High purity boron powder poisonous?

Boron chemical properties and lively. Powder can form explosive mixtures with air. With magnesium reduction boron amorphous boron anhydride system. Used for solid ramjet and smokeless propellant. Boron powder should be: mineral raw materials extracted from borax! Borax has bactericidal effect, oral is harmful to people. 【 Borax. Also called coarse borax, is a colorless crystalline material is soft and light. Borax has many USES, such as we are familiar with such as disinfectant, fresh preservatives, water softener, wash eyes water, soap, additives, ceramic glaze and glass raw material, etc. , borax also plays an important role in industrial production.