Qingdao s.h.huanyu imp.&exp.co.,ltd

Sodium Metasilicate Pentahydrate

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium meta silicate Pentahydrate;disodium oxosilanediolate;sodium oxosilanediolate hydrate (2:1:5);silanediolate, 1-oxo-, sodium salt, hydrate (1:1:5);

• CAS NO :

  10213-79-3

• EC NO :

  239-476-1

• Molecular Formula :

  Na₂SiO₃��5H₂O

• Molecular Weight :

  189.1504

• Main Specifications :

• InChI :

  InChI=1/Na.O3Si.5H2O/c;1-4(2)3;;;;;/h;;5*1H2/q+1;-2;;;;;

• Product description :

  Checking Item	Test Standard (HG/T2568-94)	Test Result
  Sodium oxide(Na2O)%	28.00-30.00	29.04
  Silica(SiO2)%	27.00-29.00	28.83
  Water insoluble%	≤0.2	0.03
  Fe(ppm)	≤200ppm	50
  Whiteness%	≥80	89
  Bulk Density	0.80-0.97g/cc	0.95
  PH of 1.0% Solution	12-13	12.65
  Melting Point	72.2℃	72.2℃
  ParticularSize %(16-30mesh)	≥90		98

  
  

  PackingThe inner bag is sealed PE plastic bag while the outer bag is tidely sutured plastic woven or kraft bag.
  Net weight: 25kgPacked in accordance with the requirements.

  Used in making high efficiency detergent and metal cleaner. Instead of STPP. It can raise cleaning efficiency and reduce environment plllution, provides excellent alkaline buffer, corrosion prevention for metal(i. E Zinc, Aluminum), and function of softening water.

• Molecular Structure :