Registration Dossier
Registration Dossier
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EC number: 211-158-7 | CAS number: 631-41-4
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Not readily biodegradable (according to OECD critera).
Key value for chemical safety assessment
Additional information
In a DOC die away test performed according to EU Method C.4-A (equivalently to OECD guideline 301A; BASF AG, 1997; Rep. no. 96/0600/21/1) the degradation potential of tetrakis(2-hydroxyethyl)ammonium hydroxide (CAS 631-41-4) was investigated using non-adapted activated sludge as inoculum.
After 28 days, the degree of biodegradation was between 30% to 40% (based on DOC removal), indicating the substance to be not readily biodegradable (according to OECD criteria).
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