Registration Dossier
Registration Dossier
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EC number: 203-577-9 | CAS number: 108-39-4
Endpoint summary
Administrative data
Description of key information
Additional information
Stability
The tropospheric half-life of m-cresol is approximately 6 h due to degradation by OH radicals with an average concentration of 500000 radicals/mL.
With regard to its chemical structure m-cresol is not expected to hydrolyse under environmental conditions.
Biodegradation
m-Cresol is readily biodegradable. It is inherent biodegradable, and anaerobically biodegradable. Biodegradation half-lives in 2 agricultural soils were determined to be 0.6 for a sandy loam and 11.3 for a sandy silt loam.
Bioaccumulation
The bioconcentration factor (BCF) in fish (Leuciscus idus melanotus) was determined with 14C-labelled m-cresol. A BCF of 20 was obtained for m-cresol, indicating that the substance is not bioaccumulative.
Adsorption / desorption
The Koc of m-cresol was determined in an experiment, similar to the OECD Guideline 106. A Koc value of 35 was obtained, suggesting a low potential for adsorption.
Distribution
The experimentally determined Henry's law constant for m-cresol is 0.087 Pa*m³/mole at 25°C. The distribution of m-cresol in a unit world was calculated according to the Mackay fugacity model level I based on its physico-chemical properties. The main target compartment for m-cresol is water with 96.3 %, followed by air with 2 %, soil and sediment each with 0.7 %.
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