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Ecotoxicological information

Short-term toxicity to fish

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Description of key information

LC50 (96 h) = 4.4 mg/L on Salmo trutta (static bioassay) 

Key value for chemical safety assessment

Additional information

The acute toxicity of o-, m-, and p-cresol to fish was determined in a static bioassay on several freshwater species (Howland, 1969). After an exposure period of 96 h the following most critical toxicity values were found on the single isomers:

o-cresol: LC50 = 6.2 mg/L on Salmo trutta

m-cresol: LC50 = 7.6 mg/L on Salvelinus fontinalis

p-cresol: LC50 = 4.4 mg/L on Salmo trutta