Registration Dossier

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.