N-(1,3-Dimethylbutyl)-N

OECD SIDS
N-(1,3-DIMETHYLBUTYL)-N´-PHENYL-1,4-PHENYLENEDIAMINE
4. ECOTOXICITY ID: 793-24-8
DATE: 11.05.2005
initiation of exposure
- Statistics: least squares regression analysis to calculate LC 50 and 95 %
confidence intervals
Test substance : Santoflex (KDO3-017) CP-22423, dark red-brown colored
Reliability : (3) invalid
Significant methodological deficiencies
04.11.2004 (49)
4.2 ACUTE TOXICITY TO AQUATIC INVERTEBRATES
Type : flow through
Species : Daphnia magna (Crustacea)
Exposure period : 48 hour(s)
Unit : mg/l
NOEC : = .05 measured/nominal
EC50 : = .23 measured/nominal
Analytical monitoring : Yes
Method : OECD Guide-line 202
Year : 2001
GLP : Yes
Test substance : other TS: Purity = 91.0 %
Result : Nominal concentrations: 0, 0.11, 0.19, 0.34, 0.62, 1.11 and
2.00 mg/l.
Measured concentrations:
Concentration of the test solutions measured at preparation
and after 24 hours exposure period.
Measured concentration of the test chemical during 24-hour exposure of
Daphnia magna under Flow-through test conditions
Nom.conc.(mg/l) Meas.conc.(mg/l) Percent of nominal
0-h(new) 24-h(old)
0-h(new) 24-h(old)
Mathem. Mean
Control < 0.01 < 0.01 - - -
Disper.Con. < 0.01 < 0.01 - - -
0.11 0.02 < 0.01 < 0.01 18.2 -
0.19 0.03 < 0.01 < 0.01 15.8 -
0.34 0.08 0.02 0.05 23.5 5.9
0.62 0.09 0.03 0.06 14.5 4.8
1.11 0.48 0.44 0.46 43.2 39.6
2.00 1.02 1.43 1.23 51.0 71.5
new: Freshly prepared test solutions.
old: Test solutions after 24 hours exposure period.
Mortality or immobility of Daphnia magna exposed to the test chemical
under Flow-through test conditions.
82
Nom.conc. Cumulative numbers of died or immobilized
Daphnia magna
(mg/l) (Percent mortality or immobility)
Control 24-hour 48-hour
Disper.Con. 0 (0) 1 (5)