Registration Dossier
Registration Dossier
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EC number: 940-223-9 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.4 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.07 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.04 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 7.9 mg/L
- Assessment factor:
- 100
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 1.5 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.15 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:
- 0.07 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Short-term effects
The EC50 (48h) Daphnia of 6.5 mg/L is the lowest acute ecotoxicity value available from three trophic levels. This means
no classification according DSD 67/548/EEC for Short-term effects
no classification according CLP 2011/286/EU (2nd ATP of CLP) for Short-term effects
Long-term effects
The 2nd ATP of CLP requires that the classification has to be based on 3 chronic values and if the substance is readily biodegradable or not. In cases where e.g. only two chronic values are available (as for SCG) an additional assessment based on acute ecotoxicity values and not readily biodegradable and/or bioaccumulative has to be carried out. The worst of both assessments will be the basis for the environmental classification.
a) Assessment approach based on chronic data
The lowest of the two chronic ecotoxicity value is the NOEC (21d) Daphnia of 4 mg/L. As SCG is readily biodegradable this means
no classificiation according 2nd ATP CLP
b) Assessment approach based on acute data
The lowest of three acute ecotoxicity values is 6.5 mg/L. SCG is readily biodegradable and not bioaccumulative. This means
no classification according DSD and 2nd ATP CLP (acute approach)
This means
no classification according DSD 67/548/EEC for Long-term effects
no classification according CLP 2011/286/EU (2nd ATP of CLP) for Long-term effects
OVERALL ENVIRONMENTAL CLASSIFICATION
No classification required for short-term and long-term effects under DSD 67/548/EEC as well as CLP 2011/286/EU (2nd ATP).
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