Oleylamine with CAS number 112 - 90 - 3 is a primary amine derived from oleic acid. It is an organic compound that is commonly used in various industrial applications. Chemically, its molecular formula is C18H37N, and it has a molecular weight of approximately 267.49 g/mol. Oleylamine is usually a yellow - to - amber liquid at room temperature, with a characteristic odor. It has a relatively low melting point and is soluble in organic solvents such as ethanol, ether, and chloroform, but sparingly soluble in water. The purity of our factory - supplied oleylamine is carefully controlled to meet high - quality standards, ensuring reliable performance in different applications.
1. **Surfactant**: Oleylamine can act as a surfactant due to its amphiphilic nature. It is used in the formulation of emulsions, detergents, and wetting agents. In the paint and coating industry, it helps to improve the dispersion of pigments and fillers, enhancing the uniformity and stability of the coatings.
2. **Corrosion Inhibitor**: It effectively inhibits the corrosion of metals. When added to metal - working fluids and lubricants, oleylamine forms a protective film on the metal surface, preventing oxidation and corrosion, especially in harsh environments.
3. **Catalyst and Ligand**: In chemical synthesis, oleylamine can serve as a catalyst or a ligand. It participates in various chemical reactions, such as the synthesis of nanoparticles, where it can control the size, shape, and surface properties of the nanoparticles.
1. **Handling Precautions**: Always wear appropriate personal protective equipment (PPE), including gloves and goggles, when handling oleylamine. Work in a well - ventilated area or use exhaust systems to prevent the inhalation of vapors.
2. **Dosage in Different Applications**:
- **Surfactant Usage**: In emulsion formulations, the dosage of oleylamine typically ranges from 1% - 5% by weight, depending on the specific requirements of the emulsion, such as the type of oil phase, desired droplet size, and stability.
- **Corrosion Inhibitor**: For metal - working fluids, the recommended concentration of oleylamine is around 0.5% - 2%. This concentration can effectively protect the metal from corrosion during machining and storage processes.
- **Catalyst or Ligand**: In chemical synthesis, the amount of oleylamine used is often determined by the stoichiometry of the reaction and the desired properties of the final product. It is usually added in a molar ratio relative to the reactants.
1. **Nanoparticle Synthesis in the Electronics Industry**: A leading electronics company was working on developing high - performance quantum dots for display applications. By using oleylamine as a ligand during the synthesis process, they were able to precisely control the size and shape of the quantum dots. The oleylamine not only stabilized the nanoparticles but also improved their optical properties. As a result, the quantum dots showed enhanced light - emitting efficiency, leading to brighter and more colorful displays.
2. **Corrosion Protection in the Automotive Industry**: An automotive manufacturer was facing corrosion issues with metal components in their engines. They added oleylamine to their engine lubricants. After a series of long - term tests, they found that the addition of oleylamine significantly reduced the corrosion rate of the metal parts. This not only extended the service life of the engines but also decreased the maintenance cost and improved the overall reliability of their vehicles.
3. **Emulsion Formulation in the Cosmetics Industry**: A cosmetics company was developing a new moisturizing lotion. By incorporating oleylamine as a surfactant, they were able to create a stable emulsion with a fine droplet size. The lotion had a smooth texture and good spreadability, making it more appealing to consumers. Additionally, the product showed better stability over time, reducing the risk of phase separation.
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