Sodium Fluoride for toothpaste CAS 7681-49-4
Sodium Fluoride
Molecular Formula: NaF
Purity:99%min
Mol. Wt:41.99
Cas No.:7681-49-4
UN: 1690
EINECS: 231-667-8
Synonyms: Sodium Fluoride ,Dentalfluoro ,Duraphat ,Villaumite
Description:Colorless shiny crystal or white powder.Tetragonal system,Has a regular hexahedron or octahedral crytal.soluble in water,slightly soluble in ethanol.Aqueous solution is alkaline.Corrosive glass.Dissolved in hydrofluoric acid to form sodium hydrogen fluoride.Poisonous.Corrode shin,irritating mucosa.Invading the nervous system.Relative density:2.558. Melthing point :993â??,boiling point:1704â?? .
Functional use:Wood preservatives,brewing industry fungicides,agriacltural.pesticides(must be dyed in blue).Medical preservative.Welding acid .Oxidation treatment agent for dringking water.Metallurgical cosolvent manufacture of other fluoride raw materials.
