Registration Dossier
Registration Dossier
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EC number: 438-940-2 | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
STP
- Hazard assessment conclusion:
- no hazard identified
Sediment (freshwater)
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Sediment (marine water)
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Hazard for air
Air
- Hazard assessment conclusion:
- no hazard identified
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- insufficient hazard data available (further information necessary)
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Conclusion on classification
Classification related key information
Biodegradation in water: screening tests: 1% biodegradation after 28 days (OECD 301B)
Bioaccumulation: log Pow = 0.6 (OECD 117)
Acute toxicity
Short term toxicity to fish: LC50 (96 h) > 29 mg/L (OECD 203)
Short term toxicity to aquatic invertebrates: EC50 (48 h) > 29 mg/L (OECD 202)
Toxicity to algae: EC50 (48 h) > 30 mg/L (OECD 201)
Chronic toxicity
Not available
Classification justification according to CLP (Classification, Labeling and Packaging of substances and mixtures)
2-methyl-N-(4-sulfamoylphenyl) prop-2-enamide (SPM-N) is not rapidly biodegradable, however, based on its log Pow value (0.6), the potential of SPM-N to bioaccumulate in biota is expected to be very low. The results from the acute aquatic toxicity tests (see above) conducted with fish, Daphnia and algae showed no effects of the substance up to the limit of its water solubility (30.3 mg/L). Based on all the information gathered for the classification assessment, SPM-N does not need to be classified according to the 2nd ATP of Regulation (EC) No. 1272/2008 (CLP).
Classification justification according to DSD (Dangerous Substances Directive)
2-methyl-N-(4-sulfamoylphenyl) prop-2-enamide (SPM-N) is not rapidly biodegradable, however, based on its log Pow value (0.6), the potential of SPM-N to bioaccumulate in biota is expected to be very low. The results from the acute aquatic toxicity tests (above) conducted with fish ,Daphnia and algae showed no effects of the substance up to the limit of its water solubility (30.3 mg/L). Therefore, SPM-N does not need to be classified according to Directive 67/548/EEC.
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