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Administrative data

Hazard for aquatic organisms

Hazard for air

Hazard for terrestrial organisms

Hazard for predators

Additional information

Conclusion on classification

Classification relevant information

Biodegradation:

·        Not readily biodegradable (0%, based on O2 consumption) within 28 d (OECD 301 F)

Bioaccumulation:

·        log Kow: 4.97 (OECD 117, HPLC method)

Acute toxicity:

·        to fish: no data available

·        to aquatic invertebrates: EC50 (48 h) > 100 mg/L (nominal, Daphnia magna, OECD 202)

·        to algae: EC50 (72 h) > 100 mg/L (nominal, growth rate of Pseudokirchneriella subcapitata, OECD 201)

Chronic toxicity:

·        to fish: no available data

·        to aquatic invertebrates: no available data

·        to algae: EC10 (72 h) > 100 mg/L (nominal, growth rate of Pseudokirchneriella subcapitata, OECD 201)

 

Classification justification according to CLP

Based on the data above the substance Ethyl 9-oxo-9H-thioxanthene-2-carboxylate (CAS 83817-60-1) is not rapidly biodegradable. Acute aquatic toxicity data are available for two trophic levels. No acute effects were determined up to the highest tested concentration of 100 mg/L. Chronic toxicity data are available only for algae. No chronic effects were observed up to the highest tested concentration of 100 mg/L. Therefore, the substance is not classified and labelled as hazardous to the environment according to the consolidated version of Regulation (EC) No 1272/2008 (dated: 01.01.2017) and further amendments (ATPs).