Декагидрат тетрабората


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Product Description




Specification


Description:
Borax, with the CAS NO.1303-96-4, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron
compound, a mineral, and a salt of boric acid. Powdered borax is white, consisting of soft colorless crystals that dissolve easily in water.

Preparetion of Borax: Borax is a product of evaporation from shallow lakes. It can also be produced synthetically from other boron compounds.

Uses of Borax : It is used in antiseptics and medicines, as a flux in smelting, soldering, and welding operations; as a deoxidizer in nonferrous metals; as a neutron absorber for atomic energy shields; in rocket fuels; and as extremely hard, abrasive boron carbide (harder than corundum).



CAS RN.:
1303-96-4
EINECS:
215-540-4
Molecular Weight:
381.3721
Molecular Formula:
H20B4Na2O17
Melting Point(℃):
75℃
Water Solubility:
60 g/L (20℃)
Assay (Na2B4O7•10H2O)
≥99.03%
Sodium carbonate (Na2CO3)
≤0.1%
Water insoluble
≤0.02%
Sulphate (SO4)
≤0.1%
Chloride (Cl)
≤0.03%
Sodium oxide (Na2O)
≥16%
Boron trioxide (B2O3)
≥ 35%
Iron (Fe)
≤0.002
Average particle size
60-80mesh
Appearance
White granular
Conclusion
The results conforms with GB537-97 standards


Kanal Quality Certification:




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