Registration Dossier
Registration Dossier
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EC number: 700-990-0 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.004 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 2.02 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- no data: aquatic toxicity unlikely
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 3.12 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.312 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:
- 0.246 mg/kg soil dw
- Assessment factor:
- 50
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 23.89 mg/kg food
- Assessment factor:
- 90
Additional information
Conclusion on classification
The short-term LC50 or EC50 values were 0.8, 0.202 and 3.0 mg/l, for fish, daphnia and algae, respectively. The chronic toxicity value (NOEC) for Daphnia and fish are 0.0399 and 0.093 mg/l respectively. Based on the high aquatic toxicity of tertbutylphenyl diphenyl phosphate, R50 can be applied. Tertbutylphenyl diphenyl phosphate is readily biodegradable, and is expected to have a tendency to bioaccumulate with a log Kow > 3, consequently it is classified as R50/R53 according to Directive 67/548/EEC (Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment).
According to Regulation 1272/2008/EC tertbutylphenyl diphenyl phosphate would be classified as hazardous to the aquatic environment Acute Category 1 (H400: very toxic to aquatic life) and Chronic Category 1 (H410: very toxic to aquatic life with long lasting effects) based on these data.
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