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  Zhengzhou goldenstar chemical co., ltd.
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Sell: Borax
Date: 2008-12-17
Cas#: 12179-04-3
Specification:
Price:
Quantity: Kilogram
Term: 365
Note: Borax
Molecular Formula: Na2B4O7.10H2O
Molecular weight: 381.36
Quality Standards:
ITEM Specification
Premium grade First grade
Sodium Borate 10 Hydrous (Na2B4O7.10H2O)%芒鈥奧?99.5% 95.0%
Sodium carponate (Na2CO3) % 芒鈥奧?0.1% 0.2%
Insoluble matter in water % 芒鈥奧?0.04% 0.04%
Sodium Suitate (Na2SO4) % 芒鈥奧?0.1% 0.2%
Sodium Chloride (NaCl) % 芒鈥奧?0.03% 0.05%
Iron (Fe) % 芒鈥奧?0.002% 0.005%
Properties: White powder crystal, specific weight 1.69-1.73, hardness 2-2.5. It is soluble in water, in soluble in alcohol and the solution indicating wealk baicity. When heated, it loses the crystal water and changes into waterless borax, which feature sterilizing. It will do harm to one's health taking orally.
Uses: An important material for glass, enamel, ceramics, nonferrous mental, metallurgical industry, etc. It can be used as a micro-element manure and disinfectant in agriculture, and it is also widely used in pharmaceutical industry. Borax is also a basic raw material for boride and high energy boron hyduide fuel.
Packing: Packed in woven plastic bags lined with plastic bags of 25KG/50KG net each.
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