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EC number: 215-089-3
CAS number: 1300-71-6
The toxicity of o-cresol to lettuce seedlings (Lactuca sativa) was determined according to OECD Guideline 208 in soil. The EC50 was 67 mg/kg soil d.w. after 7 d, >100 mg/kg soil d.w. after 14 d (Hulzebos, 1993). The highest effect concentration (EC50 >100 mg/kg) was normalised to an OC content of 3.4% according to TGD (EU 2003), resulting in a corrected EC50 of >242 mg/kg.
The endpoints derived for m-Cresol have been used for this mixed xylenol
assessment. Since there are structural and physical chemical
similarities between the cresols and the other molecules within the
mixed xylenol grouping it is acceptable to assume that their
ecotoxicological profiles would be similar.
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