Registration Dossier
Registration Dossier
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EC number: 800-696-3 | CAS number: 78605-96-6
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.002 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.019 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 0 mg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 100 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.6 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.16 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:
- 0.317 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
PNECs have been derived for freshwater, marine water, intermittent releases and the STP. The PNECs were calculated using endpoints obtained using freshwater aquatic species and STP microorganisms. PNECS for freshwater and marine sediment, and for soil were calculated from the PNEC freshwater using the equilibrium partitioning method (EPM). No PNECS were calculated for air, or secondary poisoning as they are deemed to be unnecessary. The PNECs are as follows:
PNEC freshwater = 0.0019 mg/L
PNEC marine water = 0.00019 mg/L
PNEC intermittent = 0.011 mg/L
PNEC STP = 100 mg/L
PNEC sediment (freshwater) = 1.6 mg/kg dw
PNEC sediment (marine) = 0.16 mg/kg dw
PNEC soil = 0.317 mg/kg dw
Conclusion on classification
As there are long-term results available on the aquatic toxicity of the substance to three trophic levels, and the substance is readily biodegradable, the classification criteria in ECHA Guidance on the Application of the CLP Criteria (v5.0, 2017), Table 4.1.0(b)(ii) were used. As the lowest EC10 was 0.019 mg/L, the substance is classified as Aquatic Chronic Category 2.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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