Ethyl 3-mercaptopropionate
Structural formula | |||||||||||||||||||
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General | |||||||||||||||||||
Surname | Ethyl 3-mercaptopropionate | ||||||||||||||||||
other names |
3-mercaptopropionic acid ethyl ester |
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Molecular formula | C 5 H 10 O 2 S | ||||||||||||||||||
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properties | |||||||||||||||||||
Molar mass | 134.20 g mol −1 | ||||||||||||||||||
density |
1.059 g / mL |
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boiling point |
75-76 ° C |
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Refractive index |
1.457 (at 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 |
Ethyl 3-mercaptopropionate is a chemical compound from the groups of esters and thiols .
properties
Ethyl 3-mercaptopropionate occurs naturally in Vitis labrusca (chestnut vine) and Carica pubescens (mountain papaya). It is a typical flavoring from Camembert and Munster cheeses. It also occurs in champagne and increases there with age. In low concentrations it has a fruity, grape and rhubarb- like odor. According to another source, it has a musky - and meaty odor.
Individual evidence
- ↑ a b c d e f data sheet ethyl 3-mercaptopropionate from Sigma-Aldrich , accessed on September 14, 2018 ( PDF ).
- ↑ a b George A. Burdock: Fenaroli's Handbook of Flavor Ingredients, Sixth Edition. CRC Press, 2016, ISBN 978-1-420-09086-4 , p. 621.
- ↑ a b A. M. Sourabié, HE Spinnler, P. Bonn arms, A. Saint-Eve, p Landaud: Identification of a powerful aroma compound in munster and camembert cheeses: ethyl 3-mercaptopropionates. In: Journal of agricultural and food chemistry. Volume 56, Number 12, June 2008, pp. 4674-4680, doi : 10.1021 / jf800307d , PMID 18512934 .
- ↑ T. Tominaga, G. Guimbertau, D. Dubourdieu: Role of certain volatile thiols in the bouquet of aged champagne wines. In: Journal of agricultural and food chemistry. Volume 51, Number 4, February 2003, pp. 1016-1020, doi : 10.1021 / jf020755k , PMID 12568565 .