Registration Dossier
Registration Dossier
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Reaction mass of Potassium sodium 3-{[4-({3-(substitutedamino)-4-[(2-sulfonato-4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]phenyl}amino)-6-chloro-heteromonocyl-2-yl]amino}-2-substituted-5-{[2-(sulfonatooxy)ethyl]sulfonyl}benzenesulfonate (1:3:1) and Potassium sodium 3-[(4-{[3-(subsitutedamino)-4-{[4-(ethenylsulfonyl)-2-sulfonatophenyl]diazenyl}phenyl]amino}-6-chloro-heteromonocy-2-yl)amino]-2-substituted-5-{[2-(sulfonatooxy)ethyl]sulfonyl}benzenesulfonate (3:9:3)
EC number: - | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
The test substance is not inherently biodegradable (0% biodegradation after 28 days) and not readily biodegradable (-26% biodegradation after 28 days exposure time) . Care should be taken in the interpretation of the result (ready biodegradability), due to the possible inhibitory nature of the test item to the sewage treatment micro-organisms used in the study.
The hydrolysis experiment demonstrate that FAT 40863/A TE is stable at pH 4, 7 and 9 at 25 °C. The estimated half-life of FAT 40863/A TE at 25°C is greater than one year.
The determination of the partition coefficient showed that the LogPow is -2.79 and therefore the substance is considered to have a low potential for bioaccumulation.
The adsorption/desorption test can be waived can be waived under REACH with the following justification.
In accordance with column of REACH annex VIII, the adsorption/desorption screening test does not be conducted as FAT 40863/A TE has a low octanol water partition coefficient (log Kow < -2.79).
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