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EC number: 244-033-0 | CAS number: 20780-48-7
Short-term toxicity tests for algae, Daphnia and fish are available for the substance. The EL50 value for Daphnia is >100 mg/l, the ErL50 for algae is also >100 mg/L. For fish the LC50 was determined based on a read across substance and concluded at 0.225 mg/L. Based on the lowest available acute data for fish with an LC50 value of 0.225 mg/L the substance needs to be classified for acute hazard (H400).
The lowest chronic available value is the NOErL of algae being 100 mg/L. The substance is not readily biodegradable and has a log Kow≥ 4. In view of the acute fish result the substance needs to be classified for chronic toxicity according to Figure 4.1.1and Table 4.1.0, (b) iii of CLP, resulting in Aquatic Chronic Category 1 and H410 classification. The use of ECOSAR-predicted chronic ecotoxicological values does not change the classification conclusions.
Overall, it can be concluded that Tetrahydrolinalyl acetate needs to be classified as Aquatic Acute 1 (H400) and Chronic 1 (H410) in accordance with the criteria outlined in Annex I of the CLP Regulation (1272/2008/EC and its amendments).
An M factor of 1 is indicated for acute toxicity.
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