Registration Dossier

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.003 mg/L
Assessment factor:
50
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.007 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0 mg/L
Assessment factor:
500
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
15 mg/L
Assessment factor:
1
Extrapolation method:
assessment factor

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
0.26 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.03 mg/kg sediment dw
Extrapolation method:
equilibrium partitioning method

Hazard for air

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
0.05 mg/kg soil dw
Extrapolation method:
equilibrium partitioning method

Hazard for predators

Secondary poisoning

Hazard assessment conclusion:
no potential for bioaccumulation

Additional information

Conclusion on classification

The short-term toxicity of 1 -chloro-2 -methylbenzene towards aquatic organisms is characterized by an EC50(48 h) of 0.7 mg/L having the immobilization of Daphnia magna as most sensitive endpoint. Furthermore, the test item is not readily biodegradable and has a low potential to bioaccumulate in aquatic organisms.

Based on the available information, 1 -chloro-2 -methylbenzene has to be classified as:

- Dangerous for the environment: very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment, R50/53 (Directive 67/548/EEC)

- Hazardous to the aquatic environment: very toxic to aquatic life, aqu. acute 1; H 400, very toxic to aquatic life with long lasting effects, aqu. chron.1; H410 (Regulation EC 1272/2008).