Registration Dossier

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

Hazard assessment conclusion:
PNEC aqua (freshwater)
PNEC value:
0 mg/L
Assessment factor:
1 000
Extrapolation method:
assessment factor
PNEC freshwater (intermittent releases):
0 mg/L

Marine water

Hazard assessment conclusion:
PNEC aqua (marine water)
PNEC value:
0 mg/L
Assessment factor:
10 000
Extrapolation method:
assessment factor

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
0.26 mg/L
Assessment factor:
100
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.038 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:
0.075 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 (fish, invertebrates and algae). The acute effect values for fish (Danio rerio), daphnids (Daphnia magna) and algae (Desmodesmus subspicatus) are 0.3 mg/L, 0.163 mg/L and 0.03 mg/L, respectively. The substance needs to be classified as Aquatic Acute 1 (H400), with a M-factor of 10.

Long-term aquatic toxicity data are available only for aquatic algae for which an ErC10 of 0.0143 mg/L was determined. Based on this chronic data and the substance’ non-readily biodegradability, the substance needs to be classified as Aquatic Chronic 1 (H410), with a M-factor of 1.

 

As only one reliable long-term toxicity endpoint is available, chronic classification needs to be based on both chronic and acute data of which the most stringent outcome is used for the final classification. Regarding acute data (lowest acute value between 0.01 - 0.1 mg/L), the substance being not readily biodegradable and an (estimated) log Kow of 7.51 (no experimental BCF available) the substance needs to be classified as Aquatic Chronic 1, with a M-factor of 10. Therefore, based on short-term toxicity data, the substance is classified as Aquatic Chronic 1 (H410) with a M-factor of 10, as in accordance with EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation No. 1272/2008.