1,4-Cyclohexanedione
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Names | |
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IUPAC name
1,4-Cyclohexanedione | |
Identifiers | |
637-88-7 ![]() | |
3D model (Jmol) | Interactive image |
ChEBI | CHEBI:28286 ![]() |
ChemSpider | 11995 ![]() |
ECHA InfoCard | 100.010.279 |
EC Number | 211-306-0 |
KEGG | C08063 ![]() |
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Properties | |
C6H8O2 | |
Molar mass | 112.127 g/mol |
Melting point | 77 to 78.5 °C (170.6 to 173.3 °F; 350.1 to 351.6 K) |
Boiling point | 130 to 133 °C (266 to 271 °F; 403 to 406 K) (20 mm.) |
Hazards | |
S-phrases | S22,S23,S24,S25 |
Flash point | 132 °C (270 °F; 405 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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Infobox references | |
1,4-Cyclohexanedione is an organic compound. This tan or yellow crystalline solid is one of the three isomeric cyclohexanediones. This particular diketone is used as a building block in the synthesis of more complex molecules.
Preparation
1,4-Cyclohexanedione is prepared in two steps from diesters of succinic acid. For example under basic conditions, the diethyl ester condenses to give 2,5-dicarbethoxy-1,4-cyclohexanedione. This intermediate can be hydrolysed and decarboxylated to afford the desired dione.[2]
References
- ↑ MSDS for 1,4-Cyclohexanedione
- ↑ Arnold T. Nielsen and Wayne R. Carpenter (1973). "1,4-Cyclohexanedione". Org. Synth.; Coll. Vol., 5, p. 288
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