Registration Dossier

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0.001 mg/L
Assessment factor:
50
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0.002 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:
76.9 mg/L
Assessment factor:
1
Extrapolation method:
assessment factor

Sediment (freshwater)

Hazard assessment conclusion:
PNEC sediment (freshwater)
PNEC value:
0.006 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
Extrapolation method:
equilibrium partitioning method

Hazard for air

Air

Hazard assessment conclusion:
no hazard identified

Hazard for terrestrial organisms

Soil

Hazard assessment conclusion:
PNEC soil
PNEC value:
0 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

Short-term aquatic toxicity data are available for three trophic levels. The lowest observed acute effect concentration is a 48-h EC50 value of 0.15 mg/L as derived from a study with aquatic invertebrates. Long-term toxicity data is available for aquatic invertebrates and alga. The lowest chronic toxicity value is a 72-h NOErC of 0.074 mg/L as observed in algae. Further, the substance is readily biodegradable. Based on all this information, the substance needs to be classified as Aquatic Acute Category 1, H400 (Very toxic to aquatic life) and as Aquatic Chronic Category 2, H411 (Toxic to aquatic life with long lasting effects). For the acute toxicity classification an M-factor of 1 applies.