Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Hazard for air
Hazard for terrestrial organisms
Hazard for predators
Additional information
Conclusion on classification
Conclusion on Classification
Environmental fate and pathways
Degradation: Readily biodegradable (71% after 28 d, OECD 301F)
Bioaccumulation: expected to bioaccumulate, log Kow:
- saponifiable material (mainly fatty acids) at 25 °C and pH 7: 0.5 to 5.3 (QSAR, ARChem SPARC v4.6 LogD model)
- unsaponifiable material (mainly alkanes and alkenes): 5.2 to 9.0 (QSAR, EPI Suite v4.11 KOWWIN v1.69)
Concerning the composition of the UVCB substance, dominated by long-chain fatty acids, the higher end of the log Kow range is considered to reflect best the lipophilicity of the whole UVCB substance. Therefore, a log Kow of ≥ 4 will be used for classification purposes.
Aquatic short-term toxicity
Fish: no data available
Aquatic invertebrates: EL50 (48h): 4.1 mg/L (nominal, WAF loading rate, OECD 202)
Algae: ErL50 (72 h): 86 mg/L (nominal, WAF loading rate, OECD 201)
Aquatic long-term toxicity
Fish: no data available
Aquatic invertebrates: No data available
Algae ErL10 (72 h): 40 mg/L (nominal, WAF loading rate, OECD 201)
Conclusion on CLP
The substance is readily biodegradable and has a potential for bioaccumulation (log Kow > 4). Chronic toxicity data is available for algae (ErL10 (72 h): 40 mg/L (nominal, WAF loading rate, OECD 201)). However, aquatic invertebrates are the most sensitive organisms tested in available short-term tests (EL50 (48h): 4.1 mg/L mg/L (nominal, WAF loading rate, OECD 202)). Thus, chronic algae data does not represent the species that is considered the most sensitive in available short-term tests. Therefore, according to the Guidance on the Application of the CLP Criteria (Version 5.0 – July 2017), the classification is based on the acute data, giving the more stringent classification. As mentioned above, the most sensitive organisms in available short-term tests are aquatic invertebrates with an EL50 (48 h) of 4.1 mg/L (nominal, WAF loading rate, OECD 202). Concerning this value in combination with a log Kow > 4, the substance is classified as aquatic chronic 2, according to the consolidated version of Regulation (EC) No 1272/2008 and further amendments (ATPs).
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