Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 278-127-8 | CAS number: 75214-58-3
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Not readily biodegradable
Key value for chemical safety assessment
Additional information
The substance is a chromium complex dye. The substance is not expected to be ready biodegradable because of its chemical structure and its specific function. Commonly, dyes undergo a primary transformation, i.e. discolouration due to the interrupting of conjugation. Nevertheless, the degradation process involves more steps and take more time.
The biodegradability potential of the Acid Blue 193 was assayed in a study, conducted according to the OECD Guideline 301E.
At the end of the exposure period, the test article resulted to be not degraded under the test conditions; on the contrary, the standard compound, aniline, was degraded within 14 days to 98.5 %.
Although, it was not possible to retreive the detailed composition of the tested substance, the tests results can be considered as reliable. On the basis of the manufacture process, the organic composition of the substance is expected to be not so far different from those currently in use. In general, the main difference in formulation is due to a different content of water and/or inorganic salts, relevant from the industrial applications point of view.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
