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EC number: 201-793-8 | CAS number: 88-04-0
AQUATIC FATE: Based on a classification scheme(1), an estimated Koc value of 1,400(SRC), determined from a log Kow of 3.27(2) and a regression-derived equation(3), indicates that chloroxylenol is expected to adsorb to suspended solids and sediment(SRC). Volatilization of chloroxylenol from water surfaces is not expected to be an important fate process(SRC) given an estimated Henry's Law constant of 5.1X10-7 atm-cu m/mol(SRC) derived using a fragment constant estimation method(4). According to a classification scheme(5), an estimated BCF of 66(SRC), from its log Kow(2) and a regression-derived equation(6), suggests the potential for bioconcentration in aquatic organisms is moderate(SRC). Degradation of chloroxylenol appears to be slower than other phenol derivatives(7,8). Studies in sewage showed 80-95% of the original compound remaining after 2 days and 60-70% remaining after 7 days(7). This is consistent with other studies that showed less than 40% degradation in activated sludge after 7 days(8).
[(1) Swann RL et al; Res Rev 85: 17-28 (1983) (2) Sangster J; LOGKOW Database. A databank of evaluated octanol-water partition coefficients (Log P). Available from database query at http://Logkow.cisti.nrc.ca/Logkow/search.html as of Feb 1, 2006. (3) Lyman WJ et al; Handbook of Chemical Property Estimation Methods. Washington, DC: Amer Chem Soc pp. 4-9, 5-5, 15-1 to 15-29 (1990) (4)Meylan WM, Howard PH; Environ Toxicol Chem 10: 1283-93 (1991) (5) Franke C et al; Chemosphere 29: 1501-14 (1994) (6) Meylan WM et al; Environ Toxicol Chem 18: 664-72 (1999) (7) Pauli O, Franke G; Proc Int Biodeteriation Symp 2nd pp. 52-60 (1971) (8) Paulus W, Genth H; Biodeteriation 5: 701-712 (1983)]
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