Sodium Fluoride (NaF)-Powder

Characteristic

Sodium fluoride (NaF) is an inorganic compound with the formula NaF. It is a colorless or white solid that is readily soluble in water. It is a common source of fluoride in the production of pharmaceuticals and is used to prevent dental cavities.

Chemical formula：NaF

Molar mass：41.988173 g/mol

Appearance：White to greenish solid

Odor：odorless

Density：2.558 g/cm³

Melting point：993 °C (1,819 °F; 1,266 K)

Boiling point：1,704 °C (3,099 °F; 1,977 K)

Solubility in water：36.4 g/L (0 °C);

                                40.4 g/L (20 °C);

                                50.5 g/L (100 °C)

Solubility：slightly soluble in HF, ammonia negligible in alcohol, acetone, SO2, dimethylformamide

Vapor pressure：1 mmHg @ 1077 C°

Magnetic susceptibility (χ)：−16.4·10⁻⁶ cm³/mol

Refractive index (nD)：1.3252

Crystal structure：Cubic

Application

It is used as phosphating accelerator in coating industry to stabilize phosphating liquid, refine phosphating and improve phosphating film performance.In the phosphating of aluminum and its alloys, the sealing of Al3+, which has a very harmful negative catalytic effect, enables the phosphating of wood preservatives, agricultural pesticides, brewing fungicides, pharmaceutical preservatives, welding flux, alkaline zincate zinc plating additives and enamel, paper industry, etc.

NaF.pdf