-VCH Verlag GmbH & Co. KGaA, 2000, ISBN 978-3-527-30673-2 , doi : 10.1002 / 14356007.a11_141 .
- ↑ Data sheet hexyl acetate ( memento from September 23, 2006 in the Internet Archive ) from Silbermann, accessed on March 26, 2012 (PDF; 171 kB).
- ^ Dieter Stoye: Solvents . In: Ullmann's Encyclopedia of Industrial Chemistry . Wiley-VCH Verlag GmbH & Co. KGaA, 2000, ISBN 978-3-527-30673-2 , doi : 10.1002 / 14356007.a24_437 .