
Factory Supply Naphthol AS - OL, identified by the CAS number 135 - 62 - 6, is a high - quality chemical product. It is an important member of the naphthol series. The molecular formula of Naphthol AS - OL is (C_{17}H_{13}NO_2). It appears as a light - colored powder under normal conditions, usually with a fine and uniform particle size. Its melting point is around 200 - 204°C. This product is known for its good stability under normal storage and transportation conditions. It has a certain solubility in some organic solvents, which makes it suitable for a variety of chemical processes.
Naphthol AS - OL has a wide range of applications in different industries. In the dye industry, it serves as a crucial intermediate for the synthesis of azo dyes. These azo dyes are widely used in textile printing and dyeing, providing a rich variety of colors with good color fastness. For example, it can be used to produce red, orange, and brown dyes, which are popular in the textile market.
In the pigment industry, it is used to manufacture organic pigments. These pigments are used in coatings, inks, and plastics. The pigments made from Naphthol AS - OL have excellent light - fastness and heat - resistance properties. They can enhance the color and durability of the final products, making them suitable for outdoor and high - temperature applications.
When using Naphthol AS - OL, it is necessary to follow strict safety procedures. First, wear appropriate personal protective equipment, such as gloves and goggles, to prevent direct contact with the skin and eyes. In a chemical reaction process, it should be added to the reaction system slowly under stirring. The reaction temperature and pH value need to be carefully controlled according to the specific reaction requirements. Usually, the reaction temperature is between 50 - 100°C, and the pH value is maintained at a slightly alkaline level for better reaction efficiency. After the reaction is completed, the product needs to be purified through appropriate methods, such as filtration and washing.
Case 1: Textile Dyeing
A textile company used Naphthol AS - OL to synthesize an azo dye for cotton fabric dyeing. They first prepared a reaction solution by dissolving Naphthol AS - OL in a suitable organic solvent. Then, they added the necessary coupling agents and catalysts. The reaction was carried out at a temperature of 80°C and a pH of 8 for about 2 hours. The resulting dye was then applied to the cotton fabric through a padding process. The dyed fabric showed bright red color with excellent color fastness to washing and light, which significantly improved the quality and market competitiveness of the textile products.
Case 2: Pigment Production
A pigment manufacturer used Naphthol AS - OL to produce an organic pigment for automotive coatings. They mixed Naphthol AS - OL with other raw materials in a high - speed mixer. The mixture was then subjected to a high - temperature reaction in a closed reactor. After purification and grinding, the obtained pigment was added to the automotive coating formulation. The coating showed good color stability and high - gloss finish, meeting the strict requirements of the automotive industry.
If you have any questions or need more information about Factory Supply Naphthol AS - OL CAS 135 - 62 - 6, please feel free to contact us. Our email is info@vivalr.com, and our phone number is (86) 15866781826.

This is William, CEO of Zhishang Chemical Co., Ltd.
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