Registration Dossier
Registration Dossier
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EC number: 288-312-5 | CAS number: 85711-52-0
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.1 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.01 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
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:
- 3 860 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 92.8 mg/kg sediment dw
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 3 132 mg/kg soil dw
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
Conclusion on classification
According to the CLP Regulation (EC 1272/2008), acute aquatic toxicity is normally determined using a fish 96-hour LC50, a crustacean species 48-hour EC50 and/or an algal species 72- or 96-hour EC50; nevertheless it is also specified in the Regulation that data on other species (e. g. Lemna spp.) shall also be considered if the test methodology is suitable. These species cover a range of trophic levels and are considered as surrogate for all aquatic organisms.
According to the table 4.1.0 of the CLP Regulation (EC n. 1272/2008), a substance for wich adequate chronic toxicity data are not available shall be classified as
Aquatic Acute 1 when:
96 hr LC50 (for fish)≤1 mg/l and/or
48 hr EC50 (for crustacea)≤1mg/l and/or
72 or 96 hr ErC (for algae or other aquatic plants)≤1 mg/l
Aquatic Chronic 1 when:
96 hr LC50 (for fish)≤1 mg/l and/or
48 hr EC50 (for crustacea)≤1mg/l and/or
72 or 96 hr ErC (for algae or other aquatic plants)≤1 mg/l
Aquatic Chronic 2 when:
96 hr LC50 (for fish) > 1 <= 10 mg/l and/or
48 hr EC50 (for crustacea)> 1 <= 10 mg/l and/or
72 or 96 hr ErC (for algae or other aquatic plants)> 1 <= 10 mg/l
Aquatic Chronic 3 when:
96 hr LC50 (for fish) > 10 <= 100 mg/l and/or
48 hr EC50 (for crustacea)> 10 <= 100 mg/l and/or
72 or 96 hr ErC (for algae or other aquatic plants)> 10 <= 100 mg/l
and the substance is not rapidly degradable and/or the experimentally determined BCF ≥ 500 (or, if absent, the log K ow ≥ 4)
The analogue substance is considered inherently biodegradable and has LC50 for each trophic levels > 100 mg/l, therefore it is not classified for both acute and chronic aquatic toxicity. Based on the read across considerations same results apply to Stearamide DETA.
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