borax (or sodium tetraborate decahydrate) is a white coloured inorganic powder having the formula na2b4o7â·10h2o or na2[b4o5(oh)4]â·8h2o. It is a compound of the element boron and is also a salt of the compound called boric acid. Our borax decahydrate originates from argentina. We sel technical grade in 25 kg packing with pallets as well as 1 mt jumbo bags. We are offering cif price of 580-600 usd/mt, its ready cargo and the transit time is 45 days.