1,2-Cyclobutanedione
| Names | |
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| Preferred IUPAC name
Cyclobutane-1,2-dione | |
| Identifiers | |
3D model (JSmol)
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| ChemSpider | |
| ECHA InfoCard | 100.187.120 |
PubChem CID
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CompTox Dashboard (EPA)
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| Properties | |
| C4H4O2 | |
| Molar mass | 84.074 g·mol−1 |
| Appearance | yellow solid |
| Melting point | 65 °C (149 °F; 338 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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1,2-Cyclobutanedione is an organic compound with the formula (CH2)2(CO)2. It is one of two isomers of cyclobutanedione, the other being 1,3-cyclobutanedione. It is prone to polymerization. It is prepared by desilylation of 1,2-bis(trimethylsiloxy)cyclobutene.