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EC number: 284-219-9
CAS number: 84812-94-2
degradation; Hydrolysis: The
study does not need to be conducted because the substance is readily
substance is considered to be readily biodegradable.
(BCFBAF v3.01) estimates BCF to be 3.162 L/kg wet weight,
(KOCWIN v2.00) estimates that Log Koc lies in the range 1.43 to 2.81
key study, test material containing 70% carbon by weight was evaluated
using OECD 301 B and test material gave > 60% degradation relative to
the ThCO2 value with a maximum of 75.1% recorded on Day 17. For complex
mixtures a stepwise, sequential adaptation of the microorganisms to the
individual substance components is often observed, the 10-day window
does not apply to UVCB substances that are composed of homologous
constituents and, in accordance with ECHA Guidance on Information
Requirements and Chemical Safety Assessment Chapter R.7b: Endpoint
specific guidance (Version 4.0; June 2017), the substance may be
considered readily biodegradable because theoretical carbon dioxide
(ThCO2) was > 60% over 28 days.
supporting study, exposure of enriched natural seawater to the same test
material using OECD 306 caused dissolved oxygen concentration to
decrease from 7.58 mg O2/L on day zero to 3.53 mg/L on day 28 (dissolved
oxygen removal of 47% over 28 days). According to ECHA Guidance on
Information Requirements and Chemical Safety Assessment Chapter R.7b:
Endpoint specific guidance (Version 4.0; June 2017), the test substance
cannot be used to demonstrate ready biodegradability because dissolved
oxygen concentration removal was < 70%.
substance is expected to have medium affinity for soil because Log Koc
is predicted to be > 2 and < 4. No information is currently available to
describe pH dependence.
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.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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