Registration Dossier
Registration Dossier
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EC number: 422-600-5 | CAS number: 73936-91-1
Endpoint summary
Administrative data
Description of key information
Additional information
The test substance is highly insoluble in water. Therefore, the hydrolysis study was technically not feasible. Moreoever, according to column 2 of REACH Annex VIII, the hydrolysis test does not need to be conducted, if the test substance is highly insoluble. Nevertheless, it can be stated that the substance is generally resistant to hydrolysis because it does not contain any labile functional groups.
The ready biodegradability of the test item was assessed in an OECD 301 B and an OECD 301 C test. Significant degradation could not be observed (-2.7% and 3% degradation). These results indicate that the test item is persistent or even very persitent in the environment.
A testing proposal for the bioaccumulative potential of the substance was submitted since further refinement of the B assessment is needed. A supporting study according to OECD 305 C and several QSAR estimations are existing, showing a predicted BCF value of clearly below 2000.
The experimentally derived logKoc of > 5.6 indicates immobility in soil and adsorption to suspended particles. As the substance is furthermore not volatile and poorly water soluble distribution to sludge, sediment and soil is expected if released to the environment.
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