1.Product name: Zinc phosphate dihydrate
2.Formula: Zn3(PO4)2
3.Formula weight: 386.17
4.CAS:7779-90-0
5.Einecs:231-944-3
6.Characeter: It is white crysal powder. Odorless .Insoluble in water. Light soluble in ethanol. Soluble in inorganic acid, ammonium and ammonium salt. Melting point is 900ºC. When heated to 1000ºC. It will decomposed to zinc oxide and P2O5. Density is 3.99g/cm3.
7.Usage:
Zinc phosphate is widely used in industry, anti-corrosion, medicine, electronics and other fields. The following are the main uses of zinc phosphate: 1. Anti-corrosion field Anti-rust pigments: Principle: Zinc phosphate is a highly efficient anti-rust pigment. It forms a dense protective film on the surface of the metal, which can effectively prevent moisture and oxygen from coming into contact with the metal, thereby preventing the oxidation and corrosion of the metal. Zinc phosphate reacts chemically with metal surfaces to produce compounds such as Zinc Phosphate Iron, which have good adhesion and corrosion resistance. Zinc-rich coatings: Applications: Zinc-rich coatings are widely used for anti-corrosion of steel structures, such as bridges, towers, storage tanks, etc. The addition of zinc phosphate can improve the performance of zinc-rich coatings, so that they can maintain good anti-corrosion effect in harsh environments. 2. Industrial manufacturing field Electroplating and surface treatment: Principle: Zinc phosphate can be used in the preparation of electroplating solution, as a complexing agent and precipitant. It is able to form stable complexes with metal ions, thereby improving the stability and conductivity of the electroplating solution. Application: In the electroplating process, zinc phosphate can be used for the electroplating of copper, nickel, zinc and other metals to improve the uniformity and adhesion of the plating layer. In addition, zinc phosphate is also used for phosphating treatment on metal surfaces to form a protective film to enhance the wear and corrosion resistance of metal surfaces. Ceramics and glass industry: 3. Pharmaceutical field Principle: Zinc phosphate has good biocompatibility and antibacterial properties. It can combine with minerals in the mouth to form a protective film that prevents tooth decay and periodontal disease. Application: Used to make dental materials, such as dental fillings, toothpaste, etc. Zinc phosphate fillings have good mechanical properties and durability, which can effectively repair tooth defects. Example: Zinc phosphate cement is a commonly used dental filling material with good adhesion and antibacterial properties, and is widely used in dental restorations. Drug Carrier: Principle: Zinc phosphate can be used as a drug carrier to improve the stability and bioavailability of the drug. It is able to form a stable complex with drug molecules, thereby prolonging the release time of the drug and improving the efficacy of the drug. Application: It is used in the preparation of extended-release drug formulations, especially in oral and digestive tract drugs. Zinc phosphate can also be used to prepare nano-drug carriers to improve the targeting and efficacy of drugs. Fourth, the field of electronic electronic materials: Principle: Zinc phosphate has good electrical insulation and chemical stability, which can be used to manufacture electronic materials. Application: Used to manufacture insulating and protective layers for electronic components, such as integrated circuits, printed circuit boards, etc. Zinc phosphate can also be used to make surface coatings for electronic materials, improving the corrosion and wear resistance of materials.
8.Packing:25kgs/bag ,inside line with PE bag.
9.Storage: It should be stored in a dry and ventilative warehouse. Keept away from heat and moisture. Unloading with care.
10.Specification:
| Test item |
Specification |
Results |
| Appearance |
Solid ,white crystalline |
Conform |
| Zn |
≥19.5% |
>19.5% |
| Phosphoric acid &phosphate |
≥47.5 |
49 |
| Pb |
≤10ppm |
<10ppm |
| Arsenic |
≤10ppm |
<10ppm |
| Sulphate( SO4) |
≤0.01% |
<0.01% |
| Free acid(H3PO4) |
≤3.0% |
<3.0% |
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