In the vast spectrum of industrial chemicals, pigments play a critical role in defining the aesthetic and functional qualities of countless products. Among these, Pigment Green 18, identified by CAS number 569-64-2, stands out as a versatile triphenylmethane dye with a compelling blend of properties. This article, brought to you by NINGBO INNO PHARMCHEM CO.,LTD., aims to provide an in-depth understanding of this important chemical, from its core characteristics to its wide-ranging applications.

Pigment Green 18 is renowned for its bright blue-green color. This vibrant hue is achieved through a specific chemical structure that also endows it with fungicidal and limited antiseptic activity. This dual functionality makes it more than just a colorant; it's a compound that can contribute to the preservation and longevity of materials.

Understanding the solubility of Pigment Green 18 is key to its effective use. It exhibits good solubility in cold and hot water, appearing as a blue-green. Furthermore, it is easily soluble in ethanol, also yielding a blue-green solution. This versatility in solvents allows for its incorporation into various manufacturing processes, from aqueous-based systems to alcoholic solutions.

The pigment's behavior when exposed to strong acids and alkalis is also noteworthy. In concentrated sulfuric acid, it turns yellow, diluting to a dark orange. In nitric acid, it appears orange, diluting to an orange-brown. When sodium hydroxide is added to its solution, a microstrip green white precipitate forms, and hydrochloric acid addition results in a red light yellow coloration. These reactions are crucial for formulators to consider when developing specific product applications.

The production of Pigment Green 18 involves a series of chemical reactions. It typically begins with the condensation of N,N-dimethylaniline and benzaldehyde in the presence of sulfuric acid. This intermediate is then oxidized with lead dioxide and hydrochloric acid. Subsequent steps include deleading with sodium sulfate, neutralization with sodium carbonate, and finally, dissolution, crystallization, and filtration with oxalic acid. Drying yields the final product.

The raw material consumption for this process is well-documented, with key inputs including N,N-xylene amine, hydrochloric acid, urea, sodium hydroxide, benzaldehyde, sodium hypochlorite, lead acetate, and oxalic acid, among others. NINGBO INNO PHARMCHEM CO.,LTD. ensures a stable supply chain for these essential components.

The applications of Pigment Green 18 are diverse and impactful. In the textile industry, it is used for dyeing acrylic, silk, wool, and vinegar fibers. Beyond textiles, its utility extends to the leather industry for coloring and finishing, as well as for shading and coloring in bamboo, wood, and paper manufacturing. Its fungicidal properties also add an extra layer of value in specific applications.

For manufacturers seeking reliable suppliers, NINGBO INNO PHARMCHEM CO.,LTD. offers high-quality Pigment Green 18. We are committed to providing products that meet stringent quality standards, ensuring consistent performance and customer satisfaction. Exploring the buy/purchase options for Pigment Green 18 can lead to significant improvements in your product lines.

In summary, Pigment Green 18 is a chemical compound with a rich profile of properties and applications. Its vibrant color, solubility, and functional attributes, coupled with NINGBO INNO PHARMCHEM CO.,LTD.'s commitment to quality, make it an invaluable asset for industries ranging from textiles to specialized materials.