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Manganese dioxide: MnO2
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hazard description-
toxic, harmful by inhalation & if swallowed, contact with combustible materials may
cause fire physical properties- black odorless powder acute effects- irritant to skin, mucous membranes, & eyes symptoms of overexposure- may impair the central nervous system, resulting in sluggishness, sleepiness, muscle weakness, loss of facial muscle control, edema, emotional disturbances, spastic gait, & falling chronic poisoning may develop after as little as 3 months of heavy exposure, but usually after 1-3 years may cause gastric or intestinal disorders, nausea back to materials |