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EC number: 439-210-6
CAS number: 554-62-1
Biodegradation: readily biodegradable (68% after 28 days)
A reliable key study was available on microbial degradation of
Phytosphingosine. The study was performed for 28 days according to OECD
301C, Ready Biodegradability-MITI (I) (adopted 1992) and in compliance
with GLP. The percentage biodegradations of the test substance,
Phytosphingosine, observed by BOD measurement were calculated in the
range of 66.0 - 69.1 % and the average percentage biodegradation was
68.0 % after 28 days. Results indicate that the test substance is ready
biodegradable in aqueous condition (>60% according to the guideline).
The percentage biodegradation based on the residual amount of test
substance by HPLC analysis was calculated to be 97.0 %. The study
fulfilled the validity criteria of the guideline and was considered
reliable and adequate for the environmental hazard assessment.
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