Registration Dossier
Registration Dossier
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EC number: 202-423-8 | CAS number: 95-48-7
Biodegradation in soil
Administrative data
Link to relevant study record(s)
Description of key information
o-Cresol degraded with half-live times of 1.6 d for the sandy loam (basic soil) and 5.1 d for the sandy silt loam (acidic soil).
Key value for chemical safety assessment
- Half-life in soil:
- 5.1 d
- at the temperature of:
- 20 °C
Additional information
The degradation behaviour of o-cresol was investigated in two different soils. The first soil (acidic) was a sandy loam with an organic carbon content of 0.94%. The second soil (basic) was a sandy silt loam with an organic carbon content of 3.25%. The loadings of the soils (250 to 500 mg/kg) and the degradation were monitored by an HPLC method. Maintained in the dark at 20°C, the test compound degraded with a half-life time of 1.6 days (basic soil) and 5.1 days (acidic soil). The latter result yields a degradation rate constant of 13.59% per day (first order kinetics)
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