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EC number: 201-161-1
CAS number: 78-95-5
Monochloroacetone was examined for ready biodegradability according OECD
Guideline 301D. The Theoretical oxygen demand (ThOD) was not correctly
calculated in the original report and expressed in units that led to a
completely wrong value for the degradation rate of the test substance.
The ThOD must have been 1.21 mg/mg as recalculated with the formula
given in the OECD Guidelines. The degradation rates in Table 3 of the
test report were therefore recalculated with the correct ThOD.
Monochloroaceton was not readily biodegradable under the conditions of
the test. The biodegradation rate was 59.9 %. The procedure control
worked as expected and the toxicity control did not indicate toxicity to
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