Overview
Isopropyl Silicate, also known as Tetra(isopropyl) orthosilicate, is a chemical compound widely used in industrial applications. It is a colorless to pale yellow liquid with a molecular formula of C12H28O4Si. The compound is known for its ability to hydrolyze in the presence of moisture, forming silica-based materials. Isopropyl Silicate is commonly employed in the production of coatings, adhesives, and sealants due to its reactivity and ability to enhance material properties. Its versatility makes it a valuable component in various manufacturing processes.
Physical and Chemical Properties
Isopropyl Silicate has a molecular weight of 264.44 g/mol and a density of approximately 0.92 g/cm³. It is soluble in organic solvents such as ethanol and acetone but reacts with water to form silica. The compound typically boils at around 180-190°C, though exact values may vary based on purity and conditions. One of the key properties of Isopropyl Silicate is its hydrolytic reactivity, which makes it useful in applications requiring the formation of silica-based materials. This reactivity also necessitates careful handling and storage to prevent premature hydrolysis.
Main Applications
Isopropyl Silicate is primarily used in the formulation of coatings, adhesives, and sealants. Its ability to form silica upon hydrolysis makes it an excellent binder and cross-linking agent in these products. Additionally, it serves as a precursor in the synthesis of silica-based nanomaterials. In the automotive and construction industries, Isopropyl Silicate is valued for its role in producing durable and weather-resistant coatings. Its application extends to electronics, where it is used in the fabrication of insulating materials and protective layers.
Safety and Storage
Isopropyl Silicate should be handled with care to avoid skin and eye contact. It is advisable to use personal protective equipment (PPE) such as gloves and goggles when working with this compound. Adequate ventilation is essential to prevent inhalation of vapors. Storage conditions are critical to maintaining the stability of Isopropyl Silicate. It should be kept in a cool, dry place, away from moisture and direct sunlight. Containers must be tightly sealed to prevent exposure to air, which could lead to hydrolysis and degradation of the product.
B2B Procurement Guide
When procuring Isopropyl Silicate, B2B buyers should prioritize suppliers who provide comprehensive technical data and safety documentation. The purity of the compound is a key factor, as impurities can affect performance in specific applications. Price ranges typically fall between $50 and $100 per kilogram, depending on purity and supplier. Buyers are advised to request samples for testing and verify the supplier's reliability through industry references or certifications. Bulk purchasing may offer cost savings, but storage capacity and shelf life should be considered.
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