Propionic acid tert -butyl ester
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Propionic acid tert -butyl ester | |||||||||||||||
other names |
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Molecular formula | C 7 H 14 O 2 | |||||||||||||||
Brief description |
colorless liquid with a pleasant, apple-like odor |
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properties | ||||||||||||||||
Molar mass | 130.19 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.87 g cm −3 |
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boiling point |
116-118 ° C |
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solubility |
practically insoluble in water (approx. 2 g l −1 at 25 ° C) |
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Refractive index |
1.393 (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 |
Propionic acid tert-butyl ester is a chemical compound from the group of carboxylic acid esters .
properties
Propionic acid tert-butyl ester is an easily flammable colorless liquid with a pleasant, apple-like odor, which is practically insoluble in water.
use
Propionic acid tert-butyl ester is used as a flavoring agent. The compound can also be used to synthesize other chemical compounds (for example zoapatanol ).
safety instructions
The vapors of propionic acid tert -butyl ester can form an explosive mixture with air ( flash point 16 ° C, ignition temperature > 300 ° C).
Individual evidence
- ↑ a b c d e f g h i entry to propionic acid tert-butyl ester in the GESTIS database of IFA , retrieved on December 30, 2018(JavaScript required) .
- ↑ Data sheet tert-Butyl propionate, 99% from Sigma-Aldrich , accessed on December 30, 2018 ( PDF ).
- ↑ Entry on tert-butyl propionate in the Classification and Labeling Inventory of the European Chemicals Agency (ECHA), accessed on December 30, 2018. Manufacturers or distributors can expand the harmonized classification and labeling .
- ↑ EU: (EU) No. 872/2012 OF THE COMMISSION of October 1, 2012 laying down the list of flavoring substances in accordance with Regulation (EC) No. 2232/96 of the European Parliament and of the Council, including this list in Annex I of Regulation (EC) No. 1334/2008 of the European Parliament and of the Council and repealing Commission Regulation (EC) No. 1565/2000 and Commission Decision 1999/217 / EC , accessed on December 30, 2018.
- ↑ Michael Harmata: Strategies and Tactics in Organic Synthesis . Elsevier, 2011, ISBN 978-0-08-055602-4 , pp. 69 ( limited preview in Google Book search).