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|Molar mass||168.06 g mol−1|
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Cyclohexanehexone, also known as hexaketocyclohexane and triquinoyl, is an organic compound with formula C6O6, the sixfold ketone of cyclohexane. It is an oxide of carbon (an oxocarbon), indeed a hexamer of carbon monoxide.
 Related compounds
Cyclohexanehexone can be viewed as the neutral counterpart of the rhodizonate anion C6O2−
6. The singly charged anion C6O−
6 has been detected in mass spectrometry experiments by R. Wyrwas and C. Jarrold, formed by oligomerization of carbon monoxide through the formation molybdenum carbonyls.
According to X-ray diffraction analysis, the reagent traded under the name "cyclohexanehexone octahydrate" or equivalent names is actually dodecahydroxycyclohexane dihydrate, a solid that decomposes at 95 °C.
In 1966, H. E. Worne of Natick Chemical Industries patented compounds with formulas C10O8 and C14O10, which can be described as the fusion of two or three molecules of C6O6, claimed to be produced by the action of ultraviolet radiation on a hot water solution of the parent compound.
 Triquinoyl therapy
In the late 1940s, W. Hale claimed that triquinoyl, being a trimer of W. Koch's glyoxylide, should be just as effective as the latter against "diabetes, arthritis, poliomyelitis, and even cancer". Even though there is no research supporting this claim (and Koch's glyoxylide preparations were found to be just distilled water), triquinoyl is still listed as an ingredient of some alternative medicine remedies.
- Gunther Seitz; Peter Imming (1992). "Oxocarbons and pseudooxocarbons". Chemical Reviews 92 (6): 1227–1260. doi:10.1021/cr00014a004.
- Detlef Schröder,; Helmut Schwarz, Suresh Dua, Stephen J. Blanksby and John H. Bowie (1999). "Mass spectrometric studies of the oxocarbons CnOn (n = 3–6)". International Journal of Mass Spectrometry 188 (1–2): 17–25. doi:10.1016/S1387-3806(98)14208-2.
- Wyrwas, Richard B.; Jarrold, Caroline Chick (2006). "Production of C6O6-from Oligomerization of CO on Molybdenum Anions". Journal of the American Chemical Society 128 (42): 13688–9. doi:10.1021/ja0643927. PMID 17044687.
- Thomas M. Klapötke; Kurt Polborn and Jan J. Weigand (2005). "Dodecahydroxycyclohexane dihydrate". Acta Crystallographica E 61 (5): o1393. doi:10.1107/S1600536805010007.
- Person, Willis B.; Williams, Dale G. (1957). Journal of Physical Chemistry 61 (7): 1017. doi:10.1021/j150553a047.
- Howard E Worne, U.S. Patent 3,227,641 "Polycarbonyls", issued Jan 4, 1966
- William J. Hale (1949), "Farmer Victorious"
- William W. Goodrich (1986), interview for FDA History (Part 2)
- U. S. Food and Drug Administration (1989), Import Alert #66-46 – Unapproved Version of Rodaquin
- Renewal & Wellness, LLC (2009) Protocel, an alternative medicine claimed to contain triquinoyl. Last accessed on March 25, 2009
 See also