Very irritable to skin, eyes, and mucous membranes. Will produce holes in clothing and cause severe burns. Generates lots of heat when mixed with water - when diluting solutions always add acid to water and do so slowly with mixing. Bases Sodium Hydroxide, NaOH, lye and Potassium Hydroxide, KOH Skin and eye irritant. Corrosive action on tissues.
Ingestion causes serious damage to mucous membranes and other tissues.
Produces considerable heat when dissolving in water. Solid and concentrated solutions react violently with acids and some metals. At the end of each lab period, ask the instructor to initial your data sheet. This needs to be part of the lab report for each student. Lab Report We strongly encourage cooperative learning.