Products

Sodium Fluoride

Molecular formula：NaF　Molecular weight：41.99
Usage: As a flux for aluminum smelting and welding, a medical and wood preservative, a sterilizing agent for the brewing industry, an agricultural insecticide, a fluorinating treatment agent for drinking water, used in the paper industry, toothpaste production, chemical reagents, acid pickling of strip steel and stainless steel, and as a raw material for the production of other fluorides, adhesives, paper production, and the removal of HF in elemental fluorine production. In addition, it is also used in the enamel pharmaceutical industry and other fields.
Property: Colorless shiny crystal or white powder, belonging to the tetragonal crystal system, with regular hexagonal or octahedral crystals, soluble in water, slightly soluble in alcohol, alkaline reaction in aqueous solution, capable of corroding glass. Dissolve in hydrofluoric acid to form sodium hydrogen fluoride, toxic! Can corrode the skin and irritate mucous membranes. Invasion of the nervous system. Specific gravity 1.02g/mL (20 ℃), melting point 993 ℃, boiling point 1700 ℃.
CAS#：7681-49-4　Customs number：2826192010　MSDS：YF0405-10　Hazard code：61513

Specifications	Pharmaceutical grade/reagent grade	Toothpaste grade	Export grade
Standard	USP-34	USP-34	GB157-87
Content ％	98.0-102.0	≥98.5	≥98.0
Water insoluble substances ％	≤0.05	≤0.01	≤0.05
Organic matter volatilization ％	Compliant with testing	Compliant with testing	Compliant with testing
SO4 ％	≤0.005	≤0.005	≤0.03
Heavy metal ％	≤0.003	≤0.001	≤0.003
Pb ppm	≤10	≤10	≤10
As ppm	≤2	≤2	≤2
Acidity（H+） mmol/100g	≤100	≤100	≤500
basicity（OH-） mmol/100g	≤50	≤50	≤200
Cl ％	≤0.012	≤0.012	≤0.012
SiF6 ％	≤0.001	≤0.002	≤0.6
Fe ％	≤0.001	≤0.001	≤0.005
PH (5% aqueous solution)	6.5-8.0	6.5-8.0	6.5-8.0

Central control inspection
Appearance	White Powder	White Powder	White Powder
Loss on drying（150℃/4H）％	≤1.0	≤0.2	≤0.2
Whiteness (70-90um particle size) ％	≥98	≥95	≥96
Transmittance(3% aqueous solution) ％	≥98	≥90	≥90
Grain size (U.S.SCREEN) mesh	90% pass through 30-100 mesh	95% pass through 20-150 mesh	95% pass through 20-150 mesh
quality guarantee period year	Two years	Two years	Two years

Supply reference
Production process	Secondary refining	99% hydrofluoric acid with sodium carbonate	Using industrial products as raw materials
Packaging specifications	25kg plastic paper bag with four layers/20T/(20’)FCL	25kg plastic paper bag with three layers/20T/(20’)FCL	25kg composite bag/20T/(20’)FCL
Quotation specifications	full container load	full container load	full container load
Quotation reference Yuan/ton
Quotation validity period	three months	three months	three months

Note: Customers' special requirements can be negotiated for specific specifications of production.

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