Registration Dossier
Registration Dossier
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EC number: 411-700-4 | CAS number: 140921-24-0 HÄRTER VERSUCHSPRODUKT LS 2959E; HÄRTER VP LS 2959E
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.043 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.43 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.004 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 35 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 164.5 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 16.5 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:
- 32.9 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 sediment:
K_(susp-water) = 959
RHO_(susp) = 1150
Conversion factor (wwt -> dwt) = 4.6
PNEC freshwater sediment
= (K_(susp-water) / RHO_(susp)) * PNEC_water * 1000
= (959 / 1150) * 0.043 * 1000
= 35.858 mg/kg wwt
= 164.948 mg/kg dwt
PNEC marine water sediment:
K_(susp-water) = 959
RHO_(susp) = 1150
Conversion factor (wwt -> dwt) = 4.6
PNEC marine water sediment
= (K_(susp-water) / RHO_(susp)) * PNEC_marine water * 1000
= (959 / 1150) * 0.0043 * 1000
= 3.5858 mg/kg wwt
= 16.4948 mg/kg dwt
PNEC soil:
K_(soil-water) = 1.15E+03
RHO_(soil) = 1700
Conversion factor (wwt -> dwt) = 1.13
PNEC soil
= (K_(soil-water) / RHO_(soil)) * PNEC_water * 1000
= (1.15E+03 / 1700) * 0.043 * 1000
= 29.088 mg/kg wwt
= 32.8697 mg/kg dwt
Conclusion on classification
Acute toxicity:
Algae is the most sensitive species to the acute toxic effects of the test item with an acute ErC50 of 43 mg/L. Based on the this data, the substance has not to be classified with regard to acute environmental toxicity according to Regulation (EC) No 1272/2008 (CLP/GHS).
Chronic toxicity:
Algae are the most sensitive species to toxic long-term effects of the test item with a chronic NOEC of 12.5 mg/L and an EC50 of 43 mg/L. As the test item is not ready biodegradable, the substance is classified as chronic cat. 3 (H412: Harmful to aquatic life with long lasting effects) according to Regulation (EC) No 1272/2008 (CLP/GHS).
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