... our best quality. Barium Hydroxide Monohydrate Chemical formula: Ba(OH)2 * H2OMolecular weight: 171.35 Appearance: White Crystal, Soluble in water ... and ethylalcohol, Insoluble in ether and acetone, PoisonousTypical Analysis: Purity 99.00% min. Barium Carbonate ... hard water, beet sugar industry, boiler descaling various barium salts; also used in organic synthesis, etc.