Registration Dossier
Registration Dossier
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EC number: 248-326-4 | CAS number: 27213-90-7
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.064 mg/L
- Assessment factor:
- 1 000
- Extrapolation method:
- assessment factor
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.006 mg/L
- Assessment factor:
- 10 000
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 810 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 0.279 mg/kg sediment dw
- Extrapolation method:
- equilibrium partitioning method
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 0.028 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:
- 0.018 mg/kg soil dw
- Extrapolation method:
- equilibrium partitioning method
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- PNEC oral
- PNEC value:
- 6.7 mg/kg food
- Assessment factor:
- 30
Additional information
Sodium diisobutylnaphtalene sulphonate resulted of moderate toxicity for aquatic organisms basing on the lowest eco-toxicity value in Daphnia magna (EC50of 64 mg/L). Considering the inherently biodegradation of the substance, which involves a first order biodegradation, the substance may be considered harmful for aquatic environment with long-lasting effects.
Conclusion on classification
According to Regulation 1272/2008/EC, Sodium diisobutylnaphtalene sulphonate is classified for Aquatic Toxicity class in category 3, H412.
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