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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
Borax Decahydrate
Borax Decahydrate, also known as sodium tetraborate decahydrate, is a naturally occurring mineral and an important inorganic compound. It appears as colorless or white crystalline granules or powder with a salty, alkaline taste. This compound is widely used in detergents, cosmetics, glass manufacturing, agriculture, and various industrial applications due to its excellent buffering, emulsifying, and antiseptic properties. The “decahydrate” indicates that each molecule of borax contains ten water molecules bound in its crystal structure, contributing to its crystalline appearance and physical properties.
Carboxymethyl Cellulose Detergent Grade
Carboxymethyl Cellulose Detergent Grade is a water-soluble cellulose derivative produced by the etherification of cellulose with monochloroacetic acid. It is a fine, white to off-white powder with excellent thickening, stabilizing, and water retention properties. The detergent grade of CMC is specifically tailored to meet the requirements of laundry and cleaning formulations, offering superior dispersing and anti-redeposition performance. It is biodegradable, non-toxic, and widely used as a functional additive to enhance cleaning efficiency and fabric care in detergent products. Its excellent compatibility with surfactants and enzymes makes it an essential ingredient in both powder and liquid detergents.
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.
Iodine Crystals
Iodine Crystals are high-purity elemental iodine in solid crystalline form. These dark violet-black crystals have a characteristic pungent odor and sublime easily at room temperature, releasing violet iodine vapors. Iodine is a halogen element widely used for its antiseptic, oxidizing, and chemical reagent properties in pharmaceutical, industrial, and laboratory applications.
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 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 Metasilicate Anhydrous
Sodium Metasilicate Anhydrous is a white crystalline solid known for its alkaline properties and high solubility in water. It is widely used in industrial cleaning, detergent formulations, water treatment, and as a corrosion inhibitor. The anhydrous form is preferred where moisture sensitivity is a concern. It acts as a strong alkaline builder, improving the effectiveness of detergents and degreasers. This product is also used in adhesives, cement, and ceramics due to its binding and strengthening properties.
Sodium Metasilicate Pentahydrate
Sodium Metasilicate Pentahydrate is a white crystalline solid containing five molecules of water of crystallization. It is widely used for its alkaline and detergent properties, making it effective in cleaning, water treatment, and as a corrosion inhibitor. The pentahydrate form is commonly preferred in detergent and industrial applications where controlled moisture content is beneficial. It dissolves readily in water, forming strongly alkaline solutions useful in various industries.
