Registration Dossier
Registration Dossier
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EC number: 208-883-6 | CAS number: 544-92-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.22 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.022 µg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 0.36 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 12.7 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 1.27 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:
- 2.53 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 0.533 mg/kg food
- Assessment factor:
- 300
Additional information
Conclusion on classification
The results from the aquatic toxicity studies are as follows:
- Short-term toxicity to fish: 96h-LC50 =0.62 mg/L(based on measured concentrations)
- Long-term toxicity to fish: 60d-NOEC = 2.2 ug/L =0.0022 mg/L(read-across from a long-term study on copper chloride, lowest chronic NOEC)
- Short-term toxicity to aquatic invertebrates: 48h-EC50 = 0.21 mg/L(based on measured concentrations)
- Long-term toxicity to aquatic invertebrates: 21d-NOEC= 12.6 ug/L =0.0126 mg/L (read-across from a long-term study on copper chloride)
- Toxicity to aquatic algae and cyanobacteria: 72h-EC50= 89.1 ug/L =0.089 mg/L (based on measured concentrations, lowest E(L)C50) and 72h-NOEC= 18.1 ug/L= 0.0181 mg/L
- Toxicity to microorganisms: 48h-NOEC = 3.6 - 3.8 mg/L (Read-across from a study on copper chloride).
It is proposed to compare submission substance dataset to CLP environmental criteria laid down in CLP Regulation (including 2nd Adaptation to Technical Progress, Com Reg No 286/2011).
Acute aquatic hazard: category 1. Reasoning: lowest E(L)C50 below 1 mg/L.
M-factor acute = 10 because the lowest E(L)C50 is between 0.01 and 0.1 mg/L
Chronic aquatic hazard:category 1. Reasoning: adequate chronic toxicity data are available, the substance is considered as not rapidly degradable and the lowest NOEC value is below 0.1 mg/L.
M-factor chronic = 10 because the lowest chronic NOEC is between 0.001 and 0.01 mg/L and copper cyanide is regarded as a non rapidly degradable substance.
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