Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Hazard for aquatic organisms

Freshwater

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

Marine water

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

STP

Hazard assessment conclusion:
PNEC STP
PNEC value:
1.8 mg/L
Assessment factor:
10
Extrapolation method:
assessment factor

Sediment (freshwater)

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

Sediment (marine water)

Hazard assessment conclusion:
PNEC sediment (marine water)
PNEC value:
0.058 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:
0.107 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, aquatic invertebrates, algae and aquatic plants). The lowest observed acute effect concentration is a 72-h ErC50 value of 14.7 mg/L as derived from a study with algae (Desmodesmus subspicatus). The substance does not need to be classified for acute aquatic hazard.

Long-term aquatic toxicity data are available only from a study with algae in which a 72-h ErC10 value of 3.73 mg/L was derived. Based on this chronic data and the substance' non-readily biodegradability, the substance does not need to be classified for chronic hazard. 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 without any chronic data (Fish + Daphnia with LC/EC50 > 100 mg/L each), the substance being not readily biodegradable and a log Kow of -2.3 (1 -methyl-3 -ethylimidazolium) and -2.4 (dicyanamide) (No experimental BCF available) the substance needs NOT to be classified for chronic classification. Therefore, based on short-term toxicity data for fish and aquatic invertebrates and on long-term toxicity data for algae, the substance does not need to be classified for the environment in accordance with EU Classification, Labeling and Packaging of Substances and Mixtures (CLP) Regulation No. 1272/2008.