Zinc stearate (1989)
Abstract
Zinc stearate was not significantly irritant to the skin or eyes of rabbits but reportedly can cause some skin effects in man. Occupational exposure has been associated with nasal tissue changes. Inhalation of zinc stearate produced lung damage and death in some infants upon single exposure and was believed to have contributed to the death of one worker following long-term exposure. Acute oral toxicity in rats and dermal toxicity in rabbits were low. In rats, direct administration into the windpipe caused tissue changes in the lungs. Zinc stearate was not mutagenic in bacterial tests (including the Ames test).
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