Registration Dossier
Registration Dossier
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Reaction mass of tetrasodium [mono(4,4'-(1Z,1'Z)-(4,4'-dioxidobiphenyl-3,3'-diyl)bis(diazene-2,1-diyl)bis(5-amino-3-oxidonaphthalene-2,7-disulfonate(3-)) cuprate (4-)] and tetraammonium [mono(4,4'-(1Z,1'Z)-(4,4'-dioxidobiphenyl-3,3'-diyl)bis(diazene-2,1-diyl)bis(5-amino-3-oxidonaphthalene-2,7-disulfonate(3-)) cuprate (4-)]
EC number: 943-486-8 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
no ready biodegradable
Key value for chemical safety assessment
Additional information
The analogue substance was tested for ready biodegradation following EU Method C6 (NONS dossier, 1991). Under the experimental conditions the test substance is not readily biodegradable.
Based on the read across consideration same results apply to Direct Blue 267:1
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