Registration Dossier
Registration Dossier
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EC number: 269-924-1 | CAS number: 68391-05-9 This substance is identified by SDA Substance Name: C12-C18 dialkyl dimethyl ammonium chloride and SDA Reporting Number: 16-047-00.
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 1.53 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.556 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.153 µg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 0.056 µg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 1.2 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 5.5 mg/kg sediment dw
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.55 mg/kg sediment dw
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 7 mg/kg soil dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Based on the results of acute toxicity studies in fish, alga and invertebrates as well as a chronic toxicity study inDaphnia, and given that the test substance is not readily biodegradable, classification as Aquatic Acute 1 – H400 (Very toxic to aquatic life), with an M-factor acute of 10, and Aquatic Chronic 1 – H410 (very toxic to aquatic life with long-lasting effects), with an M-factor of 1, is warranted according to EU CLP (Regulation EC/1272/2008) criteria.
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