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EC number: 237-875-5
CAS number: 14038-43-8
Repeated dose oral toxicity study was
performed to determine the toxic nature of Prussian blue. The test
chemical was mixed with feed and was tested at dose levels of 0 or 500
mg/Kg/day for 120 days. The test chemical was given by the oral (feed)
route of exposure. During the study period, Berlin blue caused a slight
increase in the weight gain of treated rats but it did not show any
statistical significance (P: 0.2). Based on these considerations, the No
observed adverse effect level (NOAEL) for Berlin blue is considered to
be 500 mg/Kg/day.
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