Usually DANGER or WARNING depending on concentration.
Under the modern Globally Harmonized System (GHS) guidelines, NALCO 77225 carries a distinct classification profile due to its base chemical strength: : Danger Hazard Statement : May be corrosive to metals nalco 77225 safety data sheet updated
Evacuate personnel to safe areas and utilize full personal protective equipment (PPE). Usually DANGER or WARNING depending on concentration
If you have the of the SDS you are using, I can help you identify any changes since that time. nalco 77225 safety data sheet updated