A brief introduced to Barium hydroxide

　　Barium hydroxide is the chemical compound with the formula Ba(OH)2. Also known as baryta, it is one of the principal compounds of barium. The white granular monohydrate is the usual commercial form.Introduction of Barium hydroxide monohydrate With the CAS registry number 17194-00-2, the IUPAC name of Barium hydroxide monohydrate is barium(2+) dihydroxide hydrate.The product's categories are industrial / fine chemicals; barium salts chemical synthesis; inorganic bases; metal and ceramic science; salts; synthetic reagents.It is white powder which is slightly soluble in water and corrosive to metals and tissue.this chemical can react with aluminum and zinc to form oxides or hydroxides of the metal and generate gaseous hydrogen.

Barium hydroxide,17194-00-2

　　1.Chemical properties
　　caustic baryta, Ba(OH)2, a base (alkali). Under ordinary conditions it exists in the form Ba(OH)2-8H20—colorless crystals with a density of 2.18 g/cm3. At 78° C it melts in its own water of crystallization. It is readily soluble in water (3.5g BaO in 100 g H20 at 20° C). The aqueous solution has a strongly alkaline reaction. The saturated aqueous solution of barium hydroxide at ordinary temperatures is called baryta water; upon contact of this solution with air, it absorbs CO2 and becomes turbid owing to the precipitation of barium carbonate. Barium hydroxide is a sensitive reagent for carbonate and sulfate ions. It initiates polymerization reactions and is also used in the production of sugar.
　　2.application
　　Barium Hydroxide (Ba(OH)2) is a white, toxic alkali make by the re save of barium monoxide with water, or by the action of sodium hydroxide on soluble barium salts.Barium Hydroxide is used in ceramics, insect and rat poisons, additives for oils and fuels, as a non-aqueous deacidification of paper, stabilizers for plastics, sealing compounds, vulcanisation accelerators, pigment dispers
　　Barium hydroxide is used in analytical chemistry for the titration of weak acids, particularly organic acids. Its clear aqueous solution is guaranteed to be free of carbonate, unlike those of sodium hydroxide and potassium hydroxide, as barium carbonate is insoluble in water. This allows the use of indicators such as phenolphthalein or thymolphthalein (with alkaline colour changes) without the risk of titration errors due to the presence of carbonate ions, which are much less basic.
　　*It is also used to clean up acid spills.
　　*It is also used to neutralize sulfuric acid solutions. Use of Ba(OH)2 is particularly beneficial in complete removal sulphate ions because the Ba(SO)4 formed is insoluble in water and precipitates out.
　　3.Safety
　　Barium hydroxide presents the same hazards as other strong bases and as other water-soluble barium compounds: it is corrosive and toxic.It is harmful by inhalation and if swallowed.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.After contact with skin, wash immediately with plenty of soap-suds.