Registration Dossier

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Short-term toxicity to fish

TL50 > 1000 mg/l

Short-term toxicity to aquatic invertebrates

EC50 > 14.3 mg/l

Toxicity to aquatic algae and cyanobacteria

waiving due to the very low solubility of the test substance.

Toxicity to microorganisms

IC50 > 100 mg/l

Additional information

Justification for classification or non-classification

According to the CLP Regulation (EC n. 1272/2008), Part 4: Environmental Hazards, the substances can be classified for hazardous to the aquatic environment when the following criteria are met:

A )Acute (short-term) aquatic hazard

Category Acute 1: 96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) ≤ 1 mg/l

B) Long-term aquatic hazard

(iii) Substances for which adequate chronic toxicity data are not available and the substance is not rapidly degradable and/or the experimentally determined BCF ≥ 500 (or, if absent, the log K ow ≥ 4).

Category Chronic 1:96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) ≤ 1 mg/l

Category Chronic 2: 96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants)> 1 to ≤10 mg/l

Category Chronic 3:96 hr LC 50 (for fish) and/or 48 hr EC 50 (for crustacea) and/or 72 or 96 hr ErC 50 (for algae or other aquatic plants) > 10 to ≤ 100 mg/l

In the Daphnia study the substance has been tested at the limit of solubility and no effects have been observed. The test susbtance therefore is not expected to induce toxicity for the aquatic compartment. This result is confirmed by the results obtained in the short-term toxicity studies to fish where the value calculated was always over the limit of classification. In conclusion no classification is warrented, according to the CLP Regulation (EC 1272/2008).


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