Product Name: High Quality Tetramethyl Orthosilicate CAS 681-84-5 With Best Price
CAS Number: 681 - 84 - 5
Appearance: It is a clear, colorless liquid.
Boiling Point: Approximately 121 °C at 760 mmHg.
Melting Point: -45 °C.
Density: About 0.932 g/mL at 25 °C.
Solubility: It is soluble in common organic solvents such as ethanol, ether, and benzene, but reacts with water.
Tetramethyl orthosilicate has a wide range of applications in various industries.
In the field of coatings, it can be used as a cross - linking agent or a modifier. By adding it to coating formulations, it can improve the hardness, abrasion resistance, and chemical resistance of the coatings. It also helps in enhancing the adhesion of the coating to the substrate.
In the electronics industry, it serves as a precursor for the deposition of silicon dioxide thin films. These thin films are crucial in the manufacturing of semiconductor devices, such as integrated circuits, as they provide insulation and protection for the electronic components.
In the production of adhesives, it can increase the strength and durability of the adhesive bonds. It can react with other components in the adhesive to form a more stable and reliable bonding structure.
1. Storage: Store the product in a cool, dry, and well - ventilated area. Keep it away from sources of ignition and incompatible substances. It should be stored in a tightly sealed container to prevent moisture ingress, as it reacts with water.
2. Handling: When handling tetramethyl orthosilicate, wear appropriate personal protective equipment, including gloves, safety glasses, and a lab coat. Avoid inhalation of vapors and contact with skin and eyes. In case of contact, immediately rinse with plenty of water and seek medical attention if necessary.
3. Mixing: If using it in a formulation, follow the recommended mixing ratios and procedures. It is usually added to the other components under controlled conditions, such as at a specific temperature and with proper agitation to ensure uniform dispersion.
Case 1: Coating Application
A manufacturer of automotive coatings was facing issues with the hardness and chemical resistance of their existing coatings. They decided to incorporate tetramethyl orthosilicate into their formulation. They added 5% by weight of the product to the coating mixture and mixed it thoroughly at room temperature. After application and curing, the new coating showed a significant improvement in hardness, as measured by the pencil hardness test. It also had better resistance to solvents and chemicals, which increased the durability of the automotive paint job.
Case 2: Semiconductor Manufacturing
A semiconductor company was using a traditional method for depositing silicon dioxide thin films, which had some limitations in terms of film uniformity and quality. They switched to using tetramethyl orthosilicate as a precursor. By precisely controlling the process parameters such as temperature, pressure, and gas flow rate during chemical vapor deposition, they were able to produce high - quality silicon dioxide thin films with excellent uniformity and electrical properties. This led to an improvement in the performance and yield of their semiconductor devices.
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