Borax

Borax

Properties

General
Name Sodium tetraborate decahydrate
Chemical formula Na₂B₄O₇·10H₂O
Appearance White solid
Physical
Formula weight 381.4 amu
Melting point Decomposes at 348 K (75 °C)
Density 1.7 ×10³ kg/m³
Crystal structure ?
Solubility 55 g in 100g water
Thermochemistry
Δ_fH⁰_solid -6289kJ/mol
S⁰_solid 586 J/mol·K
Safety
Ingestion GI irritation, large doses may be fatal.
Inhalation May cause irritation.
Skin May cause irritation.
Eyes May cause irritation.
More info Hazardous Chemical Database (http://ull.chemistry.uakron.edu/erd/chemicals/8/7386.html)
SI units were used where possible. Unless otherwise stated, standard conditions were used.
Disclaimer and references

Borax, (Na₂B₄O₇·10H₂O, sodium borate or sodium tetraborate) is an important boron compound. It is a soft white many-sided crystal that dissolves easily in water.

**Properties**
General
Name	Sodium tetraborate decahydrate
Chemical formula	Na₂B₄O₇·10H₂O
Appearance	White solid
Physical
Formula weight	381.4 amu
Melting point	Decomposes at 348 K (75 °C)
Density	1.7 ×10³ kg/m³
Crystal structure	?
Solubility	55 g in 100g water
Thermochemistry
Δ_fH⁰_solid	-6289kJ/mol
S⁰_solid	586 J/mol·K
Safety
Ingestion	GI irritation, large doses may be fatal.
Inhalation	May cause irritation.
Skin	May cause irritation.
Eyes	May cause irritation.
More info	Hazardous Chemical Database (http://ull.chemistry.uakron.edu/erd/chemicals/8/7386.html)
SI units were used where possible. Unless otherwise stated, standard conditions were used. Disclaimer and references

Borax is widely used in washing powders, water softeners and soap. It is used in making enamel glazes, glass and strengthing pottery and ceramics. It is also easily converted to boric acid or borate, which have many applications. Borax was discovered on January 8, 1856 by John Veatch[?].