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Sodium Metasilicate Pentahydrate
Original price was: $ 2.11.$ 2.01Current price is: $ 2.01.
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.
Sodium Metasilicate Pentahydrate
Primary Uses
- Detergents & Cleaning Agents
- Functions as a builder and alkalinity source in laundry detergents, dishwashing powders, and industrial cleaners.
- Used in heavy-duty degreasing formulations for industrial and automotive cleaning.
- Water Treatment
- Acts to soften water and adjust pH in municipal and industrial water treatment processes.
- Metal Treatment & Corrosion Control
- Employed as a corrosion inhibitor and metal surface cleaner in plating and finishing operations.
- Ceramics and Cement Industry
- Serves as a binder and fluxing agent in ceramics, cement, and refractory products.
- Pulp & Paper Industry
- Used in pulping and paper bleaching to remove lignin and impurities, improving paper quality.
Secondary Uses
- Textile Industry
- Utilized in textile scouring and bleaching processes.
- Paints and Coatings
- Added to improve adhesion and durability of paints and coatings.
- Adhesives & Sealants
- Used as an additive to improve bonding strength and stability.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Sodium metasilicate pentahydrate
- Common/Trade Name: Sodium Metasilicate Pentahydrate
- CAS Number: 10213-79-3
- HS Code: 2839.39
- Synonyms: Sodium silicate pentahydrate, Water glass pentahydrate
2. Physical & Chemical Properties
- Physical State: Solid (crystalline powder)
- Color & Odor: White, odorless
- Solubility: Highly soluble in water, forming alkaline solutions
- pH (1% solution): ~12-13
- Density: Approx. 1.6 g/cm³
3. Safety & Hazard Attributes
- GHS Classification: Corrosive (causes severe skin burns and eye damage)
- Toxicity: Harmful if swallowed; causes severe irritation and burns
- Exposure Limits: Observe occupational exposure limits for alkaline dust and solutions
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area, protected from moisture and incompatible substances such as acids
- Container Type: Typically supplied in sealed moisture-resistant bags or drums
- Shelf Life: Stable for up to 2 years if stored properly
- Handling Precautions: Use protective gloves, goggles, and dust masks; avoid dust generation
5. Regulatory & Compliance Attributes
- Complies with major international industrial chemical regulations (e.g., REACH, TSCA, OSHA)
- Registered under global chemical inventories such as EINECS and DSL
- Adheres to workplace safety and handling standards for corrosive substances
- Meets environmental and health safety standards for water treatment and detergent applications
- Approved for use in regulated industrial processes including cleaning, water treatment, and ceramics manufacturing
- May be subject to labeling and documentation under GHS and CLP for transportation and handling
6. Environmental & Health Impact
- Biodegradability: Inorganic; not biodegradable but does not bioaccumulate
- Ecotoxicity: Can be harmful to aquatic life if released in large amounts
- Safety: Requires careful handling to prevent environmental contamination and human exposure
Safety Handling Precautions
- PPE Required: Protective gloves, safety goggles, face shield, and dust respirator
- Handling Guidelines: Avoid inhalation of dust; use in well-ventilated areas
- Storage Measures: Keep containers tightly sealed and stored in a dry environment away from acids
First Aid Measures
- Inhalation: Move to fresh air and seek medical attention if irritation develops
- Skin Contact: Rinse immediately with plenty of water; seek medical attention if burns occur
- Eye Contact: Flush eyes with water for at least 15 minutes; get urgent medical care
- Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical help
Firefighting Measures
- Fire Hazards: Non-flammable but may release toxic fumes on decomposition
- Extinguishing Media: Use water spray, foam, dry chemical, or CO₂ for surrounding fires
- Special Precautions: Wear full protective equipment and breathing apparatus
- Hazardous Combustion Products: May emit silica fumes and sodium oxides
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.
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.
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 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 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 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.
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.
