1. Gwema ukuthintana nama-oxidants aqinile.
Izici zamakhemikhali: Ukubola kwenzeka engxenyeni engaphezu kuka-200 ℃, futhi inani elincane le-asidi noma i-alkali lingakhuthaza ukubola.I-Propylene glycol carbonate ingashintsha ngokushesha i-hydrolyze phambi kwe-asidi, ikakhulukazi i-alkali, ekamelweni lokushisa.
2. Ubuthi balo mkhiqizo akwaziwa.Qaphela ukuvimbela ubuthi be-phosgene ngesikhathi sokukhiqiza.Indawo yokusebenzela kufanele ibe nomoya omuhle futhi izinto zokusebenza kufanele zingangeni.Abaqhubi kufanele bagqoke izinto zokuzivikela.
3. Emaqabungeni kagwayi aphekwe ngomkhuhlane kanye nentuthu.