Sodium Fluoride
Molecular formula: NaF Molecular weight : 41.99
Uses: Aluminum smelting and welding flux, medical and wood preservatives, brewing industry fungicides, agricultural pesticides, drinking water fluoridation agents for the paper industry, the production of toothpaste, chemical reagents, and is also used to strip and stainless steelpickling, manufacture of other fluoride materials, adhesives, paper production, the production of elemental fluorine addition of HF. In addition, the enamel and the pharmaceutical industry.
Property:Colorless shiny crystals or White powder one, the tetragonal symmetry, there are hexahedral or octahedral crystalline, soluble in water, slightly soluble in alcohol and water on solvent alkaline reaction, can corrode glass. Soluble in hydrofluoric acid to form hydrogen fluoride, sodium, toxic Corrosive to the skin, stimulate the mucous membrane. Against the nervous system. Specific gravity 1.02g/mL(20℃), Melting point 993℃, Boiling point 1700℃.
CAS#: 7681-49-4 Customs No.: 2826192010 MSDS: YF0405-10 Risk No.: 61513
Product specification |
Pharmaceutical grade
/Reagent grade |
Toothpaste grade |
Industrial grade |
Standard |
USP-34 |
USP-34 |
GB/T 1264-1997 |
Assay ％ |
98.0-102.0 |
≥99.0 |
≥98.5 |
Water insoluble ％ |
≤0.05 |
≤0.01 |
≤0.1 |
Volatile organic matter ％ |
Passed the test |
Passed the test |
Passed the test |
Sulfate (SO4) ％ |
≤0.01 |
≤0.03 |
≤0.05 |
Heavy metal
％ |
≤0.003 |
≤0.003 |
≤0.005 |
Pb ppm |
≤10 |
≤10 |
≤20 |
Arsenic (As) ppm |
≤2 |
≤2 |
≤5 |
Acidity (H+) ％ |
≤0.05 |
≤0.1 |
≤0.2 |
Alkalinity (OH-) ％ |
≤0.04 |
≤0.08 |
≤0.16 |
Chloride (Cl) ％ |
≤0.012 |
≤0.012 |
≤0.02 |
Fluorosilicates (SiF6) ％ |
≤0.001 |
≤0.002 |
≤0.6 |
Fe ％ |
≤0.001 |
≤0.002 |
≤0.005 |
PH (5% Aq. solution) |
6.5-8.0 |
6.5-8.0 |
6.5-8.0 |
Intermediate inspection |
Appearance Identification |
white powder |
white powder |
white powder |
Loss on dry (150℃/4H) ％ |
≤1.0 |
≤0.2 |
≤0.2 |
Whiteness (70-90umGranularity) ％ |
≥98 |
≥95 |
≥90 |
Transmission (3％ Aq. solution) ％ |
≥98 |
≥90 |
≥85 |
Granularity (U.S.SCREEN) mesh |
90％ pass 30-100 mesh |
95％ pass 20-150 mesh |
90％ pass 20-150 mesh |
Shelf life year |
Two years |
Two years |
Two years |
Supply reference |
Production process |
second Refined |
99% Hydrofluoric Acid, Sodium carbonate |
Industrial products as raw materials |
Packing |
25kg plastic paper bag four-layer /20T/(20')FCL |
25kg plastic paper bag three layers/20T/(20')FCL |
25kg composite bag/20T/(20')FCL |
Specification of price |
FCL |
FCL |
FCL |
Price CNY/T |
|
|
|
Validity period of quoted price |
3 months |
3 months |
3 months |
Note: special requirements are negotiable for customers with specific specifications. |
