Borax
Borax is used in various household laundry and cleaning products and some tooth cleaning formulas. It is also used as a component of glass and pottery glazes in the ceramics industry, as a solvent for metal-oxide slags in metallurgy, as a flux in welding and soldering, and as a fertiliser additive, a mouthwash, and a water softener.
- Synonyms
- Sodium Borate, Sodium tetraborate, Disodium tetraborate, E285
- Chemical Formula
- Na2B4O7.xH2O
- CAS Number
- 1330-43-4 (anhydrous), 1303-96-4 (decahydrate), 12179-04-3 (pentahydrate)
Characteristics
- Molar Weight
- 381.38 g/mol (decahydrate)
- Melting Point
- 75°C (decahydrate), 742°C (anhydrous)
- Boiling Point
- 1575°C (anhydrous, decomposes)
- Density
- 1.72 g/cm³ (decahydrate), 1.815 g/cm³ (pentahydrate)
- Forms
- Powder, White, Solid
Uses and Applications
Key applications
- Buffer agent
- Disinfectant
- Welding
- Food additive
- Agricultural
- Pharmaceuticals
- Personal care
Industries
- Pharma
- Cleaning
- Beauty & Personal Care
- Water Treatment
- Food & Nutrition
- Agriculture