Sodium hydroxide（NaOH）

Sodium hydroxide is an inorganic compound, the chemical formula NaOH, has strong alkalinity and strong hygroscopicity. Easy to dissolve in water, releases heat when dissolved, the aqueous solution is alkaline, and has a smooth feeling; Highly corrosive. It can be used as an acid neutralizing agent, a masking agent, a precipitant, a precipitation masking agent, a coloring agent, a saponification agent, a peeling agent, a detergent, etc., with a wide range of applications.