Registration Dossier
Registration Dossier
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EC number: 701-281-9 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Stability
Hydrolysis
A Hydrolysis study was performed according to (OECD 111 (2004) und die EU Method C.7(2008)). Less than 10 % of the test substance hydrolysed within 5 days at pH 4, pH 7 and pH 9 at 50 °C.
The test substance was determined to be stable to hydrolysis at each pH-value tested and no additional testing was required.
According to the guideline it is estimated that the half-life of the test substance in aqueous solution at 25 °C is greater than one year for pH 4, pH 7 and pH 9.
Biodegradation
Biodegradation in water: screening test
The ready biodegradability of the test substance was determined according to OECD 301 E (1992).
The test substance was degraded 11.2 % within 28 days of incubation. The test substance is considered to be non- biodegradable.
Biodegradation in water and sediment: simulation tests
In accordance with section 9.2 of Annex IX of the REACH regulation, the chemical safety assessment according to Annex I does not indicate the need to investigate further the effects on degradation of the substance. The chemical safety assessment as documented in the chemical safety report indicates that the test substance is not hazardous to the environment and the risks for the use of the test substance are controlled. A further refinement of the PECs with additional information on the degradation of the test substance and its degradation products in water and sediment is therefore not required (see further details in Chapter 13 "Justification for non-performance of the studies" (attached document and discussion)).
Biodegradation in soil
The adsorption coefficient Koc of the test substance is very low (1.16). The potential for adsorption to soil is negligible, therefore a biodegradation in soil test is considered to be not necessary.
Bioaccumulation
Bioaccumulation: aquatic/sediment
The study does not to be conducted because the substance has a low potential for bioaccumulation based on log Know <= 3. The partition coefficient n-octanol/water is determined to be 1.67.
Transport and distribution
Adsorption/desorption
An adsorption/desorption Test was performed according to OECD 121. The mean adsorption coefficient log Koc of the test substance was determined to be 1.16 at pH 6.5.
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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