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EC number: 500-116-6 | CAS number: 52609-19-5 1 - 2.5 moles ethoxylated
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Toxicity to microorganisms
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Link to relevant study record(s)
Description of key information
EC50 (3h) = 140 mg/L for activated sludge
EC50 (16.9h) > 10 g for Pseudomonas putida
Key value for chemical safety assessment
Additional information
Since no data for 2 -hexyldecan-1-ol ethoxylated (< 2.5 EO) are available, toxicity to microorganisms is assessed on the basis of data from two studies with similar alcohol ethoxylates (C12, 4 EO, CAS 9002-92-0 and C12-14, 6 EO, CAS 68439-50-9).
In a respiration test with domestic activated sludge according to EG-guideline 88/302/EG and GLP (Sasol, 1997), an EC50 (3h) of 140 mg/L was determined. This finding is supported by the result of a test with Pseudomonas putida according to DIN 38412, part 8 and GLP (Sasol, 1996) that revealed an EC50 (16.9 hours) > 10 g/L.
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