Buy boron oxide powder b2o3, diboron trioxide supplier . b2o3 chemical name is boron oxide, also can called boron trioxide or diboron trioxide. different purity of boron trioxide: u226599.0%,98.5% and 98%. if there is a special request for granularity, please inquiry us. we also got reach report for the boron oxide. very competitive price. rfq today! Check boron nitride powder for sale, buy momentive softouch boron nitride powder, saint gobain boron nitride powder at best price boron nitride is not found in nature that why manufactured synthetically from boron trioxide or boric acid.boron nitride powder molecular weight (g/mol.) is 24.82, melting point (u00b0c) (decomposed) is 2500- 3000. 2840190000 2. property : borax pentahydrate is a white, crystalline powder, colorless crystals or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol. it can be used as a micro- element manure and disinfectant in agriculture, and borax is also widely used in pharmaceutical industry. American elements manufactures 5n 99.999% boron oxide (boron trioxide, b2o3) for advanced optical, semiconductor, and electronics applications. b2o3 can serve as an inert capping layer encapsulated bridgman technique of growth of semiconductor crystals like cdte and gaas, as well as a dopant for silicon wafers and a source of boron for evaporation and thin film deposition.