product

Sodium fluoride

Short Description:

CAS NO.:7681- 49-4
EINECS NO.:231-667-8
Appearance:White crystal powder
Molecular formula:NaF
Molecular weight :41.98
Density:2.558g/cm3
MP:993°C,
BP:1695°C,
UN:1690
IMDG Code:83015


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c0f85347 Applicable

It is slightly soluble in water, insoluble in ethanol. Its aqueous solution is weak basic. It is soluble in hydrofluoric acid and produces sodium hydrogen fluoride. It has toxic. 
Uses:It is used as insecticide in agriculture, timber preservative, slagging medium of metallurgy, analyzing reagent. It is also used in welding flux of machine planer tool, sterilization of fermentation equipment, and used to manufacture fluorine compounds. 

c0f85347 Packing

Packing with plastic weaven bag lined with polythene plastic bag , 25kg per bag.

Item

Index Name

Item

Index Name

Appearance

White crystal powder

Water-insoluble matter,

max0.3%

Purity

min99%

Silicon oxide(SiO2)

max0.4%

Free Alkalis(as Na2CO3)

max0.1%

Water(H2O)

max0.5%

Free acid(HF)

max0.1%

Sulphate(SO4)

max0.3%

Heavy metals (as Pb)

max0.005%

 

 


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