Inorganic fluorine products
Sodium fluoride/SODIUM FLUORIDE(FNa)
Domestic product consultation
0086-15366800998
Foreign Trade Hotline
0086-15366800998
Product Details
CAS:7681-49-4
Product Details
nature:
This product is colorless shiny crystal or white powder, belonging to tetragonal crystal system. It has hexagonal or octahedral crystals, which are soluble in water and slightly soluble in alcohol. The aqueous solution is alkaline and can corrode glass. Dissolve in hydrofluoric acid to form sodium hydrogen fluoride, toxic! It can corrode skin and stimulate mucous membrane. Invasion of the nervous system. Specific gravity 1.02g/mL (20 ℃), melting point 993 ℃, boiling point 1700 ℃.
Purpose:
Fluxes for aluminum smelting and welding, medical and wood preservatives, fungicides for brewing industry, agricultural pesticides, fluorinated treatment agents for drinking water,
It is used in the paper industry, the production of toothpaste, chemical reagents, as well as the pickling of strip steel and stainless steel, the raw materials for manufacturing other fluorides, adhesives, and the production of fluorine, the production element of paper, to remove HF.
In addition, it is also used in enamel pharmaceutical industry. Steel analysis. Determination of phosphorus by photoelectric colorimetry. Scandium blood test was determined by drop analysis. Masking agent
Product specification:
Package: 1. 25kg kraft paper bag lined with single-layer PE bag
2. 35 kg cardboard drum lined with PE bag
3. Customer customization
Product parameters
ITEM | SPECIFICATIONS | RESULT |
Appearance | White power | Pass |
Assay % | ≥99.00 | 99.31 |
Insoluble in water % | ≤0.05 | 0.03 |
Sulfate(SO4) % | ≤0.03 | <0.03 |
Cesium hexafluoro silicate (SiF62- ) % | ≤0.6 | 0.12 |
Iron(Fe) % | ≤0.005 | 0.002 |
Acidity mmo/100g | ≤5.0 | 1.35 |
Basicity mmol/100g | ≤2.0 | ND |
Chloride(CI) % | ≤0.005 | <0.005 |
Heavy meatel(Pb) % | ≤0.001 | <0.001 |
Arsenic(As) % | ≤0.0002 | <0.0002 |
Plant Evironment