Medicinal Zinc Oxide Powder
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Zinc oxide uses and synthesis methods:Medicinal Zinc Oxide Powder Manufacturers and Suppliers in the China, Pharmaceutical raw material factory 1314-13-2 Zinc Oxide China Factory Henrikang Supply.Zinc oxide is a kind of inorganic substance, chemical formula ZnO, is an oxide of zinc. Insoluble in water, soluble in acids and strong bases. Zinc oxide is a commonly used chemical additive, widely used in plastics, silicate products, synthetic rubber, lubricating oil, paint coatings, ointment, adhesive, food, batteries, flame retardants and other products. Zinc oxide has large band gap and exciton binding energy, high transparency, and excellent luminescence performance at room temperature. It has been used in liquid crystal displays, thin film transistors, light-emitting diodes and other products in the semiconductor field. In addition, microgranular zinc oxide as a nanomaterial also began to play a role in related fields.
Zinc oxide, also known as zinc white, is a pure white powder composed of small amorphous or needle-like particles. As basic chemical raw materials, has a wide range of applications, such as rubber electronics, medicine, coatings and other industries.
Used in medicine for making ointment, zinc paste, rubber paste, etc.; The matrix of analytical reagents, reference reagents, fluorescent agents and photosensitive materials; Feed nutrient fortification agent, nutrient supplement (zinc fortification agent); Humans have long learned to use zinc oxide in paints and topical medicine, but they have found the history of zinc oxide difficult to trace. A drug later identified as zinc oxide, used to treat eye diseases and injuries, is described in the ancient Indian medical text Chakaraji. In the 1st century AD, the Greek physician Dioscorides also mentioned using zinc oxide as a poultice. Avisenna's Huigai Prescription, completed in 1025, described zinc oxide as the drug of choice for treating various skin diseases, including skin cancer. Zinc oxide is no longer used to treat skin cancer, but it is still widely used to treat other common skin conditions.
Production method of zinc oxide:Zinc oxide is obtained by calcination of zinc carbonate. Obtained by calcination and decomposition of zinc hydroxide. Zinc is smelted from crude zinc oxide and then oxidized by high temperature air. Obtained by oxidation of molten zinc. Zinc oxide is a famous white pigment, commonly known as zinc white. It has the advantage that H2S gas is not black, because ZnS is also white. When heating, ZnO gradually changes from white and light yellow to lemon yellow, and the yellow color recedes after cooling. Using this property, zno is mixed into paint or thermometer to make color-changing paint or thermometer. Because ZnO has convergence and certain bactericidal ability, it is often used in medicine to make ointment, ZnO can also be used as a catalyst.
CAS No. :1314-13-2
Molecular formula :OZn
Molecular weight :81.39
EINECS No. :215-222-5
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