Registration Dossier
Registration Dossier
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EC number: 277-288-1 | CAS number: 73138-39-3
Endpoint summary
Administrative data
Description of key information
Additional information
Fatty acids, coco, esters with 1,3-butanediol (CAS 73138-39-3) meets the criteria of a UVCB substance. The substance has an overall low water solubility (monoesters are more water soluble than diesters), is characterized by a very low vapor pressure (< 0.001 Pa at 20 °C) and a moderate to high adsorption potential (log Koc: 2.76 – 10.21). Based on these physicochemical properties the substance depending on the constituent is expected to distribute between the water column and soil/sediment compartment. However, the substance is rapidly biodegradable and will be quickly eliminated in both sewage treatment plants and the environment in case of release. Due to rapid biodegradation of the substance, primary degradation via hydrolysis is not considered as a main degradation process.
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