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. 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 12, 2019u00a0u00b7 buy boric acid powder for making cockroaches paste at best price and offers in ksa at souq. fast and free shipping free returns cash on u2026 Boric acid is a weakly acidic hydrate of boric oxide with mellow disinfectant, antifungal, and antiviral properties. the correct component of activity of boric corrosive is obscure; by and large cytotoxic to all cells. it is utilized as a part of the treatment of yeast diseases and mouth blisters.