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EC number: 293-917-2
CAS number: 91648-55-4
Readily biodegradable according to OECD criteria: 90-100% after 28 days
based on CO2 evolution (OECD 301 B)
A GLP-study assessing ready biodegradation of C16-20AS Na (CAS
91648-55-4) was performed according to OECD 301 B guideline (BASF,
2015). Effluent of the sewage treatment plant handling predominantly
domestic sewage was used as inoculum. The initial concentration of the
test substance was 69 mg/L (20 mg/L as TOC). Biodegradation of 90-100%
was determined after 28 days based on CO2 evolution. Since the test
substance is a mixture of similar compounds, the 10-day window does not
apply. Based on this result it can be concluded that C16-20AS Na (CAS
91648-55-4) is is readily biodegradable according to OECD criteria.
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