Also known as caustic soda, caustic soda, solid alkali, caustic soda and caustic soda. Sodium hydroxide is strongly alkaline and highly corrosive, and can be used as acid neutralizer, complexing masking agent, precipitant, precipitation masking agent, color developing agent, saponifying agent, peeling agent, detergent, etc., and is widely used.

If you accidentally touch your skin and eyes, wash them with plenty of water immediately, and the working environment should have good ventilation conditions. Sodium hydroxide aqueous solution has a satiny feeling, and when it is dissolved in water, it generates high heat. Wear protective eyepiece and rubber gloves when operating, and be careful not to splash it on the skin or eyes.

nature

Sodium hydroxide has strong alkalinity and strong hygroscopicity. Soluble in water, it releases heat when dissolved, and the aqueous solution is alkaline and has a greasy feeling; Very corrosive, corrosive to fiber, skin, glass, ceramics, etc.

Reacting with metal aluminum and zinc, nonmetal boron and silicon to release hydrogen, and disproportionating with halogen such as chlorine, bromine and iodine; Neutralizing with acids to produce salt and water.

Reference to the above content? Baidu encyclopedia-sodium hydroxide