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  • 25 Kg Bag

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CAS No: 6834-92-0
CBNumber: CB2199386
Molecular Formula: Na2O3Si
Molecular Weight: 122.06
MOL File: 6834-92-0.mol
mp: 1089 ° C
Density: 2.4 g / cm3
Form: powder
Merck: 14,8642
NIST Chemistry Reference: Sodium silicate (6834-92-0)
EPA Substance Registration System: Silicic acid (H2SiO3), disodium salt (6834-92-0)
Hazard Codes: C
Risk Phrases: 36/37 / 38-37-34
Safety Phrases: 26-45-36 / 37 / 39-13-24 / 25
RIDADR: BM 3253 8 / PG 3
RTECS: VV9275000
Dangerous Goods Data: 6834-92-0

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General Information

It is a white crystalline powder emulsion with a chemical formula Na2O3Si. It is soluble in water and insoluble in alcohol and acid. The aqueous solutions are alkaline and dissolve by forming a syrupy liquid in water.

Production and Reactions

The mass ratio of silica powder between the caustic 80% and the mass ratio of silica powder to 80% between silica and caustic soda can be obtained by completion of the system through the cooling crystallization of the reaction, after the mass fraction of 90% or more.

Usage areas

It is used as bleach and dye stabilizer in textile sector.

It is used in recovery of purified oil.

It is used for pulping and whitening of pulp and paper.

Surface coating
It is used in spray coating production which is used in many sectors.


It is used as corrosion inhibitor and pigment preservative in detergent industry.

It is used to reduce the viscosity of ceramic mud and to increase efficiency.

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