Potassium Fluoride
Molecular formula: KF Molecular weight : 58.10
Uses: For a variety of metal, alloy welding flux, used as a fluorinating agent in the production of a range of organic compounds for the production of sodium fluoroacetate Fluoroacetamide pesticides in agriculture, medicine used to the system norfloxacin, itcan be used as a absorbent (absorption of HF and water), it is also the preparation of hydrogen fluoride, potassium raw materials, can also be used for glass engraving and food anti-corrosion, as well as used in the electronics industry.
Property:Colorless cubic crystal, easy deliquescence, soluble in water, soluble in hydrofluoric acid and liquid ammonia, slightly soluble in alcohol and acetone, the water on solvent alkaline reaction, can corrode glass and ceramics, heated to sublimation temperature whenlittle decomposition of molten Potassium fluoride activity can corrode the refractory material. Toxic and should be sealed storage. Specific gravity 2.48, Melting point 858℃.
CAS#: 7789-23-3 Customs No.: 2826199010 MSDS: YF0405-02 Risk No.: 61513
Product specification |
Electronic-grade |
Export grade |
Industrial grade |
Standard |
ICP-AES |
Yotech Standard |
HG/T2829-2008 |
Assay ％ |
≥99.5 |
≥99.0 |
≥98.5 |
Chloride (Cl) ％ |
≤0.005 |
≤0.005 |
≤0.3 |
Sulfate (SO42-) ％ |
≤0.002 |
≤0.02 |
≤0.2 |
Fe ％ |
≤0.0005 |
≤0.001 |
≤0.002 |
Heavy metal
％ |
≤0.0005 |
≤0.002 |
≤0.003 |
Free acid (HF) ％ |
≤0.005 |
≤0.05 |
≤0.05 |
Free base (K2CO3) ％ |
≤0.005 |
≤0.05 |
≤0.05 |
Fluorosilicates (K2SiF6) ％ |
≤0.005 |
≤0.02 |
≤0.05 |
Special inspection of Electronic-grade |
Al≤5ppm As≤2ppm B≤2ppm C≤80ppm Ca≤1ppm Si≤1ppm
Cr≤1ppm Cu≤1ppm P≤3ppm Mg≤1ppm Na≤600ppm Ni≤1ppm |
Intermediate inspection |
Appearance Identification |
colorless cubic crystal |
white powder |
colorless cubic crystal |
Loss on dry (105℃/2H) ％ |
≤0.1 |
≤0.2 |
≤0.5 |
Whiteness (70-90umGranularity) ％ |
≥95 |
≥95 |
≥80 |
Transmission (15％ Aq. solution) ％ |
≥99 |
≥98 |
≥95 |
Foreign substance detection |
≤1mm/10 |
≤1mm/10 |
≤1mm/10 |
Granularity (U.S.SCREEN) mesh |
98％ pass 30-100 mesh |
95％ pass 325 mesh |
95％ pass 30-100 mesh |
Shelf life year |
Two years |
one year |
Two years |
Supply reference |
Production process |
Concentration crystallization method |
Spray activation method |
synthesis drying method |
Packing |
25kg Plastic aluminum five layers/16T/(20')FCL |
15kg woven bag/6T/(20')FCL |
25kg paper plastic woven three layers /16T/(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. |
