Registration Dossier
Registration Dossier
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EC number: 291-813-1 | CAS number: 90480-76-5
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.11 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 1.1 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.011 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 0.11 µg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 10 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 4.33 µg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.433 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:
- 0.802 µg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
PNEC sediment(freshwater), PNEC sediment (marine waters), PNEC soil
No toxicity tests with sediment dwelling or terrestrial organisms are available. Thus, in accordance with the Guidance on information requirements and chemical safety assessment, Chapter R.10: Characterisation of dose [concentration]-response for environment, 2017, the PNEC for freshwater and marine water sediment as well as the PNEC soil have been calculated with the equilibrium partitioning method using EUSES 2.1.
The following data have been taken into account for calculation:
Molecular weight (range) |
280.41 - 444.61 g/mol |
Melting point |
6°C |
Boiling point |
346°C |
Vapour pressure |
9.0E-6 Pa at 25°C |
Log Kow |
2.95 (weighted mean) |
LC50 fish |
>0.11 mg/L (limit test) |
EL50 Daphnia |
8.4 mg/L |
EL50 algae |
0.11 mg/L |
EC10 algae |
0.070 mg/L |
PNECaqua |
0.11 µg/L |
PNECaqua marine |
0.011 µg/L |
Conclusion on classification
The most sensitive organism was Pseudokirchneriella subcapitata. Thus, the lowest acute toxicity value is the 72 h ErL50 of 0.11 mg/L loading rate WAF. This value was used for the calculation of PNECs.
In accordance with Regulation EC No 1272/2008, based on these results and the substance being not rapidly biodegradable, CGE-PMDA adduct has to be classified as Aquatic Acute 1 with an M factor of 1 and Aquatic Chronic 1 with an M factor of 1.
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