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EC number: 947-912-3 | CAS number: -
Table 1: Mean degradation rates
Table 2: Validity criteria for OECD 301.
Criterion from the guideline
Validity criterion fulfilled
Difference of extremes of replicate values of the removal of the test chemical at the plateau, at the end of the test or at the end of the 10-d window, as appropriate, is less than 20%.
Percentage degradation of the reference compound has reached the pass levels by day 14.
The toxicity control should degrade to at least 35% (based on DOC) or at least 25% (based on ThOD or ThCO2) within 14 d.
The IC content of the test substance suspension in the mineral medium at the beginning of the test must be less than 5% of the TC.
The total CO2 evolution in the inoculum blank at the end of the test should not normally exceed 40 mg/L medium.
Readily Biodegradable: 82.2% in 28 d (OECD 301B)
The ready biodegradability of Fatty acids, C18-unsaturated, 1,6 Hexanediol Diester was tested in a guideline study following OECD 301B (GLP). Activated sludge (domestic, non-adapted) was used as inoculum. The degradation was followed by measuring the CO2 evolution. After 28 days of exposure the substance was degraded by 82.2% and the ten-day window criterion was met. Thus, the substance is readily biodegradable according to OECD criteria.
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