Molecular weight ???42 CAS No.: 7681-49-4 UN No.:1690 HS Code:2826.1920.10 [Properties]:Sodium fluoride is anhydrous white crystal or powder. Molecular formula is NaF. Specific gravity is 2.6. It is slightly soluble in water, insoluble in ethanol. [Quality standard]qualified with the standard [GB4293-84] excellent grade. Index item Standard content???%??‰ Test result Sodium fluoride???NaF??‰ a‰￥98 98.76 Silicon dioxide ???SiO2??‰ a‰¤0.5 0.45 Sulfate ???SO4??‰ a‰¤0.3 0.05 Acidity ???HF??‰ a‰¤0.1 0.05 Sodium carbonate ???Na2CO3??‰ a‰¤0.5 0.1 Water insoluble matter a‰¤0.5 0.45 Water???H2O??‰ a‰¤0.5 0.1 Grain size(white powder) 120-200mesh Passing 90% through 200 mesh Grain size(white crystal) 80-90mesh Passing 90% through 80 mesh [Application]: Sodium fluoride is an important villiaumite. It is used for water treatment agent, wood antisepsis, chinaware paint, and light metal villiaumite electrolyte flux. It is used as agriculture pesticide and bactericide. It is used as UF3 in nucleus industry. It is also used as other fluoride materials and porcelain enamel medical industry. [Packing]: polyethylene weaving inner lined with plastic bag???flexible freight bag???Valve mouth bag. Net weight is 25kg or 1000kg.As per customera€?s required. [Storage and transportation ]: Inorganic toxic substance, and should be stored in dry and adequately ventilated warehouse, and may not be co-stored or co-transported with sulfuric acid and edible food.