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EC number: 609-946-4 | CAS number: 41637-38-1
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
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- Particle size distribution (Granulometry)
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- Endpoint summary
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- Ecotoxicological Summary
- Aquatic toxicity
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- Additional toxicological data

Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Two screening test were performed to assess the biodegradability of the test substance in water.
In the first test, a biodegradation of 24% was reached at Day 28 and 54% at Day 63.
In the second test, a biodegradation of 43% was reached at Day 28 and 66% at Day 60.
These results were supported by the data of two analogues (Ethoxylated bisphenol A diacrylate and 2 moles ethoxylated bisphenol A dimethacrylate) which obtained 20-21% degradation at Day 28 (OECD 301B and D) and 65.1% of biodegradation at Day 28 (OECD 301F), respectively.
Key value for chemical safety assessment
- Biodegradation in water:
- inherently biodegradable, fulfilling specific criteria
Additional information
Two screening test were performed according to OECD 301D testing guideline to assess the biodegradability of the test substance in water. The first one used non-adapted activated sludge as source of inoculum whereas non-adapted river water was used in the second.
The test item attained 24% and 43% of biodegradation after 28 days, respectively. These tests were extended and biodegradations of 54% and 66% were reached at Day 63 and 60, respectively. Therefore, the test item cannot be considered to be readily biodegradable under the strict terms and conditions of OECD Guideline No. 301D. However, the biodegradation continued after Day 28 to reach value higher than 60% indicating a high potential for ultimate biodegradation.
The data generated for an analogue (Ethoxylated bisphenol A diacrylate) (20-21% of biodegradation at Day 28 and 61% at Day 60) according to OECD testing guideline 301B and were similar to the one obtained for the test item. Another analogue (2 moles ethoxylated bisphenol A dimethacrylate) has been shown to be readily biodegradable with 65.1% of biodegradation at day 28 according to OECD testing guideline 301F.
Based on the values obtained for the test item at Day 28 (24 and 43%), at Days 60-63 (54 and 66%, respectively) and according to the two results of biodegradability available (inherently and readily biodegradable) for two analogues, the test item was considered to be inherently biodegradable and fulfilling specific criteria.
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