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Yigyooly Chemicals Co., Ltd.
Yigyooly Chemicals Co., Ltd.
Products
Sodium fluoride
Molecular formula NaF
Molecular weight 41.99
Dangerous level 6.1
Packing 25kg PE lined plastic woven bag/1000kg bulk bag/kraft paper bag
Physicochemical properties white or off-white powder, Specific gravity 2.25, Melting point.: 993°C, Boiling point.: 1695°C. It is soluble in water,hydrofluoric acid; slightly soluble in alcohols. Its aqueous solution is weak al
Uses Used as agricultural pesticide, wood preservative, metal flux, analysis reagent, also used in machinery for the inserted steel welding, fermentation equipment, manufacturing of fluorine compounds.
Quality index
Index name Toothpaste grade crystalline powdery Second grade
Sodium fluoride  NaF % ≥98.5 ≥98 ≥98 ≥95.97
Water-insoluble matter % ≤0.1 ≤0.5 ≤0.5 ≤0.7
Sulfate (as so42) ≤0.2 ≤0.3 ≤0.3 ≤0.3
Silicon dioxide ≤0.4 ≤0.5 ≤0.5 ≤0.5
Sodium carbonate ≤0.1 ≤0.2 ≤0.2 ≤0.5
Acid Sodium (as HF) ≤0.1 ≤0.2 ≤0.2 ≤0.2
Moisture ≤0.2 ≤0.5