1,1,1-trifluoroacetone
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| Surname | 1,1,1-trifluoroacetone | |||||||||||||||
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| Molecular formula | C 3 H 3 F 3 O | |||||||||||||||
| Brief description |
colorless, clear liquid |
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| properties | ||||||||||||||||
| Molar mass | 112.05 g mol −1 | |||||||||||||||
| Physical state |
liquid |
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| density |
1.252 g cm −3 |
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| boiling point |
22 ° C |
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| Vapor pressure |
13.62 psi (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 . | ||||||||||||||||
1,1,1-Trifluoroacetone is a fluorinated derivative of acetone with the empirical formula C 3 H 3 F 3 O. In contrast to fluoroacetone , the compound has three fluorine atoms . It is a colorless liquid.
properties
1,1,1-trifluoroacetone is a colorless liquid at room temperature. In contrast to fluoroacetone , the compound changes to a gaseous state from 22 ° C and into a solid state from −78 ° C. 1,1,1-trifluoroacetone is extremely flammable due to its low boiling point ; the compound has a flash point of −30 ° C. The vapors of 1,1,1-trifluoroacetone can form an explosive mixture with air above the flash point.
use
1,1,1-Trifluoroacetone can be used as an oxidizing agent in the Oppenauer oxidation , it being possible to specifically oxidize hydroxyl groups of secondary alcohols in the presence of hydroxyl groups of primary alcohols.
See also
Individual evidence
- ↑ a b c d e f data sheet 1,1,1-trifluoroacetone from Sigma-Aldrich , accessed on November 14, 2014 ( PDF ).
- ↑ Rossella Mello, Jaime Martínez-Ferrer, Gregorio Asensio, María Elena González-Núñez: Oppenauer Oxidation of Secondary Alcohols with 1,1,1-Trifluoroacetone as Hydride Acceptor . In: The Journal of Organic Chemistry . tape 72 , no. 24 , November 1, 2007, pp. 9376-9378 , doi : 10.1021 / jo7016422 .