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EC number: 204-427-5
CAS number: 120-80-9
Catechol is not considered as presenting a strong binding behaviour to organic or mineral soils.
Two studies are available (Boyd, 1982;
Haderlein & Schwarzenbach, 1993). The first of them, scored as
reliability 2 according to Klimisch, was flagged as a key study. It was
performed accordingly to OECD guideline 106, except that one soil type
was used. A Koc value of 118.44 and an associated Log Koc of 2.07 were
reported; implying that catechol is not considered as presenting a
strong binding behaviour to soil organic particles. The second study,
also scored as Klimisch 2, investigated the adsorption potential of
catechol to mineral surfaces. A Kd value of 25 L/kg was reported;
supporting a low potential for adsorption in mineral soils also. This
study was selected as a supporting study.
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