... or crystalline masses, efflorescent, soluble in water, very soluble in boiling water, freely soluble in glycerol. Usage: mainly used for ... to fall off and with luster. it also widely used in pesticide, fertilizer, optics glass, glass fiber, colored metal ... soap, antiseptic, antifreeze, and in pharmaceuticals as disinfectors etc. its also one of basic raw material for making other boric compound ...