Registration Dossier
Registration Dossier
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EC number: 944-989-5 | CAS number: 2156592-46-8
Endpoint summary
Administrative data
Description of key information
The ready biodegradability of the test item 1,2,3-Propanetricarboxylic acid, 2-Hydroxy-, tris(C12-C13-branched-alkyl)ester was determined with a non-adapted activated sludge over a test period of 49 days in the Modified Sturm Test.
The test item 1,2,3-Propanetricarboxylic acid, 2-Hydroxy-, tris(C12-C13-branched-alkyl)ester is classified as not readily biodegradable, but inherently biodegradable (without pre-adaptation) and with the potential for complete mineralization.
The ready biodegradability of the structurally related substance 1, 1,2,3 -Propanetricarboxylic acid, 2 -Hydroxy-, tris(C14 -C15 -alkyl)ester), was determined with a non-adapted activated sludge over a test period of 48 days in the Modified Sturm Test according to OECD 301 B. Based on this test the substance is classified as readily biodegradable.
The source substance 1 , Tri (hexyl, octyl, decyl)-citrate, has a mean biodegradability in the CO2 Evolution Test according to OECD 301 B of 67% after 28 days. For UVCB substances the 10-day window condition should not be applied. Therefore Tri (hexyl, octyl, decyl)-citrate is regarded as readily biodegradable.
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