Registration Dossier
Registration Dossier
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EC number: 451-530-8 | CAS number: 736150-63-3
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 5 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 5 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 5 µg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 14 300 µg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 28 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 2.8 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 0.02 mg/kg soil dw
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 7.3 mg/kg food
- Assessment factor:
- 3 000
Additional information
All PNEC values should be considered as minimum PNEC values.
Short term studies:
The short-term study on fish (Dario rerio, 96 hr) gave a LC50 of 0.3-0.7 mg/L, the short-term study on crustacean (Daphnia magna, 48 hr) gave an EC50 of 0.92 mg/L and the short-term study on algae (Pseudokirchneriella subcapitata, 72 hr) gave an ErC50 of 106 mg/L. Thus, all derived short-term E(L)C50 are above the water solubility of the substance (0.06 – 0.09 mg/L). The results of the short-terms studies are assessed to be a result of physical effects on the test organisms.
Long term studies:
No effects were observed in long-term ecotoxicity studies on crustacean (Daphnia magna reproduction study, 21 d) and fish (Dario rerio, 60 d) in the concentration ranges below the water solubility. This also shows that there is no acute toxicity at the limit of water solubility.
Conclusion on classification
Argumentation for no environmental classification.
The short-term study on fish (Dario rerio, 96 hr) gave a LC50 of 0.3-0.7 mg/L, the short-term study on crustacean (Daphnia magna, 48 hr) gave an EC50 of 0.92 mg/L and the short-term study on algae (Pseudokirchneriella subcapitata, 72 hr) gave an ErC50 of 106 mg/L. Thus, all derived short-term E(L)C50 are above the water solubility of the substance (0.06 – 0.09 mg/L). The results of the short-terms studies are assessed to be a result of physical effects on the test organisms.
No effects were observed in long-term ecotoxicity studies on crustacean (Daphnia magna reproduction study, 21 d) and fish (Dario rerio, 60 d) in the concentration ranges below the water solubility. This also shows that there is no acute toxicity at the limit of water solubility.
TS-ED 532 has a potential for bioaccumulation. However, as there is no acute toxicity at the limit of water solubility, and as TS-ED 532 is readily biodegradable and therefore not expected to persist in the environment, TS-ED 532 dose not need to be environmentally classified.
Argumentation for TS-ED 532 not being a PBT and not a vPvB substance
As TS-ED 532 is readily biodegradable, it is neither a PBT nor a vPvB substance. As TS-ED 532 is a glyceride and therefore inherently metabolizable, no bioaccumulation is expected.
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