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EC number: 940-592-6 | CAS number: -
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Ready Biodegradability in a Manometric Respirometry Test
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, not fulfilling specific criteria
Additional information
Whilst the test material cannot be considered to be readily biodegradable under the strict terms and conditions of OECD Guideline 301F, the evidence of aerobic degradation (52.4% after 28 days and 62.2% after 56 days) that did not plateau before the end of the 56-day indicate the potential for complete mineralisation in the environment.
Complete mineralisation in the environment of the test material is supported by the data obtained individually for the two main compounds, bis(2,3-epoxypropyl) terephthalate and tris(oxiranylmethyl)benzene-1,2,4-tricaboxylate, in a same assessment of the readily biodegradability with the manometric respiratory test.
Bis(2,3-epoxypropyl) terephthalate was found to be readily biodegradable with a mean biodegradation of 83% (ThODNH4) with the 10-day window passed from day 2 until day 12 (Ibacon Project 57786163, October 11, 2010). Tris(oxiranylmethyl)benzene-1,2,4-tricaboxylate was not considered to be readily biodegradable but the 59% of aerobic degradation that did not plateau before the end of the 28-day also indicate the potential for complete mineralisation in the environment (Ibacon Project 57806163, October 11, 2010).
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