Isopropyl propionate
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Isopropyl propionate | ||||||||||||||||||
other names |
Isopropyl propionate |
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Molecular formula | C 6 H 12 O 2 | ||||||||||||||||||
Brief description |
colorless liquid with an aromatic odor |
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External identifiers / databases | |||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 116.16 g mol −1 | ||||||||||||||||||
Physical state |
liquid |
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density |
0.87 g cm −3 |
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Melting point |
−76 ° C |
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boiling point |
109-110 ° C |
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solubility |
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Refractive index |
1.384-1.390 (20 ° C) |
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safety instructions | |||||||||||||||||||
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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 |
Isopropyl propionate is a chemical compound from the group of carboxylic acid esters .
Occurrence
Isopropyl propionate has been found in raspberries , currants , kumquat peel oil , papaya and plum brandy.
Extraction and presentation
Isopropyl propionate can be obtained by direct esterification of a benzene solution in the presence of p-toluenesulfonic acid. It can also be represented by the reaction of isopropyl alcohol with sulfuric acid and propionic acid .
properties
Isopropyl propionate is a highly flammable, colorless liquid with an aromatic odor that is sparingly soluble in water. The compound has a bittersweet taste reminiscent of plums.
use
Isopropyl propionate is used as a flavoring agent.
safety instructions
The vapors of isopropyl propionate can form an explosive mixture with air ( flash point approx. 12 ° C, ignition temperature 425 ° C).
Individual evidence
- ↑ a b c d e f g h i j Entry on isopropyl propionate in the GESTIS substance database of the IFA , accessed on December 11, 2018(JavaScript required) .
- ↑ a b c d e f George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2004, ISBN 1-4200-3787-0 , pp. 972 ( limited preview in Google Book Search).
- ↑ Entry on isopropyl propionate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 11, 2018. Manufacturers or distributors can expand the harmonized classification and labeling .
- ^ Alfred Wagner: Aroma substances; Short manual for flavor and non-alcoholic drinks ... Steinkopff, 1933, OCLC 1123367234 , p. 78 ( limited preview in Google Book search).