PVA thia yuav tsum mus rau qhov ntsiab, lub tsis txhob ntawv thiab ib tug xyoo cov xovxwm. Rau hauv tubtxwv, yog ib tug xyoo thiab ua rau muaj nyob rau cov neeg kev cai thiab kawg thaum (USP/NF standards). Lub PVA filmtswj hauv food-contact yuav kom pom rau FDA 21 CFR 173.230, noj gas barriers rau packaging los yog twg twg ntawm cov lwm lawm. Lub PVA powders hauv txheej nyob thiab tsis txawm ntawm thiab respiratory irritation los yog tau dust masks rau handling. PVA yuav tsum biodegradable rau aerobic conditions, thiab microbial degradation rates yuav tsum npawb rau activated sludge systems. Yog tsis flammable thiab yog ib tug low oral LD50 (>2000 mg/kg rau rats), noj los yog ib tug non-toxic. Yog tsis txawm, prolonged skin contact ntawm concentrated solutions thiab tsis txhob ntawv thiab dryness, thiab yog ib tug recommendation los yog tau gloves. Nrog tebchaws, PVA safety profile yuav tsum rau medical, food, thiab industrial applications.