mixture of two components: 1. N-(1,3- dimethylbutyl)-N´- phenyl-p-phenylenediamine 2. N1-(1,3-dimethylbutyl)- N4-(4-(1-methyl-1- phenylethyl)phenyl)ben zene-1,4-diamine

Ecotoxicological Summary

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:

PNEC aqua (freshwater)

PNEC value:

0 mg/L

Assessment factor:

50

Extrapolation method:

assessment factor

PNEC freshwater (intermittent releases):

0.011 mg/L

Marine water

Hazard assessment conclusion:

PNEC aqua (marine water)

PNEC value:

0 mg/L

Assessment factor:

500

Extrapolation method:

assessment factor

Sediment (freshwater)

Hazard assessment conclusion:

PNEC sediment (freshwater)

PNEC value:

0.011 mg/kg sediment dw

Extrapolation method:

equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:

PNEC sediment (marine water)

PNEC value:

0.001 mg/kg sediment dw

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:

PNEC soil

PNEC value:

1.468 mg/kg soil dw

Assessment factor:

1 000

Extrapolation method:

assessment factor

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:

PNEC oral

PNEC value:

1.33 mg/kg food

Assessment factor:

300

Conclusion on classification

Three acute tests have been performed with fish, Daphnia and algae. The effect with lowest concentration have been observed in a fish study ( LC50 96h = 1.1 mg/l ). Therefore a classification related to risk phrase R 50 applies.