1. Lub sij hawm ntev cia nyob rau hauv cov huab cua yog yooj yim rau oxidize thiab cov xim yuav darker, nrog sublimation. Nws muaj ib tug faint peculiar tsw thiab irritating ntawm daim tawv nqaij. Nws yog combustible nyob rau hauv cov ntaub ntawv ntawm qhib nplaim taws thiab kub kub.
2. Cov tshuaj lom, tshwj xeeb tshaj yog cov khoom ua kom zoo tsis tiav nrog diphenylamine, yuav muaj tshuaj lom yog tias noj lossis nqus tau. Cov khoom no tuaj yeem nqus tau los ntawm daim tawv nqaij, ua rau tawv nqaij ua xua, dermatitis, discoloration ntawm cov plaub hau thiab rau tes, o ntawm conjunctiva thiab cornea, irritation ntawm lub plab thiab hnyuv, puas rau lub raum thiab daim siab, thiab ua rau hemolytic anemia, mob plab, thiab tachycardia. Cov neeg ua haujlwm yuav tsum hnav cov iav tiv thaiv. Cov neeg uas tau ua yuam kev yuav tsum tau muaj plab hnyuv sai sai rau kev kuaj mob thiab kho.
