Фторид натрия (NaF)

Name: Sodium fluoride Synonyms: Antibulit, chemifluor, credo, FDA 0101, fluoridine, fluorocid, karigel, flura, nafpak CAS No: 7681-49-4 Appearance: Colourless or white crystalline powder or crystals Molecular formula: NaF Molecular weight: 42 Molecular Structure:Melting point: 980 º C Boiling point: 1700 º C Density: 1.4 Water solubility: 4.22 g/100g at 18 C Specification: 98%min Packing: 25kg /bagITEM Technical grade Toothpaste USP25 AR grade Purity % ≥98.5 ≥99 ≥99 Insoluble in water % ≤0.7 ≤0.1 ≤0.05 Silicon dioxide(SiO2) ≤0.5 ≤0.2 / Sulphate (SO4) % ≤0.3 ≤0.1 ≤0.003 Heavy metal % ≤0.01 ≤0.001 ≤0.001 Free HF(HF) % / 0.05 ≤0.005 Loss on drying % ≤0.5 ≤0.2 / Typical particle size 100% through 100# mesh 95% through 200# mesh 95% through 200# mesh Applications: Sodium fluoride is used in laundry souring, manufacturing enamels, manufacturing coated papers, wood preservative, foam production, opal glass, ore flotation and water fluoridation.