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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
Caustic Soda Flakes (Sodium Hydroxide)
Caustic Soda Flakes, also known as Sodium Hydroxide Flakes (NaOH), are a highly alkaline, white, solid substance that is crystalline and flaky in form. Produced by evaporating aqueous sodium hydroxide solutions, these flakes are highly soluble in water and exhibit strong corrosive properties. Caustic Soda Flakes are widely used in a variety of industrial, chemical, and manufacturing processes due to their strong alkalinity, ability to saponify fats, and effectiveness in pH adjustment. Their high purity and ease of handling in flake form make them suitable for use in chemical synthesis, pulp and paper production, water treatment, and detergent manufacturing.
Hydrazine Food Grade
Hydrazine Food Grade is a high-purity form of hydrazine (N₂H₄), a highly reactive, colorless, and fuming liquid with a pungent ammonia-like odor. It is a powerful reducing agent and chemical intermediate widely used in industrial applications. The food-grade specification ensures purity and controlled impurity levels suitable for limited and specialized food industry uses, primarily as a processing aid or sterilizing agent. Hydrazine exhibits strong nucleophilic and reducing properties, enabling various chemical transformations and sterilization processes.
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.
Sodium Hexametaphosphate
Sodium Hexametaphosphate (SHMP) is a high-efficiency sequestrant and dispersing agent widely used across industrial applications. It appears as a white, odorless powder or granule, highly soluble in water, and is valued for its ability to chelate metal ions, soften water, and disperse solids. Its role in preventing scale formation and stabilizing chemical formulations makes it a key ingredient in water treatment, cleaning agents, and textile processing. It is the primary active ingredient in many commercial and industrial water treatment formulations, most notably as the original key component in the Calgon® brand of water softeners and scale inhibitors. While modern "Calgon" products may contain blended formulations, the term has become a common genericized reference for polyphosphate-based scale prevention, rooted in this chemical's function.
Sodium Hexametaphosphate Food Grade
Sodium Hexametaphosphate Food Grade is a white, granular or powdery inorganic compound composed of sodium and metaphosphoric acid polymers. It is highly soluble in water and acts as an effective sequestrant, dispersing agent, and water softener. SHMP is widely used across various industries including food processing, water treatment, detergents, ceramics, and metallurgy. It helps control hardness, prevent scale formation, and stabilize formulations, making it valuable in both industrial and consumer applications.
Sodium Hydrosulphite
Sodium Hydrosulphite, also known as sodium dithionite, is a white to yellowish powder with a strong reducing property. It is highly soluble in water and decomposes readily, releasing sulfur dioxide and sulfites. Widely used as a powerful reducing agent and bleaching agent, it finds applications in textile processing, paper and pulp industries, water treatment, and chemical manufacturing. Its ability to break down colored compounds makes it ideal for decolorization and cleaning processes.
Sodium Thiosulphate Pentahydrate
Sodium Thiosulphate Pentahydrate (Na₂S₂O₃·5H₂O) is a white crystalline solid that is highly soluble in water. It is commonly used as a photographic fixer, reducing agent, and in water treatment processes. This 25kg packaged product contains five molecules of water of crystallization, which makes it more stable and easier to handle in industrial and laboratory applications. It is widely used to dechlorinate water, remove heavy metals, and in analytical chemistry for iodometric titrations.
Trisodium Phosphate
Trisodium Phosphate (TSP) is an inorganic, highly alkaline compound commonly available as a white, granular or crystalline solid. It is widely used for its powerful cleaning, degreasing, buffering, and water-softening properties. TSP is a versatile compound with significant utility across food processing, detergents, industrial cleaning, water treatment, and construction industries. It also acts as a flux, pH adjuster, emulsifier, and sequestrant. Both technical and food grades are available depending on the application.
