If you add sodium hydroxide to boric acid it becomes water and borax and if you eat borax in the stomach the acid will convert it to boric acid. they are different but not totally different. actually if you put boric acid in water about 1% if it will convert to the same anion borax or sodium borate will produce in water as well. May 05, 2017u00a0u00b7 borax is a naturally occurring mineral, also known as u201csodium borate, sodium tetra borate, or disodium tetra borateu201d.1 it is not to be confused with boric acid; while borax is a is a salt of boric acid, it is not chemically the same as boric acid.2 many articles and studies appear to lump boric acid and borax together, which can make researching their impact somewhat difficult. borax u2026 Boric acid powder. boric acid powder. free delivery across ksa. free returns. 5m+ products. open in app. free delivery over sar 250. ... fully tracked delivery anywhere in the saudi arabia. easy returns & exchanges. most items are covered by our our risk-free 14 days returns policy . ask about this product. Oct 01, 2019u00a0u00b7 boric acid, or hydrogen borate (h 3 bo 3), is refined from borax by treating it with an acid. it does whatever borax does, but a little better, and it's also slightly more toxic. it does whatever borax does, but a little better, and it's also slightly more toxic.