CAS 7681-49-4 Sodium fluoride - Materials / Alfa Chemistry

NAVIGATION

Sodium fluoride

PRICE INQUIRY

Catalog Number

ACM7681494

CAS Number

7681-49-4

Product Name

Sodium fluoride

Category

Electrolytes; Ceramic Materials

Synonyms

Sodium fluoride;

Description

NaF is an inorganic chemical compound with the formula NaF. A colorless solid, it is a source of fluoride ions in diverse applications. Sodium fluoride is less expensive and less hygroscopic than the related salt potassium fluoride.

IUPAC Name

sodium;fluoride

Molecular Weight

41.988172g/mol

Molecular Formula

FNa

Canonical SMILES

[F-].[Na+]

InChI

InChI=1S/FH.Na/h1H;/q;+1/p-1

InChI Key

PUZPDOWCWNUUKD-UHFFFAOYSA-M

Boiling Point

3083 °F at 760 mm Hg (NTP, 1992);1704 °C;1700 °C;3099°F

Melting Point

993ºC

Flash Point

NotºConsidered to be a fire hazard

Density

2.558

Solubility

10 to 50 mg/mL at 73° F (NTP, 1992);4g/100mL;Insoluble in alcohol;Solubility in water 4.0 g/100 ml water at 15 °C. Solubility in water 4.3 g/100 ml water at 25 °C. Solubility in water 5.0 g/100 ml water at 100 °C;Solubility in water, g/100ml at 20 °C: 4.0;4%

Appearance

White odorless powder or crystal

Application

Sodium fluoride serves multiple functions across various sectors due to its chemical characteristics. Primarily, it is used in the fluoridation of municipal drinking water, where adding 1 ppm of sodium fluoride helps prevent dental caries. Its applications extend to being a key component in manufacturing dental products, disinfectants, and adhesives. In the agricultural sector, it functions as an insecticide, rodenticide, and fungicide, and is occasionally used in food preservation as a preservative and anti-fermentation agent. Industrially, sodium fluoride is integral in the production of ceramics, enamel, coated paper, and frosted glass. It plays a crucial role in mineral processing by acting as a depressant in the beneficiation of non-sulfide minerals and during the separation of zirconium-titanium minerals. Medically, sodium fluoride promotes the activity of osteoblasts, aiding in bone formation, making it a nonhormonal bone-forming agent when coupled with calcium supplementation. However, careful management of its dosage is essential due to its narrow therapeutic window in osteoporosis treatment. Sodium fluoride's expansive range of uses underscores its significance as a versatile and vital chemical reagent.

Color/Form

Colorless, cubic or tetragonal crystals;White powder or colorless crystals [Note: Pesticide grade is often dyed blue].

Complexity

Covalently-Bonded Unit Count

EC Number

231-667-8

Exact Mass

41.988172g/mol

Formal Charge

Hazard Class

6.1

Heavy Atom Count

ICSC Number

0951

Log P

-2.99600

MeSH Entry Terms

Fluoride, Sodium;Fluorides, Sodium;Fluoristat;Fluoristats;Ossin;Ossins;Sodium Fluoride;Sodium Fluorides;Zymafluor;Zymafluors

Monoisotopic Mass

41.988172g/mol

NSC Number

77385

Odor

Odorless

Other Experimental

Aq soln have alkaline reaction caused by partial hydrolysis; aq soln etch glass;VP: 1 mm Hg at 1077 °C;All alkali fluorides, with the exception of the lithium salt, absorb hydrogen fluoride to form acid fluorides of the type MHF2 where M is the alkali metal.

Refractive Index

1.336

Rotatable Bond Count

RTECS Number

WB0350000

Stability

Stable. Hydrolyzed by water. Reacts with mineral acids to generate highly toxic hydrogen fluoride. Incompatible with glass.

Storage Conditions

2-8ºC

UNII

8ZYQ1474W7

UN Number