Registration Dossier
Registration Dossier
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EC number: 278-130-4 | CAS number: 75214-63-0
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Expected as neither readily nor inherently biodegradable
Key value for chemical safety assessment
- Type of water:
- freshwater
Additional information
The substance is a cationic azo dye. Basic Orange 064 is not expected to be ready biodegradable because of its chemical structure and the specific function. Commonly, dyes undergo a primary transformation, i.e. discolouration due to interrupting the conjugation. Nevertheless, the degradation process involves more steps and take more time.
There are no experimental information on Basic Orange 064, thus the substance biodegradability potential has been evaluated using an estimation tool. The QSAR based screening criterion for identifying substances for persistency (P and vP) confirmed that the substance is expected to be persistent.
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