Description
Molecular Formula:B4Na2O7
Molecular Weight: 201.22
Structural Formula:
Specification:
Items
Specifications
Melting Point
741°C (lit.)
Boiling Point
1575°C
Density
2.367g/mL at 25°C(lit.)
Vapor Pressure
7.3hPa(1200°C)
Refractive index
1.501
Flash Point
1575°C
Solubility
H2O:0.1M at 20°C, clear, colorless
Specific Gravity
2.367
PH
9.0-10.5(25°C,0.1MinH2O)
Water Solubility
26g/L(20ºC)
Merck
14,8590
Items | Specifications |
Melting Point | 741°C (lit.) |
Boiling Point | 1575°C |
Density | 2.367g/mL at 25°C(lit.) |
Vapor Pressure | 7.3hPa(1200°C) |
Refractive index | 1.501 |
Flash Point | 1575°C |
Solubility | H2O:0.1M at 20°C, clear, colorless |
Specific Gravity | 2.367 |
PH | 9.0-10.5(25°C,0.1MinH2O) |
Water Solubility | 26g/L(20ºC) |
Merck | 14,8590 |
Function:
1. Sodium tetraborate is an excellent buffer.
2.Sodium tetraborate has some cleaning ability. It can be used as a component of detergent.
3.In the manufacture of glass and ceramics, sodium tetraborate is an important flux.
4. In metal processing, sodium tetraborate can improve the properties of metal materials.
5. It can provide plants with essential boron.
6. Sodium tetraborate has some disinfecting and antiseptic functions. It can be used to prepare some topical medicines .
7. It can be used in the preparation of personal hygiene products. For example, traditional soap .
Application:
1. Sodium tetraborate is an important raw material in glass production. It can be used in the manufacture of microscope lenses, telescope lenses and other high-precision optical instruments, such as glass components
2. It is used in the production of ceramic products such as ceramic tiles and sanitary ware.
3. It can be used as flux in welding and metal processing; it helps to prevent the oxidation of metal liquid, and can refine the grain and improve the quality of castings.
4. It is often used to prepare buffer solutions. Sodium tetraborate – hydrochloric acid buffer solution can provide a stable pH environment to ensure the accuracy of experimental results.
5. Can be used to prepare other boron compounds. Such as, sodium borohydride and other important chemical reagents.
6.It can be applied directly to the soil as boron fertilizer or used for foliar spraying. Used in fruit tree planting, such as is apple, pear and other fruit trees.
7. Sodium tetraborate has the role of disinfection and antiseptic. It can be used to prepare eye drops to sterilize and clean the eyes.
8. In cosmetics, sodium tetraborate can be used as pH regulator and preservative.





