Registration Dossier
Registration Dossier
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EC number: 204-112-2 | CAS number: 115-86-6
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.48 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.003 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.048 µg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 5 mg/L
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.143 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.014 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:
- 0.028 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 16.667 mg/kg food
- Assessment factor:
- 90
Additional information
Conclusion on classification
TPP is readily biodegradable (83 -94%, 28 d) and a BCF of 144 has been identified. However, referring to the effect concentrations of TPP it has to be classified according to the following reasons:
The most sensitive acute toxicity for TPP is to invertebrates. A LC50 of 0.18 mg/L has been determined for Mysidopsis bahia (96 h). An 96h-LC50 of 0.4 mg/L has been determined for Oncorhynchus mykiss. Depending on this the substance has to be classified as Category Acute 1, H400, according to Regulation (EC) No. 1272/2008 (CLP).
The lowest long-term effect concentration for TPP is the LC10 of 0.0048 mg/L, derived in a study according to OECD TG 234. Depending on this the substance has to be classified as Category Chronic 1, H410, according to Regulation (EC) No. 1272/2008.
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