Registration Dossier
Registration Dossier
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EC number: 401-620-8 | CAS number: 87731-18-8 VIOLIFF
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 8.18 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.818 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 6.7 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.21 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.121 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:
- 0.237 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 toxicity tests for fish, Daphnia and algae are available for the substance. In addition, reliable EC10/NOEC values from algae are available for long-term toxicity. The EC50 values for fish and Daphnia is between 10 and 100 mg/l, whereas the available EC10 value is 3.72 mg/L for algae. As one reliable long-term toxicity endpoint is available chronic classification needs to be derived on both acute and chronic data and worst case should be taken. The substance is readily biodegradable, has a log Kow of 2.9 and therefore based on the available chronic data for algae it would not lead to classification. Based on the lowest available acute value for the other trophic levels (Daphnia with an EC50 value of 21 mg/L), the substance being readily biodegradable and a log Kow of 2.9, the substance also does not need to be classified for chronic toxicity based on acute data. Overall, it can be concluded that Violiff does not need to be classified for environmental endpoints according to EU CLP (1272/2008 and its amendments). EC (CLP).
GHS: As the lowest acute toxicity value is >1 but ≤ 10 mg/L, the substance additionally needs to be classified as Acute Cat. 2 (H401) according to GHS.
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