Heptanoic acid methyl ester
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Heptanoic acid methyl ester | |||||||||||||||
other names |
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Molecular formula | C 8 H 16 O 2 | |||||||||||||||
Brief description |
colorless liquid with a fruity odor |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 144.21 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.880 g cm −3 |
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Melting point |
−56 ° C |
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boiling point |
172-173 ° C |
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solubility |
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Refractive index |
1.411 (20 ° C) |
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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 |
Methyl heptanoate is a chemical compound from the group of carboxylic acid esters .
Occurrence
Heptanoic acid methyl ester was found in pineapples , hardy kiwis and salak fruits , as well as cranberries , papaya , blackberries , strawberries , peas , pepper , parmesan , hop oil , white wine , olives , star fruits , malt , bourbon vanilla, mountain papaya, endive , nectarine , lettuce , mussels , monkey orange and Rooibos tea (Aspalathus linearis) detected.
Extraction and presentation
Methyl heptanoate can be obtained by reacting heptanoic acid with methyl alcohol in the presence of hydrochloric acid or sulfuric acid.
properties
Methyl heptanoate is a colorless liquid with a fruity odor that is practically insoluble in water.
use
Heptanoic acid methyl ester is used as a flavoring substance .
safety instructions
The vapors of methyl heptanoate can form an explosive mixture with air ( flash point 52 ° C).
Individual evidence
- ↑ a b c d e f g h i j k l Entry on methyl heptanoate in the GESTIS substance database of the IFA , accessed on December 12, 2018(JavaScript required) .
- ↑ a b c d George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2004, ISBN 978-1-4200-3787-6 , pp. 1196 ( limited preview in Google Book search).
- ↑ a b Data sheet Methyl heptanoate, ≥99%, FG from Sigma-Aldrich , accessed on December 12, 2018 ( PDF ).