Registration Dossier
Registration Dossier
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EC number: 222-321-7 | CAS number: 3425-61-4
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 12 µg/L
- Assessment factor:
- 100
- PNEC freshwater (intermittent releases):
- 12 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 1.2 µg/L
- Assessment factor:
- 1 000
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 3.3 mg/L
- Assessment factor:
- 10
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.437 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.044 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:
- no exposure of soil expected
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
- Biodegradability: the test item is not readily biodegradable
- Log Kow = 2.9
- Short term toxicity to aquatic invertebrates: EC50-48h = 6.7 mg/L.
- Toxicity to aquatic algae: EC50-72h = 1.2 mg/L
- According to the Directive 67/548/EC: R51/53
- According to CLP: chronic toxicity category 2
The following data for aquatic toxicity and environmental fate are available:
Regarding these data, tert-amyl hydroperoxide should be classified as follows:
Conclusion on classification
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