Sodium Disilicate
Sodium Disilicate, commonly supplied in granular or powder form, is an alkaline, water-soluble compound used widely in industrial applications. It functions primarily as a binder, adhesive, and corrosion inhibitor. Its high alkalinity and silicate content make it effective in detergents, water treatment, and cement manufacturing. Sodium Disilicate is valued for its ability to improve strength and durability of materials, as well as its effectiveness in cleaning and stabilizing processes.
Sodium Disilicate
Primary Uses
- Detergents and Cleaning Products
- Acts as a builder and alkalinity source in laundry detergents and industrial cleaners.
- Enhances cleaning efficiency by softening water and breaking down grease and oils.
- Water Treatment
- Used for corrosion inhibition in water systems, protecting metal surfaces such as boilers and cooling towers.
- Helps control pH and prevent scale formation.
- Cement and Construction
- Employed as an additive to improve cement and concrete strength and adhesion.
- Used as a binder in refractory materials and ceramics.
- Adhesives and Binders
- Functions as a binding agent in various industrial processes including paper and textile manufacturing.
Secondary Uses
- Coatings and Paints
- Used as a corrosion inhibitor and adhesion promoter in certain coating formulations.
- Catalyst Carrier
- Sometimes utilized as a carrier or support material in catalyst systems.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Disodium metasilicate (commonly referred to as sodium disilicate)
- Common/Trade Name: Sodium Disilicate
- CAS Number: 1344-09-8
- HS Code: 2839.31
- Synonyms: Water glass, Sodium silicate
2. Physical & Chemical Properties
- Physical State: Granular or powder
- Color & Odor: White to off-white; odorless
- Solubility: Soluble in water
- pH: Strongly alkaline (~11-13 in solution)
- Density: Approx. 2.4 g/cm³
3. Safety & Hazard Attributes
- GHS Classification: Corrosive to skin and eyes
- Toxicity: Moderate irritant; avoid prolonged exposure
- Exposure Limits: Use appropriate industrial hygiene measures
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area, protected from moisture
- Container Type: Supplied in sealed plastic or woven polypropylene bags (25kg)
- Shelf Life: Stable under recommended storage conditions
- Handling Precautions: Use protective gloves and goggles; avoid dust inhalation
- Storage Measures: Keep containers tightly closed and stored in a dry environment
5. Regulatory & Compliance Attributes
- Complies with industrial chemical regulations for alkaline silicates
- Meets standards for use in detergents, water treatment, and construction applications
6. Environmental & Health Impact
- Biodegradability: Inorganic compound; does not biodegrade but is not bioaccumulative
- Ecotoxicity: Can be harmful to aquatic life due to alkalinity; avoid environmental discharge
- Bioaccumulation: Not expected
Safety Handling Precautions
- PPE Required: Acid/alkali resistant gloves, goggles, protective clothing, and dust mask recommended
- Handling Guidelines: Avoid inhalation, ingestion, and skin or eye contact; ensure adequate ventilation
- Storage Measures: Keep containers sealed and separate from acids and incompatible materials
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation develops
- Skin Contact: Wash with plenty of water and soap; seek medical advice if irritation persists
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; seek urgent medical attention
- Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical assistance
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ as appropriate for surrounding fire
- Special Precautions: Wear protective equipment and self-contained breathing apparatus if required
- Hazardous Combustion Products: None known
Related products
Borax Pentahydrate
Borax Pentahydrate (sodium tetraborate pentahydrate) is an inorganic compound and a hydrated form of borax. It typically appears as colorless to white crystalline granules or powder. This compound contains five molecules of water of crystallization per formula unit, distinguishing it from other borax hydrates such as the decahydrate form. Borax Pentahydrate is widely used across industries including detergents, glass production, agriculture, and cosmetics, valued for its buffering capacity, emulsification, and antiseptic properties. It is soluble in water and exhibits alkaline properties in aqueous solution.
Liquid Chlorine
Liquid Chlorine is a pale yellow-green, highly reactive chemical primarily composed of chlorine dissolved in water or as liquefied chlorine gas under pressure. It is widely used as a powerful disinfectant, bleaching agent, and oxidizer in water treatment, sanitation, and various industrial applications. Due to its strong antimicrobial properties, liquid chlorine effectively controls bacteria, viruses, algae, and other microorganisms, ensuring safe potable water and hygienic conditions.
Phosphoric acid Technical Grade
Phosphoric Acid Technical Grade is a concentrated, inorganic acid primarily used in industrial applications. It typically contains minor impurities compared to food or pharmaceutical grades but maintains excellent performance as an acidulant, rust remover, and intermediate chemical. This grade is widely used in manufacturing fertilizers, detergents, metal treatment, and other industrial processes where high purity is not critical but effective acidic properties are required.
Potassium Hydroxide
Potassium Hydroxide is a highly concentrated, caustic alkaline chemical available as a solid (pellets, flakes) or concentrated aqueous solution. It is a strong base widely used in industrial processes, chemical manufacturing, and as a reagent. Potassium Hydroxide provides excellent neutralizing, saponifying, and cleaning properties and is essential in producing potassium soaps, biodiesel, fertilizers, and various chemical compounds. Its high purity and concentration (90%) make it suitable for demanding applications requiring strong alkalinity.
Sodium Alumina Silicate
Sodium Alumina Silicate is an inorganic compound consisting of sodium, aluminum, and silicon oxides. It is typically found as a white, amorphous powder with excellent adsorption and ion-exchange properties. Commonly used as a detergent builder, water softener, and desiccant, sodium alumina silicate improves cleaning efficiency, controls water hardness, and aids moisture absorption. Its thermal stability and chemical inertness make it valuable across detergent manufacturing, water treatment, and various industrial processes.
Sodium Sulphide
Sodium Sulphide (Na₂S) is a yellow to red-yellow crystalline solid or powder with a characteristic odor of hydrogen sulfide. It is highly soluble in water, forming strongly alkaline solutions. This 25kg packaged product is widely used in the chemical, leather, pulp and paper, and textile industries as a reducing agent, sulfur donor, and in flotation processes. Due to its strong reducing properties and reactivity, it must be handled with care under proper safety measures.
Sodium Sulphite (Blue)
Sodium Sulphite Blue is a white to bluish-white crystalline powder with the chemical formula Na₂SO₃. The “Blue” grade indicates a specific industrial quality often containing minor additives or impurities, used primarily in water treatment and chemical industries. It acts as an effective oxygen scavenger, reducing agent, and preservative. This 25kg packaged product is highly soluble in water, forming alkaline solutions, and is widely used in pulp and paper, water treatment, textile, and photographic industries.
Trilium (EDTA)
Trilium EDTA is a high-purity, versatile chelating agent known chemically as ethylenediaminetetraacetic acid (EDTA) or its trisodium salt form. It is widely used across industries to bind and sequester metal ions, improving product stability and performance. Trilium EDTA effectively prevents metal ion contamination, controls hardness in water, enhances cleaning efficiency, and stabilizes formulations in pharmaceuticals, cosmetics, agriculture, and industrial applications. Its strong chelating properties make it an essential ingredient for complexation and metal ion control.

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