Description
What is Sodium Silicate CAS 1344-09-8
Sodium Silicate CAS 1344-09-8 is an inorganic compound whose aqueous solution is a mineral binder. It behaves as a colorless or slightly yellow transparent liquid or white powder. Sodium silicate has a wide range of applications in industry, in addition, sodium silicate is also used in papermaking, washing, fire prevention and other fields, has a very broad market prospect.
Chemical Properties
| Property | Description |
| Chemical Name | Sodium Silicate |
| Chemical Formula | Na2SiO3Na_2SiO_3Na2SiO3 |
| Molecular Weight | 122.06 g/mol |
| CAS Number | 1344-09-8 |
| Appearance | White powder or colorless, transparent glass-like solid; liquid form is viscous and ranges from colorless to pale yellow |
| Solubility | Easily soluble in water, forming an alkaline solution; insoluble in ethanol and most organic solvents |
| pH (1% aqueous solution) | 11–13 |
| Melting Point | 1088°C |
| Density | Solid: 2.4 g/cm³; Liquid: ~1.4–1.6 g/cm³ depending on concentration |
| Stability | Chemically stable; decomposes in acidic conditions to form silica gel and other silica compounds |
| Solution Properties | Alkaline water solution with strong viscosity and excellent film-forming ability |
| Alkalinity | Alkaline salt; reacts with acids to undergo neutralization reactions |
| Thermal Stability | Excellent thermal stability; retains chemical stability at high temperatures |
| Biodegradability | Non-biodegradable but non-toxic, with minimal environmental pollution |
| Toxicity | Low toxicity; however, high concentrations can be corrosive and may irritate the skin and mucous membranes |
Application
- Construction Materials:
- Used in the production of refractory materials, silicate coatings, and mortar additives to enhance strength and durability.
- Detergents and Cleaners:
- Commonly used as an auxiliary in laundry powders, dishwashing liquids, and industrial cleaners to improve cleaning power and soften water.
- Paper Industry:
- Acts as a binder in paper coatings, improving the hardness and smoothness of paper.
- Chemical Industry:
- Used to synthesize silica gel, zirconium silicate, sodium silicate sol, and molecular sieves.
- Water Treatment:
- Serves as a corrosion inhibitor and precipitating agent in industrial boiler and water treatment systems.
- Ceramics and Refractories:
- Used as a binder in ceramics to enhance strength and heat resistance.
- Agricultural Applications:
- Can be used as a soil conditioner to improve soil pH balance.
Packing
25kgs/drum, 9tons/20’container
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