Borax

Boron compound, a salt of boric acid

Borax (also referred to as sodium borate, tincal and tincar) is a salt (ionic compound) normally encountered as a hydrated borate of sodium, with the chemical formula Na2H20B4O17. Borax mineral is a crystalline borate mineral that occurs in only a few places worldwide in quantities that enable it to be mined economically. Borax can be dehydrated by heating into other forms with less water of hydration.

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