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- Chemical Name: Sodium tetraborate
- CAS No.: 1330-43-4
- Molecular Fomula: ： B4Na2O7
- Molecular weight：201.22
- Appearance:White crystals
- Sample：Available
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Description of borates4
- Sodium Tetraborate, is an important boron compound, which has a wide variety of applications. It is a component of many detergents, cosmetics, and enamel glazes. It is also used to make buffer solutions in biochemistry, as a fire retardant, as an anti-fungal compound for fiberglass, as a flux in metallurgy, neutron-capture shields for radioactive sources, a texturing agent in cooking, and as a precursor for other boron compounds.
Basic Info of borates4
Basic Info
Numbering system
Properties
Safety Info
Basic Info
| Chemical Name | disodium tetraborate |
| Synonyms | boricin;jaikin;borascu;sodium tetrabotare;BORAX;Expand |
| CAS No. | 1330-43-4 |
| Molecular Formula | B4Na2O7 |
| Molecular Weight | 201.21900 |
| PSA | 92.27000 |
| LogP | -2.10280 |
Numbering system
| MDL number | MFCD00081185 |
| EINECS number | 215-540-4 |
| RTECS number | ED4588000 |
| PubChem number | 24886339 |
Properties
| Appearance & Physical State | white solid |
| Density | 2.367 |
| Boiling Point | 1575ºC |
| Melting Point | 741ºC |
| Flash Point | 1575°C |
| Refractive Index | 1.501 |
| Stability | Stable. Incompatible with powdered metals. |
| Storage Condition | Store in a cool, dry place. Keep container closed when not in use. |
Safety Info
| RTECS | ED4588000 |
| Safety Statements | S24/25 |
| HS Code | 2840200000 |
| WGK Germany | 1 |
| RIDADR | UN 1760 8 |
| Risk Statements | R62 |
| Hazard Codes | Xn; Xi |
| Caution Statement | P201; P280; P305 + P351 + P338; P308 + P313 |
| Hazard Declaration | H319; H360FD |
| Symbol | GHS07, GHS08 |
| Signal Word | Danger |
What is Sodium tetraborate?
- With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Sodium tetraborate which has developed particularly rapidly in recent years. Do you know about Sodium tetraborate?
- The official answer：White crystalline or glassy. Α-rhombohedral crystals, relative density 2.28, melting point 742.5°C. Β-rhombohedral crystals, relative density 2.75, melting point 664°C. Highly hygroscopic. Dissolved in water, slowly dissolves in methanol, can form a solution with a concentration of 13%-16%
What’s the application of Sodium tetraborate?
Used in the manufacture of high-quality glass, enamel, solder, fluxes for non-ferrous metals and alloys, etc. Used for the extraction of boron and boron compounds Use as an analytical reagent, also used in the borax ball test For medicine, metallurgy, tanning, ceramics, textiles, and food preservatives.
Conclusion
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