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Molecular formula : NaBH4
CAS :
nature : Boron also known as sodium hydroxide. The white crystalline powder. 1.074g/cm3 density. 497 ° C melting point. Dissolved in water, ammonia, amines. Micro-soluble methanol, ethanol, tetrahydrofuran. Insoluble ether, benzene, hydrocarbons. There hygroscopicity. The dry air of stability. The wet air decomposition. Heat to 400 ° C also decomposition. By boric acid and methanol reacted boric acid methyl ester. Sulfuric acid from alcohol by distillation after more pure boric acid methyl ester, sodium metal Add in the paraffin oil leads to the hydrogen system in sodium, and then potassium borate ester reaction, cooling to 100 ° C centrifugal separation, cake at 50 ° C following hydrolysis, centrifugal separation and hydrolysis Still stratification and the lower water SOLUTION namely sodium borohydride alkaline solution. For aldehydes, ketones, chloride kind of reductant, industrial foam, plastic, paper bleaching agent, and the pharmaceutical industry to create dihydrotestosterone streptomycin hydrides agent.
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