Registration Dossier
Registration Dossier
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EC number: 701-281-9 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 67.6 µg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 676 µg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 6.76 µg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
- PNEC marine water (intermittent releases):
- 676 µg/L
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 30 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.315 mg/kg sediment dw
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 31.5 µg/kg sediment dw
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
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
PNEC aqua (freshwater): 67.6 μg/L
PNEC aqua (marine water): 6.76 μg/L
PNEC aqua (intermittent release): 676 μg/L
PNEC STP: > 30 mg/L
PNEC sediment (freshwater): 315 μg/L
PNEC sediment (marine water): 31.5 μg/L
PNEC soil: The PNEC soil was calculated to be 29.3 µg/kg soil dw using the equilibrium partitioning method in EUSES v.2.1. Input values were a Koc value of 15 L/kg (minimum value in EUSES) and a Henry's Law constant of 0.844 Pa.m3/mol. Nevertheless no exposure of soil is expected.
PNEC oral: No bioaccumulation of "3-hydroxy-2-(hydroxymethyl) -2-methylpropionaldehyde" is expected from the low octanol/water partition coefficient. No relevant secondary poisoning is therefore expected.
Beside this fact: PNECoral = 21 mg/kg food = 21 ppm.
Conclusion on classification
On the basis of the above results, the substance is not classified in the acute aquatic toxicity category and it is not classified as chronic aquatic toxicity according to the CLP regulation (EC) No 1272/2008.
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