Registration Dossier
Registration Dossier
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EC number: 700-518-3 | CAS number: 38233-76-0
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
-1% Degradation over 28 days based on O2 consumption measurement.
Key value for chemical safety assessment
- Biodegradation in water:
- under test conditions no biodegradation observed
Additional information
A biodegradation study (Mitsubishi Kasei Institute of Toxicological and Environmental Sciences, 1988) was conducted to assess the ready biodegradability of ETD in water. The study was conducted according to official test methods (Test Method Relating to New Chemical Substances, Kanpogyo No. 5, Yakuhatsu No. 615, 49 Kikyoku No. 392, 1974) and in compliance with GLP.
On the basis of oxygen consumption, the test material was found not to have degraded over the 28 -day monitoring period (mean degradation -1%). On this basis, ETD is considered not to be readily biodegradable. It was noted that residual test material concentrations in media had decreased over the monitoring period, however this was considered to have been due to volatilization.
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