Cyclododecane
Definition of cyclododecane:
Cyclododecane is a saturated, alicyclical hydrocarbon. [1]
This is the common definition for cyclododecane, other definitions can be discussed in the article
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Notes
There are 2 main uses for cyclododecane: as an intermediate for the production of hexabromo cyclododecane (which is a flame retardant) a
Cyclododecane may be released to the environment in wastewater streams, fugitive emissions generated at sites of its industrial production and sites of its use (Hall Howard, 1997). If released to soil, it is not expected to leach. If released to water, it may volatilize and partition to sediment.
If released to the atmosphere, cyclododecane will abiotically be degraded. The rate constant for the vapour-phase reaction of cyclododecane with photochemically produced hydroxyl radicals has been estimated to be 1,67.10-11 cm3 /molecule-sec at 25°C, wich corresponds to an atmospheric half-life of about 23hr and a atmospheric concentration of 5.105
hydroxyl radicals par cm3 (Atkinson, 1987).
Reaction half-life with OH-radicals in the atmosphere was estimated at 22.7 hours by AopWin v1.91 (5*105 OH cm-3; 24 h day-1 ). No estimate for reaction with ozone was provided by the model. Alkanes are generally resistant to aqueous environmental hydrolysis (Lyman et al, 1990); therefore,
cyclododecane is not expected to hydrolyze in the environment.
