N-(1,3-Dimethylbutyl)-N
N-(1,3-Dimethylbutyl)-N
N-(1,3-Dimethylbutyl)-N
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OECD SIDS<br />
N-(1,3-DIMETHYLBUTYL)-N´-PHENYL-1,4-PHENYLENEDIAMINE<br />
4. ECOTOXICITY ID: 793-24-8<br />
DATE: 11.05.2005<br />
Exposure period : 48 hour(s)<br />
Unit : mg/l<br />
NOEC : = .56<br />
LC50 : = .82<br />
Analytical monitoring : No<br />
Method : other: Methods for Acute Toxicity Tests with Fish, Macroinvertebrates and<br />
Amphibians (US-EPA 1975)<br />
Year : 1978<br />
GLP : No<br />
Test substance : other TS: Santoflex 13<br />
Method : static bioassay<br />
Remark : Test substance concentration not monitored during exposure;<br />
due to the instability of the TS in aqueous solution, the effective TS<br />
concentrations<br />
may be significantly different from the applied nominal<br />
concentrations<br />
Result : 24 h LC50 = 1.0 (0.79 - 1.3) mg/l<br />
48 h LC50 = 0.82 (0.71 - 0.94) mg/l<br />
48 h NOEC = 0.56 mg/l<br />
Test condition : - Stock solution 25 mg/l 6PPD in acetone<br />
- Daphnias were fed a suspension of trout chow and alfalfa daily until 24 h<br />
prior to testing<br />
- Instar less than 18 h old were used for assay<br />
- Assay conducted in 500 ml glass beakers containing 250 ml well water (=<br />
dilution water), 10 Daphnias each, 7 replicates<br />
- Dilution water: pH 7.7, oxygen 8.7 mg/l, hardness < 250 mg/l, alkalinity <<br />
250 mg/l<br />
- Incubation at 19 +/- 1 °C,<br />
- Lighting regime: 16 h daylight, 8 h night<br />
- At end of exposure pH 8.4; dissolved oxygen 7.4 mg/l<br />
- Endpoint mortality<br />
Test substance : Santoflex 13 is described as dull purple solid<br />
Reliability : (2) valid with restrictions<br />
Study in accordance with generally accepted scientific<br />
standards and described in sufficient detail<br />
Flag : Critical study for SIDS endpoint<br />
03.08.2003 (51)<br />
Type : Static<br />
Species : Daphnia magna (Crustacea)<br />
Exposure period : 48 hour(s)<br />
Unit : mg/l<br />
NOEC : = .4<br />
EC50 : = .79<br />
Analytical monitoring : No<br />
Method : OECD Guide-line 202<br />
Year : 1984<br />
GLP : no data<br />
Test substance : other TS: Santoflex 13<br />
Remark : C.I. for EC50 = 0.7 - 0.91 mg/l<br />
24 hr EC50=1.6 mg/l<br />
48 hr EC50=0.79 mg/l<br />
in presence of food 48 hr EC50 = 1.3 mg/l and NOEC=0.4 mg/l<br />
Test condition : - Daphnias were fed a suspension of trout chow and alfalfa daily until 24 h<br />
prior to testing<br />
- Instar less than 18 h old were used for assay<br />
- Assay conducted in 500 ml glass beakers containing 250 ml well water (=<br />
dilution water), 10 Daphnias each, 7 replicates<br />
- Dilution water: pH 7.7, oxygen 8.7 mg/l, hardness < 250 mg/l, alkalinity <<br />
UNEP PUBLICATIONS 85