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EC number: 284-892-9
CAS number: 84989-04-8
The fraction of tar acid rich in 3- and 4-methylphenol, recovered by distillation of low-temperature coal tar crude tar acids.
Toxicity of cresols to the terrestrial
compartment is hardly investigated. Only data on terrestrial plants are
available. In a guideline study the effect of o-cresol and m-cresol on
germination and growth of lettuce (Lactuca sativa) was
investigated. After an exposure period of 14 days EC50 values ranging
between 233 mg/kg dw soil and more than 242 mg/kg dw soil were found in
Comparison of the PNECsoil and the
expected exposure of cresols to the soil indicate that there is no
unacceptable risk to the terrestrial compartment (PEC/PNEC < 1). Since
no risk is expected from the amount of cresols that end up in the
environment no further studies on terrestrial toxicity (i.e. earthworms,
arthropods, microorganisms, birds) are required. Due to the low
bioaccumulation potential of cresols, an accumulation of the substances
in the food chain is not expected and thus secondary poisoning by
predatory animals can be excluded.
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