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NaF

Sodium fluoride

IUPAC : Sodium fluoride
HalideSaltPharmaceuticalEverydayIndustrial

The most used source of fluoride in public health. Added to toothpastes and to drinking water in many countries for the prevention of dental caries.

3D ball-and-stick representation of Sodium fluoride (formula NaF). Constituent atoms: Na, F.
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Physical properties

Molar mass41.988 g/mol
State at 20 °Csolid
Density2.558 g/cm³
Melting point1266.00 K (993 °C)
Boiling point1968.00 K (1695 °C)
Solubility (H₂O)4.0 g/100 mL à 18 °C

Structure

Crystal systemCubic
3D render modeBall-and-stick

Uses and applications

  • Toothpastes (cavity prevention, enamel strengthening)
  • Drinking-water fluoridation
  • Insecticide (historical, since replaced)
  • Metallurgy (aluminium-smelting flux)
  • Wood preservation

Safety (GHS)

GHS06 · Acute toxicity
H statements : H301, H315, H319

Toxic if swallowed (lethal dose ~5 g for an adult). Dental doses (< 2 mg) are safe.

Constituent elements

11Na
Sodium
9F
Fluorine

References

PubChem CID5235
CAS7681-49-4
SMILES[Na+].[F-]
Sources : PubChem CID 5235 · CRC Handbook of Chemistry and Physics