Disodium Tetraborate 10-Water (Borax)

Minimum Assay: 99.9-100.9%
Molecular Formula: Na2B4O7.10H2O
Molecular Weight: 381.37 g/mol
Melting Point: 169 °C
Density at 25°C (g/cm3): 1.73
pH (0.01M soln 25°C): 9.15-9.20
Sodium Oxide (Na2O): 16.4-17.0%
Chloride (Cl): 500ppm
Iron Oxide (Fe2O3): 20ppm
Sulphates (SO4):400ppm
Water Insoluble Matter: 300ppm
Mesh Size: 2.36mm

Cas Number: 1303-96-4

Einecs Number: 215-540-4

HS Code / Commodity Code: 28401990

Hazard Phrases: H319,H360FD

Prec Phrases: P201,P202,P280,P308+P313,P337+P313,P501