Caustic potash; Cyantek CC 723; Hydroxyde de potassium [French]; Potash; Potash lye; Potassa; Potasse caustique [French]; Potassio (idrossido di) [Italian]; Potassium (hydroxyde de) [French]; Potassium hydrate; Potassium hydroxide; [ChemIDplus] UN1813; UN1814
Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.]; [NIOSH]
Used to make liquid soaps; it is also used in paint, varnish removers, and drain cleaners; it is used in electroplating, photoengraving, and lithography. [ACGIH] Used as a wet etchant in semiconductor manufacturing at standard concentrations of 50% or 10%; [CSH, p. 46]
Liquid causes second or third degree burns after short contact. [CHRIS] Potassium hydroxide 30-70% is highly corrosive to skin; [Quick CPC] A corrosive substance that can cause pulmonary edema; [ICSC] See "Sodium hydroxicde."
Skin Designation (ACGIH)
VP: negligible at room temperature; [CHEMINFO]
Industrial Processes with risk of exposure:
Activities with risk of exposure: