Acute and Subacute Toxicology and Safety Evaluation of Triphenyl Tin Hydroxide (Vancide KS)

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Abstract
The acute oral LD50 in Sprague-Dawley rats was determined to be 171 mg/kg (100-295) for males and 268 mg/kg (205-344) for females. 2. A 1 ppm dietary supplement of Vancide KS for 90 days did not induce any abnormalities in weanling Sprague-Dawley rats. The parameters evaluated were serum glutamic-oxaloacetic transaminase (SGOT), hematocrit, differential white blood cell count, food consumption, and weight gain, along with histologic studies of the myocardium, spleen, liver, kidney, stomach, and small intestine. A 500 ppm diet was lethal. Weanling and older rats subjected to 1000 and 10,000 ppm diets died within 5 days. 3. Vancide KS induced no acute dermal toxicity, nor did it exhibit percutaneous absorption in New Zealand strain albino rabbits. 4. Vancide KS induced no chronic dermal toxicity in New Zealand strain albino rabbits. 5. Vancide KS was not shown to be teratogenic. It exhibited an antifertility action, especially in Sprague-Dawley rats dosed on day 1 through day 7 of timed-pregnancy. 6. Vancide KS was shown to be an eye irritant which induces corneal opacity. 7. Acute oral toxicity studies in Sprague-Dawley rats indicate that Vancide KS should be classified as a toxic substance as defined in the regulations under the Federal Hazardous Labeling Act. 8. The intravenous administration of 25 mg/kg of Vancide KS to New Zealand strain albino rabbits induced death preceded by topic convulsions. 9. Vancide KS did not induce skin sensitization in male adult guinea pigs.

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