Borax - Wikipedia
Borax is a salt (ionic compound), a hydrated borate of sodium, with chemical formula Na 2 H 20 B 4 O 17 often written Na 2 B 4 O 7 ·10H 2 O. It is a colorless crystalline solid, that dissolves in water to make a basic solution.It is commonly available in powder or granular form, and has many industrial and uses, including as a pesticide, as a metal soldering flux, as a …