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EC number: 905-588-0
CAS number: -
Groups of 10 male rats were exposed to
measured concentrations of mixed xylenes for 4 hours followed by a 14
day observation period. Five survivors per dose level were then subject
to gross necropsy. All exposures caused CNS depression, with a LOAEC of
580 ppm (2.5 mg/L). The LC50 of mixed xylene in male rats after 4 hours
exposure was 6700 ppm (29091 mg/m3).
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