Registration Dossier
Registration Dossier
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EC number: 500-655-7 | CAS number: 161308-15-2
Endpoint summary
Administrative data
Description of key information
Additional information
The biodegradation test was conducted to evaluate the biodegradation of the test substance in water in accordance with the Test Method Relating to New Chemical Substances <Biodegradability Test of Chemical Substances by Microorganisms> (Yakushokuhatsu No. 1121002, Heisei 15.11.13 Seikyoku No. 2, Kanpokihatsu No. 031121002, November 21, 2003; the latest revision, November 20, 2006) with GLP. After 28 days, from the degradability results based on the BOD (av. 0%) and the residual test substance amount (av. 2%) as well as the peak shape of the test substance on the HPLC chromatogram which showed no change, it is concluded that the test substance is not readily degradable and was not transformed structurally under the conditions of this test.
The substance is highly insoluble (water solubility: < 0.025 mg/l), thus the biodegradation simulation test in water can be waived according to REACH Annex IX column 2. And based on the screening test result of biodegradation in water, we can conclude the test substance is persistent or very persistent substance for the worst case consideration. Thus, no more simulation test for sediment and soil are needed.
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