Phosphoric acid tsis yog volatile, tsis yooj yim rau decompose, thiab yuav luag tsis muaj oxidation.Phosphoric acid feem ntau yog siv rau hauv kev lag luam tshuaj, zaub mov, chiv thiab lwm yam lag luam, suav nrog cov tshuaj tiv thaiv kab mob, khoom noj khoom haus, kho hniav thiab orthopedic, EDIC corrosive, electrolyte, flux, dispersant, industrial corrosive, chiv raw khoom thiab cov khoom siv tu tsev, thiab kuj tuaj yeem siv los ua tshuaj reagent.