sodium fluoride

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Sodium Fluoride F05• Formula NaF Molecular Weight 41.99 Execute standard GB4293-84 U.N-NO 1690 Class 6.1 H.S-NO 2826.1100 Properties It is a white crystal with relative density of 2.558, mp 993℃, bp 1695℃. 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. Usages 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. Packing In 25kg and 50 kg plastic woven bag lined with high pressure polyethylene plastic bag. Item Data Sodium fluoride % ≥ 98 Water-insoluble matter % ≤ 0.7 Sulfate (SO42+) % ≤ 0.3 Silicon oxide % ≤ 0.5 Sodium carbonate % ≤ 0.5 Acidity (as HF) % ≤ 0.1 Water % ≤ 0.5

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kunming chemicals & minerals co.ltd

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