Sodium tetraborate CAS 1330-43-4 is an inorganic compound with the molecular formula Na2B4O7, and is an important boron containing mineral and boron compound. Sodium tetraborate is a colorless or white crystalline powder that is soluble in water.

Borax has a wide range of uses, including as a cleaning agent, cosmetics, insecticide, as well as for preparing buffer solutions and preparing other boron compounds.

Chinese name: sodium tetraborate

Foreign name: sodium tetraborate

Nickname: anhydrous borax

Chemical formula: Na2B4O7

Molecular weight: 201.22

CAS login number: 1330-43-4

EINECS login number: 215 540 4

Melting point: 741 ℃

Boiling point: 1575 ℃

Water solubility: soluble in water

Density: 2.367 g/cm ³

Appearance: Colorless or white crystalline powder

Application: cleaning agents, cosmetics, insecticides, etc

Physical and chemical properties

1. Character: Colorless or white crystalline powder, odorless.

2. Density: 2.367 g/mL at 25 ° C (lit.)

3. Melting point: 741 ° C (lit.)

4. Boiling point: 1575 ℃

5. Refractive index: 1.501

6. Solubility: Soluble in water and glycerol, insoluble in ethanol. Easily weathered.

Application area

Borax has a wide range of uses, as a filler for laundry detergent and soap, as well as a raw material for manufacturing optical glass, enamel, and enamel. It can also be used to manufacture artificial gemstones, welding flux, and so on. After extraction and refinement, it can be used as a heat clearing and detoxifying medicine, with a cool nature and a sweet and salty taste. It can treat symptoms such as sore throat, toothache, aphthous ulcers, and eye growth disorders.

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