Registration Dossier
Registration Dossier
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EC number: 946-877-1 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Aquatic Chronic 3 (H412), according to the CLP Regulation (EC) No 1272/2008
Additional information
Adequate chronic toxicity data is not available. Acid Green 025 is not readily biodegradable; definitive values for water solubility and partition coefficient currently are not available because the related experiments are still running, however, on the basis of the preliminary test results, the substance is expected to be water soluble and, based on the log kow, to have a low potential for bioaccumulation.
According to the CLP Regulation (EC) No 1272/2008, acute aquatic toxicity is normally determined using a fish 96-hour LC50 , a crustacean species 48-hour EC50 and/or an algal species 72- or 96-hour EC50. The mentioned acute toxicity values are also used for the assessment of the long-term aquatic hazard in those cases in which no adequate chronic toxicity data is available.
Data on Acid Green 025 and analogues are available for fish, invertebrates and Lemna spp.
On the basis of the available studies, no L(E)C50 value was recorded at concentration equal/lower than 1 mg/l, thus the classification criteria for acute (short-term) aquatic hazard (category 1) of the CLP Regulation (EC) No 1272/2008 are not met.
The outcomes of the available tests suggest that fish is the most sensitive species, thus the classification has to be based on the short-term toxicity to fish; the study on this paecie fixed the short-term effect level on fish between 10 and 100 mg/l. Therefore, the substance meets the criteria for long-term aquatic hazard (category 3) of the CLP Regulation (EC) No 1272/2008.
In conclusion, the Acid Green 025 is classified as Aquatic Chronic 3 (H412), according to the CLP Regulation (EC) No 1272/2008.
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