Registration Dossier
Registration Dossier
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EC number: 286-386-3 | CAS number: 85223-31-0
Endpoint summary
Administrative data
Description of key information
The primary source of possible substance environmental release is represented by industrial waste waters; the substance is not expected to be directly released to soil and air compartment can be considered as not relevant.
Acid Blue 134 can be considered hydrolytically stable and it is expected to be not readily biodegradable.
The substance is likely to possess a low affinity for soil / sediment. In addition, it is expected to be characterised by a low potential for bioaccumulation and/or a low potential to cross biological membranes.
Additional information
The test substance is a solid powder under environmental conditions. Based on the thermal behaviour, the substance does not melt, either boil up to high temperature. Evaporation is not a relevant characteristic of Acid Blue 134, thus the possibility to be dispersed in air, the amount and the persistence in this compartment are related to the granulometry, which confirms the non-relevance of this compartment.
Acid Blue 134 is highly water soluble and, based on the chemical characteristics, it is expected to be stable under typical environmental pH conditions.
The primary source of possible substance environmental release is represented by industrial waste waters, thus the fate and pathways of the substance in surface water is of primary concern.
Considering the intended use in aqueous-based treatments, Acid Blue 134 is not expected to be directly released to air, either soil. As abovementioned, the physicochemical properties of the item confirm that the air compartment can be considered as not relevant and that the soil compartment in expected to be non concerning Acid Blue 134.
The substance can be considered hydrolytically stable.
Although it was not investigated, phototransformation in air/water/soil is not expected to be an important mechanisms for transformation/removal of the substance.
Acid blue 134 is expected to be not readily biodegradable. The substance did not show any potential of microorganisms impact. Thus, it is deemed to not negatively impact the STP systems.
The substance is likely to possess a low affinity for soil / sediment. The available information of the adsorption potential on soil and on sewage sludge confirmed the mentioned expectation.
There is no empirical bioaccumulation data available for the substance under investigation, nevertheless on the basis of the negative log Pow, it is expected to be characterised by a low potential for bioaccumulation and/or a low potential to cross biological membranes. Due to the molecular mass greater than 700 and due to the steric hindrance, the possible passage of gill membranes or cell membranes of respiratory organs is expected to be negligible
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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