Registration Dossier
Registration Dossier
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EC number: 945-889-4 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Hydrolysis
The test item as a whole was expected to be essentially insoluble in water. Therefore the test solution concentration required to dissolve all the components (less than half the water solubility) would be impractically low and a sufficiently sensitive analytical method was not available. The test item is a complex mixture, to which the test method is not ideally suited because each component that is unstable is likely to have its own hydrolytic rate. Hydrolysis products of components of a complex mixture can be the same as some of the already present components and differentiating these would not be possible. From information provided by the sponsor, the main functional groups within the components of the test item were alcohols, carboxylic acids and esters. Alcohols and carboxylic acids are generally stable to hydrolysis at environmentally relevant pH and temperature while esters are prone to hydrolysis, especially in alkaline conditions. However, the smaller ester-containing components may already be present in the test item and the larger esters may be significantly more hydrolytically stable due to low water solubility. Overall, these issues make hydrolysis testing unfeasible and testing was not carried out using Method 111 of the OECD Guidelines for Testing of Chemicals (13 April 2004) and Method C.7 Abiotic Degradation, Hydrolysis as a Function of pH of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Biodegradation in water: screening tests
The test item attained 53 % biodegradation after 28 days and therefore cannot be considered to be readily biodegradable (OECD Guideline No. 301B).
Adsorption / desorption
The adsorption coefficient of the test item has been determined to be greater than 4.27 x 10E05 with log10 Koc > 5.63 (OECD 121 and EU Method C.19).
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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