Registration Dossier
Registration Dossier
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EC number: 293-878-1 | CAS number: 91648-19-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 7.5 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.75 µg/L
- Assessment factor:
- 100
- 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:
- 27.1 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 2.71 µg/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:
- 1.019 µg/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
Reliable ecotoxicity data are available via read-across for 1-Propanaminium, N-(3-aminopropyl)-2-hydroxy-N,N-dimethyl-3-sulfo-, N-C12-14 acyl derivs., hydroxides, inner salts for short-term toxicity to fish, Daphnia and (marine) algae, as well as a long-term 21-day Daphnia magna reproduction study and a long-term 32-day fish early-life stage toxicity study with Pimephales promelas. These studies showed a 96-h LC50 value of 2.12 mg/L for freshwater fish (P. promelas), a 48-h EC50 value of 4 mg/L for D. magna, 72-h EC50 and NOEC values of 2.26 and 0.76 mg/L, respectively, for marine algae (Skeletonema costatum), a 21-d NOEC value of 1.05 mg/L for D. magna, and a 32-d EC10 value of 0.075 mg/L for P. promelas. A ready biodegradability study is available for 1-Propanaminium, N-(3-aminopropyl)-2-hydroxy-N,N-dimethyl-3-sulfo-, N-C12-14 acyl derivs., hydroxides, inner salts which demonstrated that the substance meets the criteria to be considered readily biodegradable.
The most conservative acute ecotoxicity data is the 96-h LC50 value of 2.12 mg/L from the acute fish toxicity study. Therefore, it is concluded that 1-Propanaminium, N-(3-aminopropyl)-2-hydroxy-N,N-dimethyl-3-sulfo-, N-C12-14 acyl derivs., hydroxides, inner salts is ‘Not classified’ for acute aquatic hazard classification under the CLP regulation (Regulation (EC) No 1272/2008).
The most conservative chronic ecotoxicity endpoint is the 32-d EC10 value of 0.075 mg/L from the fish early-life stage toxicity studyy. Given that the substance is concluded to be readily biodegradable, 1-Propanaminium, N-(3-aminopropyl)-2-hydroxy-N,N-dimethyl-3-sulfo-, N-C12-14 acyl derivs., hydroxides, inner salts is classified as Aquatic Chronic Category 2 (H411: Toxic to aquatic life with long lasting effects) under CLP.
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