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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Link to relevant study record(s)

Description of key information

One reliable (Klimisch 1; Klimisch 2 when used for read-across) short-term toxicity study for fish was available for Alchisor CAL 123 with read-across to Alchisor CAL 145.  The short-term toxicity of Alchisor CAL 123 to Daphnia magna was reported by Claude & Krueger (2010) in an OECD 202 guideline and GLP compliant study.  Daphnia were exposed to toxicant in measured concentrations for 48 hours, resulting in a 48-hr LC50 of >100 mg/L.

Key value for chemical safety assessment

EC50/LC50 for freshwater invertebrates:
100 mg/L

Additional information

Alchisor CAL 145 comprises alkenes C13-14 hydroformylation products and read-across from the chemically-similar Alchisor CAL 123 has been used in this hazard assessment as defined in the `Read-Across Justification Document'. Short-term toxicity data to fish relating to Alchisor CAL 123 was available for read-across to this dossier. One reliable (Klimisch 1; Klimisch 2 when used for read-across) short-term study of Alchisor CAL 123 to Daphnia magna was reported by Claude & Krueger (2010) in an OECD 202 guideline and GLP compliant study. Daphnia were exposed to toxicant in measured concentrations for 48 hours, resulting in a 48-hr LC50 of >100 mg/L. This reliable study result is designated as Key for the short-term toxicity to invertebrates endpoint.