Amorphous Boron powder Raw Materials CAS 7440-42-8

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Uses and synthesis of Amorphous Boron powder

Boron comes in several forms, the most common being Amorphous Boron powder, a dark powder that does not react to oxygen, water, acids and bases. It reacts with metals to form borides. Boron is an essential trace element for plants. Sodium borate is used in biochemical and chemical laboratories to prepare buffers. Boric acid is formed mainly by the reaction of borate minerals with sulfuric acid. Boric acid is an important compound used in textiles. The most economically important compound of Amorphous Boron is sodium tetraborate decahydrate or borax, which is used in insulating glass fiber and sodium perborate bleach. Amorphous Boron is used in organic synthesis, to make a specific type of glass, and as a wood preservative. Boron wire is strong and lightweight, so it is used in advanced aerospace structures.

Applications/Functions of Amorphous Boron powder

• Amorphous Boron powder is used for silicon doping, high temperature resistant material, high temperature and high power semiconductor and metal spraying additives
• It can strengthen plastics such as epoxy resin and metals such as cobalt and tungsten. It can be combined with aluminum and titanium to make high performance composite materials. The composite material can work continuously at high temperatures.
• Amorphous Boron is used as a semiconductor dopant and high purity reagent.
• Used for semiconductor material silicon doping, high temperature resistant materials, high temperature high power semiconductor and metal spraying filler

Physicochemical Property of Amorphous Boron powder

Gray-black crystals with luster. The relative density is 2.34 ~ 2.37. Melting point 2300℃, sublimation temperature 2550℃. Insoluble in water, hydrochloric acid, ethanol and ether. Soluble in cold concentrated alkali solution and decomposes hydrogen.

Production methodprocess of Amorphous Boron powder

Amorphous Boron powder is produced by hydrogen reduction reaction in gas phase with boron trichloride heated to below 800℃.

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