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EC number: 285-550-1
CAS number: 85116-97-8
NOEC (14 d) of ≥ 14.4 mg/L (OECD 301B, toxicity control)
The toxicity of Fatty acids, C16-18, esters with diethylene glycol
(CAS 85116-97-8) to activated sludge microorganisms was investigated in
a biodegradation study according to OECD 301B under GLP conditions. The
toxicity control available in this test contained activated sludge of a
predominantly domestic sewage, reference substance (sodium benzoate) and
the test substance at a concentration of 14.4 mg/L. The toxicity control
attained 74% degradation after 14 d of incubation. Since more than 25%
degradation was observed in the toxicity control, the substance is with
high probability not toxic to aquatic microorganisms. The test item
concentration in the toxicity control of 14.4 mg/L can be used as NOEC
value for the toxicity to activated sludge microorganisms. Thus, a NOEC
(14 d) of ≥ 14.4 mg/L resulted.
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