Factory Supply Naphthol AS - KB, with the CAS number 135 - 63 - 7, is a high - quality chemical product provided by our factory at a competitive price. The chemical formula of Naphthol AS - KB is C₁₈H₁₅NO₂. It appears as a light yellow or off - white powder.
The melting point of Naphthol AS - KB is within the range of 200 - 204°C. It has good solubility in organic solvents such as ethanol, acetone, and benzene, but is insoluble in water. The purity of our Naphthol AS - KB usually reaches over 98%, ensuring its high - quality performance in various applications.
Naphthol AS - KB is widely used in the field of dyes and pigments. It serves as an important intermediate in the synthesis of azo dyes. These azo dyes are known for their bright colors, good light fastness, and excellent dyeing performance. They can be used to dye a variety of fibers, including cotton, viscose, and synthetic fibers, providing rich and durable color effects.
In addition to the textile industry, Naphthol AS - KB is also used in the production of printing inks. The inks made from it can produce high - quality prints with clear images and brilliant colors, which are suitable for various printing methods such as gravure printing, flexographic printing, and screen printing.
When using Naphthol AS - KB for dye synthesis, it is first necessary to dissolve it in an appropriate organic solvent. The concentration of the solution should be carefully adjusted according to the specific synthesis process. Then, it reacts with diazonium salts under certain reaction conditions, such as specific temperature and pH values. The reaction usually occurs in an alkaline environment, and the temperature is generally controlled between 40 - 60°C.
For printing ink production, Naphthol AS - KB is added to the ink formula. It is mixed with other components such as resins, solvents, and additives. The mixing process needs to be carried out under high - speed stirring to ensure uniform dispersion of Naphthol AS - KB in the ink system.
A textile dyeing factory used Naphthol AS - KB to produce a new type of azo dye for cotton fabrics. They dissolved Naphthol AS - KB in ethanol with a concentration of 10%. After reacting with the corresponding diazonium salt at a temperature of 50°C and a pH of 9 - 10, they obtained a bright red azo dye. The dyed cotton fabrics showed excellent color fastness to washing and light, which significantly improved the product quality of the factory. Their market share in the high - end cotton fabric dyeing market increased by 20% within six months after using this new dye.
A printing ink company incorporated Naphthol AS - KB into their ink formula. By adjusting the amount of Naphthol AS - KB and other components, they developed a new type of gravure printing ink. The new ink produced prints with sharp images and vivid colors. A major packaging printing company adopted this ink for their product packaging printing. The improved printing quality enhanced the overall appearance of the products, and the sales of the packaged products increased by 15% in the following quarter.
If you have any questions or need further information about Factory Supply Naphthol AS - KB CAS 135 - 63 - 7, please feel free to contact us.
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Este es William, CEO de Zhishang Chemical Co., Ltd.
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