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2,2,6-trimethyl-a-propylcyclohexanepropanol (CAS 70788-30-6) is characterized by low water solubility (2.00 mg/L, 20 °C), low vapour pressure (0.01 Pa, 20 °C), a high log Kow of 5.662 (25 °C) and a log Koc of 3.41 (25 °C), indicating a potential for sorption to sediment and soil. The substance is not readily biodegradable (12.43% within 28 d, BODIS test) and abiotic degradation in water is not a relevant degradation pathway because the substance does not contain hydrolysable functional groups. The calculated Henry’s Law Constant (113.21 Pa*m3/mole) indicates that the substance has a potential to evaporate from the water phase to the atmosphere.