Registration Dossier
Registration Dossier
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EC number: 274-958-5 | CAS number: 70865-30-4
Endpoint summary
Administrative data
Description of key information
Not harmful/toxic for aquatic life.
Additional information
Adequate chronic toxicity data are not available for Acid Red 057, therefore the aquatic toxicity assessment and classification are based mainly on the short-term toxicity data available on both target substance and structural analogue, Similar Substance 01.
Acid Red 057 is soluble in water and the log Pow is lower than 4, thus indicating a low potential for bioaccumulation.
The substance is not rapidly degradable.
According to the CLP Regulation (EC 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; however, it is also specified in the Regulation that data on other species (e. g. Lemna spp.) shall also be considered if the test methodology is suitable. These species cover a range of trophic levels and taxa and are considered as surrogate for all aquatic organisms.
Data are available for fish (Oncorhynchus mykiss), invertebrates (Daphnia magna) and aquatic duckweed (Lemna gibba).
Outcomes of tests performed on the three trophic levels suggest that the substance is not harmful/toxic for aquatic life, neither acutely, nor chronically: all studies about short-term toxicity to fish, invertebrates and aquatic duckweed fixed the short-term effect level higher than 100 mg/l, which is the threshold of the classification categories for hazard to the aquatic compartment.
In conclusion, the Acid Red 057 does
not meet the criteria to be classified harmful/toxic for aquatic life,
according to the CLP Regulation.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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