Registration Dossier
Registration Dossier
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EC number: 429-990-6 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.086 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.857 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.009 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 100 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.08 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.108 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:
- 0.205 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential to cause toxic effects if accumulated (in higher organisms) via the food chain
Additional information
PNEC Freshwater and marine sediment:
Ksusp-water = 3.16
RHOsusp = 1150
PNEC_freshwater sed. = (K_susp-water / RHO_susp) * PNEC_water * 1000
= (3.16 / 1150) * 0.0857 * 1000
= 0.2355 mg/kg wwt
= 1.083 mg/kg dwt
PNEC_marine sediment = (K_susp-water / RHO_susp) * PNEC_marine water * 1000
= (3.16 / 1150) * 0.00857 * 1000
= 0.02355 mg/kg wwt
= 0.1083 mg/kg dwt
PNEC soil:
Ksoil-water = 3.6
RHOsusp = 1700
PNECsoil = (K_soil-water / RHO_susp) * PNEC_water * 1000
= (3.6 / 1700) * 0.0857 * 1000
= 0.1815 mg/kg wwt
= 0.2051 mg/kg dwt
Conclusion on classification
Acute toxicity:
Fish is the most sensitive species to the acute toxic effects of the test item with an acute LC50 of 85.7 mg/L. Based on the these data, the substance has not to be classified with regard to short-term (acute) environmental toxicity according to Regulation (EC) No 1272/2008 (CLP/GHS), as amended for the tenth time in Regulation (EC) 2017/776.
Chronic toxicity:
Only one long-term test is available - toxicity to algae. Based on the fact that the test item is not readily biodegradable and the obtained results from the aquatic tests, the substance is classified as Long-term (Chronic) Environmental Toxic Category 3 (H412: Harmful to aquatic life with long lasting effects.) according to Regulation (EC) No 1272/2008 (CLP/GHS), as amended for the tenth time in Regulation (EC) 2017/776.
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