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YOTECH AMINO ACID FACTORY (R&D) OF SUZHOU
YOTECH FINE CHEMICAL OF SUZHOU

Product  

 


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.

         
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