Sodium fluoride powder, toothpaste grade, sodium fluoride - Introduction
Sodium fluoride is a colorless crystalline solid. It has high solubility and can quickly dissolve in water. One of the main uses of sodium fluoride is as an anti cavity agent in toothpaste and mouthwash, as fluoride can effectively protect teeth from the erosion of cavities. Sodium fluoride can also be used to prepare other fluoride compounds, such as being used as a flux in aluminum smelting processes. Sodium fluoride can also be used in the preparation of electronic, metallurgical, and optical materials industries.
Sodium fluoride can be prepared by various methods. A common method is to react hydrogen fluoride with sodium hydroxide to produce sodium fluoride. The reaction equation is: HF+NaOH → NaF+H2O. Sodium fluoride can also be prepared by heating sodium fluoride ore with limestone and then subjecting it to high-temperature hydrolysis with steam.
When handling sodium fluoride, appropriate protective measures should be worn to avoid contact with the skin and eyes. Sodium fluoride should be properly stored to avoid contact with acidic substances, in order to prevent the production of harmful hydrogen fluoride gas. When using sodium fluoride to prepare other compounds, it is necessary to follow the correct operating procedures to ensure personal safety and laboratory safety.