Industrial alcohol contains 96% ethanol and 1% methanol. Methanol is highly toxic and can lead to blindness and even death.
The harm of dibutyl phthalate to human body: it can cause functional changes of central nervous system and peripheral nervous system, and then cause tissue changes. There is hepatotropism.
Karl Fischer reagent contains toxic and harmful chemicals, which belongs to the hazardous waste list HW06 organic solvent waste.
As long as solid waste and liquid waste are corrosive, toxic, flammable, reactive or infectious, they are hazardous waste.