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Di-Sodium Tetraborate Decahydrate AR

Borax decahydrate ; Sodium borate decahydrate

Product Size 500gm/1Kg/50Kg Grade Analytical Reagent (AR)
Purity 99.5% CAS No. 1303-96-4
Molecular Formula Na2B4O7.10H2O Molecular Weight 381.37
H.S. Code 28401990 Shelf Life 60 months

Specifications

Minimum Assay 99.5%
pH (0.05 M solution) 9.1-9.3
Water insoluble matter Max 0.003%
Boric oxide Max 0.2%
Sodium oxide Max 0.2%
Carbonate Max 0.05%
Chloride (Cl) Max 0.0005%
Phosphate (PO4) Max 0.001%
Sulphate (SO4) Max 0.0025%
Copper (Cu) Max 0.05%
Iron (Fe) Max 0.0005%
Lead (Pb) Max 0.0005%
Magnesium (Mg) Max 0.002%

Safety Information and Hazard Symbols