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EC number: 204-427-5
CAS number: 120-80-9
an acute oral toxicity study (Flickinger,
of 5 albino male rats were
given a single oral dose of catechol at
doses of 0, 158, 316, 630 and 1260 mg/kg bw and observed for 14 days.
No death occured at 158 mg/kg bw, 2/5 died
at 316 mg/kg bw and 5/5 at 630 mg/kg bw.
No clinical signs were reported and the
autopsy revealed for rats died during the study: hyperemia of the
stomach and intestines. None of the rats sacrifed at the end of the
experiment revealed gross pathology during pathological examination.
LD50Males = 300 mg/kg bw (95% C.L. 200-500 mg/kg)
is considered to be toxic if swallowed based
on the LD50 obtained.
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