Zinc Oxide CAS 1314-13-2 ZnO ZNO Zine Oxide Chemical Intermediates for Industrial Use
Model Number :HMHT0011
CAS: 1314-13-2
EINECS: 215-222-5
Chemical formula: ZnO
Molecular weight: 81.39
InChI: InChI=1/O.Zn/q-2;+2
Melting point: 1975℃
Boiling point: 2360℃
Water solubility: 1.6 mg/L (29℃)
Solubility: Soluble in dilute acetic acid, mineral acid, ammonia water, alkaline solution, almost insoluble in water
Storage conditions: Room Temprature
Appearance: White to light yellow crystalline powder
Properties White hexagonal crystals or powder. Odorless, fine texture.
Melting point 1975℃
Relative density 5.606
Refractive index 2.008~2.029
Solubility Soluble in acid, sodium hydroxide, ammonium chloride, insoluble in water, ethanol and ammonia.
Production method Obtained by calcining zinc carbonate.
Obtained by calcining and decomposing zinc hydroxide.
Smelted from crude zinc oxide into zinc, and then oxidized by high temperature air.
Obtained by oxidizing molten zinc.
Product Parameters
| Appearance | White or yellowish powder | |
| Zinc Oxide (on dry basis) | % | 99.0min |
| Iron as Fe | ppm | 200 max. |
| Matter soluble in water | % | 0.50 max |
| Copper as Cu | ppm | 20 max |
| Manganese as Mn | ppm | 10 max |
| Cadmium as Cd | ppm | 10 max |
| Arsenic as As | ppm | 5 max |
| Heat loss at 110℃. Moisture | % | 0.15 max |
| Lead as Pb | ppm | 200 max |
| Total Sulphur as S | % | 0.15 max |
| Specific gravity | 5.4 - 5.7 | |
| Packing density | gm/ml | 0.7 - 1.25 |
| Matter insoluble in HCL | % | 0.15 max |
| Acetic acid insoluble | % | 0.23 max |
| Retention on Sieve 350 ASTM | % | 0.3 max |
| Packing density | gm/ml | 0.7 - 1.25 |
Packaging Types
25kg PP+PE bags, 26mt in 1X20’FCL with pallets
Method
The zinc ingot obtained by electrolysis is heated to 600-700℃ to melt, and then placed in a high-temperature resistant crucible to melt and vaporize at a high temperature of 1250-1300℃. Hot air is introduced for oxidation. The generated zinc oxide is cooled and cyclone separated, and the fine particles are captured with a cloth bag to obtain the finished zinc oxide product.
Applications
Rubber Industry
Zinc oxide is a commonly used vulcanizing agent in rubber products. It can improve the wear resistance and heat resistance of rubber and is widely used in the production of rubber products such as tires, hoses and rubber shoes.
Cosmetics and Skin Care Products
In sunscreen, baby powder and skin cream, zinc oxide is a natural UV barrier with good sun protection effect, mild to the skin and does not cause irritation.
Pharmaceutical Industry
Zinc oxide is commonly used in ointments and anti-inflammatory agents. It has astringent, antibacterial and accelerated wound healing effects. It is often used in the treatment of skin diseases such as eczema, acne and diaper rash.
Ceramics and Glass Industry
Zinc oxide can be used as a glaze or colorant. It is widely used in the manufacturing process of ceramics and glass to improve the gloss and firmness of the glaze.
Paints and Coatings
Zinc oxide is used as a pigment and additive in paints and coatings. It has the effects of anti-corrosion, anti-mildew, anti-ultraviolet and improving the durability of the coating. It is widely used in construction and automotive coatings.
Electronic Industry
Zinc oxide is a semiconductor material widely used in the manufacture of optoelectronic devices, solar cells, LED lights and transparent conductive films.
Food and Nutritional Products
In food processing, zinc oxide is used as a source of zinc to supplement zinc in food and improve nutritional value. It is commonly found in cereals, baby food and nutritional supplements.
Plastics and Adhesives
Zinc oxide can enhance the UV resistance of plastic products and extend their service life. It is also used to enhance the viscosity and stability of adhesives.
Agriculture
Zinc oxide is used as a trace element additive in fertilizers to improve plant growth, supplement the zinc required by crops, and increase crop yield and quality.
Textile Industry
Zinc oxide can be used for flame retardant treatment of textiles and can give textiles antibacterial and deodorizing properties.
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