Let's take a preliminary look at the chemical formula of sodium hydroxide, NaOH, commonly known as caustic soda, caustic soda, and caustic soda. Exothermic) and form an alkaline solution, and deliquescence is easy to absorb water vapor (deliquescence) and carbon dioxide (deterioration) in the air, and hydrochloric acid can be added to check whether it is deteriorating.
NaOH is one of the necessary chemicals in chemical laboratories, and it is also one of the common chemicals. Pure products are colorless and transparent crystals. Density 2.130g/cm³. Melting point 318.4 ℃. Boiling point 1390 ℃. Industrial products contain a small amount of sodium chloride and sodium carbonate, which are white opaque crystals. There are blocks, flakes, granules and rods, etc. The formula is 39.997.
Sodium hydroxide can be used as an alkaline cleaning agent in water treatment, soluble in ethanol and glycerol; insoluble in propanol and ether. It disproportionates with halogens such as chlorine, bromine and iodine. Neutralizes with acids to generate salt and water. In this introduction, we know that sodium hydroxide is a strong corrosive alkali and is not suitable for making snow melting agents, because snow melting agents, that is, salts, are not corrosive, so sodium hydroxide is not suitable for making snow melting agents!
