Registration Dossier
Registration Dossier
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EC number: 700-618-7 | CAS number: 39202-17-0
Endpoint summary
Administrative data
Description of key information
Additional information
Introduction
The study was performed to assess the ready biodegradability of the test item in an aerobic aqueous media and soil/sediment. The method followed was designed to be compatible with the OECD Guidelines for Testing of Chemicals (1992) No. 301F, “Ready Biodegradability; Manometric Respirometry Test” referenced as method C.4-D of Commission Regulation (EC) No. 440/2008 and US EPA Fate, Transport, and Transformation Test Guidelines OPPTS 835.3110 (Paragraph (q)).
Methods
The test item at a concentration of 100 mg/L was exposed to inoculum consisting of sewage treatment microorganisms and soil/sediment filtrate with mineral medium in sealed culture vessels in diffuse light at 21 ± 1 ºC for 28 days.
The degradation of the test item was assessed by the measurement of daily oxygen consumption values on Days 0 to 28. Control solutions with inoculum and the reference item, aniline, together with a toxicity control were used for validation purposes.
Results
The test item attained a mean degradation value of 88% degradation after 28 days and satisfied the 10-Day window validation criterion, whereby 60% degradation must be attained within 10 days of the degradation rate exceeding 10%. The test item can therefore be considered to be readily biodegradable under the strict terms and conditions of OECD Guideline No. 301F.
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