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- Nitrogen Fertilizer[1]
- Organic Fertilizer[7]
- Potassium Fertilizer[2]
- Alcohol & Hydroxybenzene & Ether[1]
- Organic Acid[10]
- Organic Salt[9]
- Chemical Auxiliary Agent[10]
- Chemical Reagents[1]
- Feed Additives[5]
- Food Additives[10]
- Alkali[6]
- Inorganic Acids[2]
- Carbonate[10]
- Chlorate[1]
- Chloride[6]
- Halide ( Except Chloride )[1]
- Nitrate[5]
- Other Inorganic Salts[4]
- Phosphate[4]
- Silicate[2]
- Sulfide[4]
- Sulphate[8]
- Oxide[7]
- Organic Intermediate[3]
- Paint & Coating[1]
- Pigment[2]
- Starch[1]
- Cast & Forged[1]
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- Contact Person : Ms. Jie Qian
- Company Name : Mudanjiang Fengda Chemicals Import And Export Corporation
- Tel : 86-453-6228414
- Fax : 86-453-6223551
- Address : Heilongjiang,Mudanjiang,167 Aimin Street, Xian District, Mudanjiang City, Heilongjiang Province. China
- Country/Region : China
- Zip : 157000
Related Product Searches:sodium fluorosilicate,High Quality,potassium fluorosilicate k2sif6, magnesium fluorosilicate,99%min
Molecular Formula: Na2SiF6
Molecular Weight: 188.06
CAS No.:16893-85-9
U.N-NO 2674 Class 6.1 H.S-NO 2826.2000
Property: It is colorless hexagonal, odorless and tasteless crystal with relative density 2.679. It is hygroscopic. It is soluble in ether, insoluble in alcohol. The solubility in acid is greater than in water. It decomposes in alkaline solution and produces sodium fluoride and silicon dioxide. It is decomposed to sodium fluoride and silicon tetrafluoride by heating to 300°C. It is noxious!
Specification:
Sodium fluorosilicate (based on dry) | 99.0%min | 98.5%min | 97.0%min |
Iron(Fe) | 0.02%max |
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Free acid(based on HCI) | 0.1%max | 0.15%max | 0.05%max |
Water-insoluble matter | 0.40%max | 0.50%max | 1.00%max |
Loss on Drying at 105°C | 0.3%max | 0.4%max | 0.6%max |
Fineness (through 250μm test bolter) | 90%min | 90%min | 90%min |
Heave metal(based on Pb) | 0.02%max | 0.05%max | 0.055max |
Packing:Net each in 25kg plastic woven bag, lined with PE bag.
Usage:It is used as antiseptic in timber industry, hygroscopic agent of acid-resisting concrete, solidifying agent in natural latex products, additive in plating with zinc, nickel, iron and filler in plastic and fluorinating agent in pharmaceuticals and drinking water. It is used to produce insecticide in pesticide industry and sodium fluoride in man-made cryolite.
sodium fluorosilicate