N-(1,3-Dimethylbutyl)-N

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OECD SIDS N-(1,3-DIMETHYLBUTYL)-N´-PHENYL-1,4-PHENYLENEDIAMINE 3. ENVIRONMENTAL FATE AND PATHWAYS ID: 793-24-8 DATE: 11.05.2005 BCF : 16 - 30 Elimination : Method : other: calculation: EPIWIN BCFWIN Year : 2004 GLP : Test substance : other TS: 4-hydroxydiphenylamine Method : Equation used to make BCF estimate (BCFWIN v2.14) for 4- hydroxydiphenylamine: log BCF = 0.77 log Kow - 0.70 log Kow (estimated): 2.46 Estimated log BCF = 1.1942 (BCF = 15.64) log Kow (experimental): 2.82 Estimated log BCF = 1.471 (BCF = 29.61) Reliability : (2) valid with restrictions Accepted calculation method Flag : Critical study for SIDS endpoint 04.11.2004 (32) BCF : 490 Elimination : Method : other: calculated Year : 1992 GLP : Test substance : Reliability : (4) not assignable Documentation insufficient for assessment 24.06.2003 (26) 3.8 ADDITIONAL REMARKS Memo : Geoccummulation 03.11.2004 Memo : Protective effect on rubber Remark : 1.4-Benzenediamine, N-(1.3-dimethylbutyl)-N'-phenyl decreases the degradation rate of unprotected rubber (vulcanisate) in water. 03.11.2004 (45) 74 UNEP PUBLICATIONS
OECD SIDS N-(1,3-DIMETHYLBUTYL)-N´-PHENYL-1,4-PHENYLENEDIAMINE 4. ECOTOXICITY ID: 793-24-8 DATE: 11.05.2005 4.1 ACUTE/PROLONGED TOXICITY TO FISH Type : flow through Species : Oryzias latipes (Fish, fresh water) Exposure period : 96 hour(s) Unit : mg/l Limit test : Analytical monitoring : Yes Method : OECD Guide-line 203 "Fish, Acute Toxicity Test" Year : 2001 GLP : Yes Test substance : other TS: Purity > 91 % Result : · Nominal concentrations: (main test): 0, 0.15, 0.22, 0.34, 0.51, 0.76, and 1.14 mg/l (main test) (supplemental test): 0.07 and 0.10 mg/l · Measured concentrations : (Main test) Nom.conc.(mg/l) Meas.conc.(mg/l) Percent of nominal 0 hour 24 hour Geom. 0 hour 24 hour mean Control (0) < 0.04 < 0.04 --- --- --- Disper.Con.(0) < 0.04 < 0.04 --- --- --- 0.15 0.05 0.05 0.05 33.3 33.3 0.22 0.06 0.08 0.07 27.3 36.4 0.34 0.09 0.14 0.11 26.5 41.2 0.51 0.11 0.17 0.14 21.6 33.3 0.76 0.21 0.32 0.26 27.6 42.1 1.14 0.36 0.53 0.44 31.6 46.5 (Supplemental test) Control (0) < 0.006 < 0.006 --- --- --- Disper.Con.(0) < 0.006 < 0.006 --- --- --- 0.07 0.009 0.007 0.008 12.9 10.0 0.10 0.017 0.012 0.014 17.0 12.0 · Unit : mg/l. · Element value: Cumulative numbers of died or stressed fish · Statistical results as appropriate: Not applied. Percent mortality of Oryzias latipes exposed to the test chemical (Main test) Meas.conc.(mg/l) Cumul. number of died fish (% mortality) 24 hour 48 hour 72 hour 96 hour Control (0) 0 (0) 0 (0) 0 (0) 0 (0) Disper.Con.(0) 0 (0) 0 (0) 0 (0) 0 (0) 0.05 0 (0) 2 (20) 3 (30) 7 (70) 0.07 0 (0) 2 (20) 5 (50) 10(100) 0.11 0 (0) 9 (90) 10(100) -* 0.14 4 (40) 10(100) -* -* 0.26 9 (90) 10(100) -* - 0.44 10(100) -* -* -* *: No observation was made because all fish were dead at this observation time. (Supplemental test) Meas.conc.(mg/l) Cumul. number of died fish (% mortality) 24 hour 48 hour 72 hour 96 hour Control (0) 0 (0) 0 (0) 0 (0) 0 (0) UNEP PUBLICATIONS 75
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N-(1,3-Dimethylbutyl)-N

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