Borax Decahydrate

Borax Decahydrate

Borax Decahydrate is a white, odourless, powder product. It is mildly alkaline in nature. It is commonly used as a buffering salt.

Other Names
Borax 10 mol, Di sodium tetraborate decahydrate
Chemical Formula
Na2B4O7.10H2O
CAS No
1303-96-4
Molar Mass
381.35 g/mol
TEST RESULT
Appearance Colourless, White Crystalline Solid
Boron Content (As B2O3) 36.4 %
Na2O 16.25 %
Matter In soluble In Water 1 % - max
Bulk Density (Loose) 0.812 gm/cc
Particle Size (+1 Mm 0.8% Max)
(-0.060 Mm 4% Max)
Solubility In Water (At 30 °C) 65.64 %
pH 0.1 % Solution (At 20 °C) 9.3
pH 1.0 % Solution (At 20 °C) 9.2

Applications:

Borax Decahydrate is widely used as a pH buffering agent in soaps & detergents. It is used as an additive in formulations for cleaning hard surfaces.
It is used in recovery of metals such as brass, copper, lead and zinc from scrap or smelting slag.
It is used in starch adhesive formulation for corrugated boxes.