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EC number: 271-974-4
CAS number: 68647-86-9
The biodegradability of charcoal (Probe 2: C-Fix = 80.5%), as read-across substance for coconut shell charcoal, was tested according to OECD guideline 301B (CO2 evolution test) and under GLP compliance.
The test item was
tested in a concentration of 25 mg/L. As positive control, aniline was
tested in parallel. The biodegradation of the test substance was
determined by measuring the emitted CO2concentrations on test
days 2, 4, 7, 9, 11, 14, 18, 23, during the 28-day test period and on
day 29. The biodegradation for the whole test period was determined as
<2%. Hence, charcoal (Probe 2: C-Fix = 80.5%) is considered not readily
biodegradable. For the positive control, a degradation of 64% was
achieved within 9 d, ensuring the validity of the test.
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