Registration Dossier
Registration Dossier
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EC number: 203-957-4 | CAS number: 112-31-2
Endpoint summary
Administrative data
Description of key information
Additional information
Decanal was found to be readily biodegradable under the strict testing conditions of the OECD301F guidelines. In addition, the concentration used in the test (100 mg/L), it is not inhibitory to micro-organisms. In an inherent biodegradation test (OECD 302) high levels of ultimate biodegradation were also achieved (78 % after 28 days).
Further biotic degradation testing such as simulation tests in surface water, sediment and soil is waived. Since decanal is readily biodegradable simulation tests will provide little additional information as rapid mineralisation in the environment is already assumed. Moreover, the chemical safety assessment according to Annex I gives safe risk characterisation ratios at the regional scale and therefore half-life data from simulation tests is not required to further refine the environmental risk assessment.
Assessment of hydrolytic stability was not performed as Decanal is readily biodegradable and as such, according to Regulation (EC) 1907/2006, it is unnecessary to investigate hydrolysis as a function of pH.
Information on phototransformation in air, water and soil is not available. It is not a standard information requirement under REACH.
The bioaccumulation potential of decanal has been assessed using screening data (log Kow of 3.8, estimated BCF of 112 to 339 L/kg). The information is deemed sufficient for classification purposes, the PBT assessment and the chemical safety assessment. Therefore bioaccumulation tests are waived.
The Koc for Decanal was determined to be 794 according to an OECD 121 study.
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