Isobutyric acid methyl ester
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| General | |||||||||||||||||||
| Surname | Isobutyric acid methyl ester | ||||||||||||||||||
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| Molecular formula | C 5 H 10 O 2 | ||||||||||||||||||
| Brief description |
colorless liquid with a pleasant odor |
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| properties | |||||||||||||||||||
| Molar mass | 102.13 g mol −1 | ||||||||||||||||||
| Physical state |
liquid |
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| density |
0.8906 g cm −3 |
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| Melting point |
−84.65 ° C |
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| boiling point |
92.3 ° C |
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| Vapor pressure |
49 hPa (20 ° C) |
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| solubility |
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| Refractive index |
1.3840 (20 ° C) |
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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 | |||||||||||||||||||
Isobutyric acid methyl ester is a chemical compound from the group of carboxylic acid esters .
Occurrence
Isobutyrate was in Russian champagne , among the volatile content of strawberry juice, apple juice, banana , Kumquatschalenöl, blueberries , melons , papaya , pineapple , strawberry , fried potatoes , star fruit , dill , custard apple , kiwi, Loquat , naranjilla -Frucht and cape gooseberry detected.
Extraction and presentation
The compound can be prepared by esterification of methanol with isobutyric acid are obtained.
properties
Methyl isobutyrate is a highly flammable, volatile, colorless liquid with a pleasant odor that is sparingly soluble in water.
use
Methyl isobutyrate is used as a flavoring and as an intermediate in the manufacture of other chemical compounds. It can also be used as a solvent.
safety instructions
The vapors of methyl isobutyrate can form an explosive mixture with air ( flash point 3 ° C).
Individual evidence
- ↑ a b c d e f g h i j k Entry on isobutyric acid methyl ester in the GESTIS substance database of the IFA , accessed on December 20, 2018(JavaScript required) .
- ↑ a b David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 0-8493-0595-0 , pp. 390 ( limited preview in Google Book Search).
- ↑ Data sheet Methyl isobutyrate, 98% from AlfaAesar, accessed on December 20, 2018 ( PDF )(JavaScript required) .
- ^ A b c S. Gangolli, Royal Society of Chemistry (Great Britain): The Dictionary of Substances and Their Effects . Royal Society of Chemistry, 1999, ISBN 0-85404-828-6 , pp. 477 ( limited preview in Google Book search).
- ↑ a b c George A. Burdock: Fenaroli's Handbook of Flavor Ingredients . CRC Press, 2004, ISBN 1-4200-3787-0 , pp. 1215 ( limited preview in Google Book search).
- ↑ Ibert Mellan: Industrial solvents handbook . Noyes Data Corp., 1977, ISBN 0-8155-0651-1 , pp. 189 ( limited preview in Google Book search).