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CAS 1303-96-4, Sodium Tetraborate Decahydrate, H20B4Na2O17
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CAS No.:
1303-96-4 -
Molecular Formula:
H20B4Na2O17 -
Quality Standard:
95% min; 99.5% min -
Packing:
50kg/bag -
Mininmum Order:
5000kg -
Price Update:
-
Market:
*If you want to download the TDS and MSDS(SDS) , please click here to view or download online.
Product Name: Sodium Tetraborate Decahydrate
CAS: 1303-96-4
Molecular Formula: H20B4Na2O17
Molecular Weight: 381.372
Synonyms: Buy Sodium tetraborate,decahydrate;Borax;Disodium tetraborate
Physical Properties
Colorless transparent crystals or white crystalline powder. Odorless, taste salty. Slightly soluble in cold water, soluble in hot water, glycerin, slightly soluble in ethanol, carbon tetrachloride.
Density 1.73g/mL at 25℃
Melting Point 75℃
Boiling Point 320℃
Water solubility 60g/L at 20℃
Specification
| Items | Normal Grade | Superior Grade |
| Appearance | White crystalline powder | White crystalline powder |
| Assay (Na2B4O7.10H2O) | ≥95.0% | ≥99.5% |
| Sodium carbonate (Na2CO3) | ≤0.20% | ≤0.10% |
| Water insoluble matter | ≤0.04% | ≤0.04% |
| Sodium sulphate (Na2So4) | ≤0.20% | ≤0.20% |
| Sodium chloride (NaCl) | ≤0.05% | ≤0.03% |
| Iron (Fe) | ≤0.005% | ≤0.002% |
Applications
1) Borax as disinfectant, preservative, water softener, eye wash, available for washing powder and soap filler, ceramic glaze and glass raw material, etc..
2) in the metallurgical industry, borax for forging and welding test and metal, and is a good flux; in the weld metal and convenience to people with borax cleaning metal surface.
3) It is made of optical glass, enamel and enamel materials. In the glass, can enhance the UV transmittance, improve the transparency of the glass and heat resistant performance; in enamel products, can make the enamel is not easy to fall off and make its luster; widely used in special optical glass, glass fiber, jewelry, adhesive, printing and dyeing, washing (silk and wool, etc.), the gold refining, cosmetics, pesticides, fertilizers, borax soap, antiseptic, antifreeze and medical with disinfectant.
4) It is the basic raw material for producing borax boron compounds, almost all of the boron compound can be made by borax. They in metallurgy, iron and steel, machinery, military, knives, paper making, electronic tube, chemical industry and textile and other departments have important and extensive use; boron compound boranes can also be high power rocket fuel.
Packaging
50 kg/bag , inner plastic bag outer woven bag or as per customer’s requirements
Storage
It is non-toxic, harmless, non flammable, explosive chemicals can according to the general transportation.
put in a cool, dry place, rain, moisture, avoid eating.
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