Registration Dossier
Registration Dossier
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EC number: 232-465-2 | CAS number: 8047-99-2
Endpoint summary
Administrative data
Description of key information
Abiotic degradation:
Hydrolysis: the substance is hydrolytically stable at pH 4,7 and 9 as shown from a OECDTG111 guideline study (2018).
Biotic degradation:
The substance is not ready biodegradable.
In an ultimate biodegradation screening study (ASTM E35.24, 1981) only slow biodegradation was observed (3% at 35 days).
In a valid SCAS test (1983), the substance showed:
- an insignificant effect on DOC removal at the end of the acclimation phase (at 50 ppm, 14d)
- no evidence of adverse effects upon microflora in sludge
- > 99% biodegradation at 21d of the biodegradation phase by HPLC analysis, showing (at least) rapid primary biodegradation
- Similar percentages of DOC removal as positive control during the biodegradation phase, indicating persistency is not anticipated
Distribution:
Based on a low Log Kow partition coefficient (1.8) and its water solubility, it is not expected the substance has a high adsorption potential and a study is therefore waived. However, an Episuite MCI Log Koc value of 2.26 can be predicted (Koc = 180.6).
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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