Henan Sinocean Chemical Co. Ltd.

Sodium Tetraborate Pentahydrate

• Category :

  Inorganic chemicals

• Synonyms :

  borax pentahydrate;Solubor;

• CAS NO :

  12179-04-3

• EC NO :

• Molecular Formula :

  Na₂B₄O₇.5(H₂O)

• Molecular Weight :

  291.29174

• Main Specifications :

• InChI :

  InChI=1/BHO3.2Na.5H2O/c2-1(3)4;;;;;;;/h2H;;;5*1H2/q-2;2*+1;;;;;

• Product description :

  Synonym: Sodium Tetraborate Pentahydrate
  Formula: Na₂B₄O₇. 5H₂O
  
  M. W.:  291.3
  CAS No.:12179-04-3
  H.S.No.:2840.1900
  Properties: White powder crystal, specific weight 1.69-1.73, and hardness 2-2.5. It is soluble in water, insoluble in alcohol and the solution indicting weak basify. When heated to 350-400℃, it loses the crystal water and changes into waterless borax. Which features sterilizing. It will do harm to one’s health taking orally.
  Specification:

  Items	Pentahydrate
  B2O3 %≥	48.6
  Boron %≥	15
  Sodium Carbonate %≤	0.20
  Sodium sulphate %≤	0.01
  Matter insoluble in water %≤	0.015
  Sodium chloride ≤	0.0067
  Iron %≤	0.0025

  Uses: An important material for glass, enamel, ceramics, non-ferrous metal, metallurgical industry, It can be used as a micro-element manure and disinfectant in agriculture, and it is also widely used in pharmaceutical industry. Borax is also a basic raw material for boride and high-energy boron hydride fuel.
  Packing: 25kgs P.P. bag.
  

• Molecular Structure :