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EC number: 204-794-1 | CAS number: 126-58-9
The potential for biodegradation of di-pentaerythritol was determined in a study according to SS-EN ISO 7827:1996/OECD 301 A. The quantity of test substance DOC that was degraded in this study was less than 20%. According to OECD guidelines for testing chemicals, a test compound is regarded as easily biodegradable if the loss of DOC within 28 days is greater than 70 %. This criterion was not reached for the test article and, as such, Di-Pentaerythritol cannot be regarded as readily biodegradable.
In a further supportive study, the aerobic biodegradability of di-pentaerythritol was investigated in a study with methodology closely corresponding to OECD 301 D. The results of this study suggested that little biodegradation took place during the test period.
Given these results Di-Pentaerythritol cannot be considered to be readily biodegradable or rapidly removed in the STP.
In accordance with REACH Annex IX, based on available data, the substance is not classified as hazardous for the environment. Therefore degradation simulation testing in water and/or sediment and soil does not need to be conducted.
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