What is the chemical formula of sodium fluoride?

Jan 06, 2026

Leave a message

Sodium fluoride is a well - known chemical compound with a wide range of applications in various industries. As a sodium fluoride supplier, I am often asked about its chemical formula and other related details. In this blog, I will delve into the chemical formula of sodium fluoride, its properties, uses, and why it is an important product in the market.

Chemical Formula of Sodium Fluoride

The chemical formula of sodium fluoride is NaF. This formula represents the combination of one sodium (Na) atom and one fluorine (F) atom. Sodium is an alkali metal with an atomic number of 11, and it has a tendency to lose one electron to achieve a stable electron configuration. Fluorine, on the other hand, is a halogen with an atomic number of 9, and it has a strong tendency to gain one electron. When sodium and fluorine react, sodium donates its outermost electron to fluorine. This results in the formation of a sodium cation (Na⁺) and a fluoride anion (F⁻). The electrostatic attraction between these two ions forms an ionic bond, and the compound sodium fluoride (NaF) is created.

Properties of Sodium Fluoride

  • Physical Properties: Sodium fluoride is a white, crystalline solid at room temperature. It has a molar mass of approximately 41.99 g/mol. It is odorless and has a density of about 2.558 g/cm³. Sodium fluoride has a high melting point of 993 °C and a boiling point of 1704 °C. These high melting and boiling points are characteristic of ionic compounds, as the strong electrostatic forces between the ions require a large amount of energy to break apart.
  • Solubility: Sodium fluoride is soluble in water. When it dissolves in water, it dissociates into sodium ions (Na⁺) and fluoride ions (F⁻). The solubility of sodium fluoride in water increases with temperature. At 0 °C, approximately 4 g of sodium fluoride can dissolve in 100 mL of water, while at 100 °C, the solubility increases to about 5 g per 100 mL of water.

Uses of Sodium Fluoride

  • Dental Applications: One of the most well - known uses of sodium fluoride is in dentistry. It is commonly added to toothpaste and mouthwashes. Fluoride ions in sodium fluoride help to prevent tooth decay by strengthening the enamel of the teeth. When fluoride is present in the oral cavity, it can replace the hydroxyl groups in hydroxyapatite, the main mineral component of tooth enamel, to form fluorapatite. Fluorapatite is more resistant to acid attack from bacteria in the mouth, thus reducing the risk of cavities.
  • Water Fluoridation: Many municipalities around the world add small amounts of sodium fluoride to the public water supply. This practice, known as water fluoridation, is a cost - effective way to improve the dental health of the population. By adding fluoride to the water, people are exposed to a consistent and controlled amount of fluoride throughout the day, which helps to prevent tooth decay, especially in children.
  • Industrial Applications: Sodium fluoride is also used in various industrial processes. It is used as a flux in the welding and soldering of metals. In the aluminum industry, sodium fluoride can be used in the production of aluminum fluoride, which is an important component in the Hall - Héroult process for aluminum smelting. Additionally, it is used in the manufacture of pesticides, glass, and ceramics.

Our Sodium Fluoride Products

As a sodium fluoride supplier, we offer high - quality sodium fluoride products to meet the diverse needs of our customers. Our products are manufactured using advanced production techniques and strict quality control measures to ensure their purity and effectiveness.

Sodium Fluoride 7681-49-4202501041438290003872

We have Sodium Fluoride in Woven Bag, which is a convenient packaging option for bulk storage and transportation. The woven bag provides good protection against moisture and physical damage, ensuring the quality of the sodium fluoride during storage and transit.

Our Sodium Fluoride 7681 - 49 - 4 is a high - purity product with a CAS number of 7681 - 49 - 4. This product meets the strictest industry standards and is suitable for a wide range of applications, from dental products to industrial processes.

Why Choose Our Sodium Fluoride

  • Quality Assurance: We are committed to providing the highest quality sodium fluoride products. Our products undergo rigorous testing at every stage of the production process to ensure that they meet or exceed the industry standards. We use state - of - the - art analytical equipment to test the purity, particle size, and other properties of our sodium fluoride.
  • Customized Solutions: We understand that different customers have different requirements. That's why we offer customized solutions to meet the specific needs of our clients. Whether you need a specific grade of sodium fluoride or a particular packaging option, we can work with you to provide the best solution.
  • Competitive Pricing: In addition to high - quality products and customized solutions, we also offer competitive pricing. We strive to keep our costs down without compromising on the quality of our products. This allows us to offer our customers cost - effective sodium fluoride solutions.

Contact Us for Procurement

If you are interested in purchasing sodium fluoride for your dental products, industrial processes, or other applications, we invite you to contact us for a procurement discussion. Our team of experts is ready to assist you with any questions you may have about our products, including product specifications, pricing, and delivery options. We are committed to providing excellent customer service and ensuring that your procurement process is smooth and hassle - free.

References

  • Cotton, F. A.; Wilkinson, G.; Murillo, C. A.; Bochmann, M. (1999). Advanced Inorganic Chemistry (6th ed.). Wiley.
  • Zumdahl, S. S.; Zumdahl, S. A. (2009). Chemistry (8th ed.). Brooks/Cole.
  • American Dental Association. (2019). Fluoride: An Essential Element for Oral Health. Retrieved from the official website of the American Dental Association.