Acid Green 27, identified by its Chemical Abstracts Service (CAS) number 6408-57-7, stands as a highly sought-after organic pigment in the global chemical market. This vibrant green dye, with its distinct chemical structure and properties, is critical for achieving brilliant and long-lasting color solutions across numerous industries. Its molecular formula, C34H32N2Na2O8S2, and a molecular weight of 706.745, underscore its complex yet stable composition, making it an indispensable component for high-performance applications.

As a fine powder, Acid Green 27 is characterized by its excellent solubility in hot water, typically exhibiting solubility greater than or equal to 30g/L at 90°C. This exceptional solubility ensures uniform dispersion and optimal dyeing efficiency. Rigorous quality control measures confirm its impressive strength, often corresponding to 120% of the standard, and a shade comparison with a Delta E (DE) value of less than or equal to 1.0, guaranteeing consistent color results. Furthermore, its minimal insolubility, typically less than or equal to 0.10%, highlights its high purity and performance.

The primary application of Acid Green 27 is in the textile industry, where it is extensively used for dyeing a variety of natural and synthetic fibers. It is particularly effective for silk dyeing, imparting a rich, deep green hue that is highly resistant to fading. Beyond silk, its versatility extends to dyeing wool and nylon, providing exceptional colorfastness and vibrancy. The dye is also widely employed in direct printing processes for silk, wool, and nylon fabrics, allowing for intricate designs and patterns with sharp, clear outlines. Its robust performance ensures that dyed and printed materials maintain their aesthetic appeal even after repeated washing and exposure to light.

Beyond traditional textile applications, Acid Green 27 has found broader utility due to its stable and reliable coloring properties. In the food industry, it serves as a safe and effective colorant in various products, adhering to strict regulatory standards for consumption. Its distinctive spectral properties also make it valuable in biological research, where it functions as a pH indicator and is utilized in fluorescence microscopy to enhance the visibility of cellular structures. Moreover, this compound is employed in environmental monitoring as a tracer in water studies, helping to assess pollution levels and understand contaminant dispersion in aquatic systems. Its incorporation into cosmetic formulations provides appealing and safe coloring options for personal care products. In research and development, it often serves as a model compound for studies in dye chemistry and photochemistry, contributing to the innovation of new materials with enhanced characteristics.

The manufacturing process for Acid Green 27 involves a precise series of chemical reactions to ensure its high purity and performance. Key raw materials include 1,4-dihydroxyanthraquinone and 4-n-butylaniline. The process typically begins with the partial reduction of 1,4-dihydroxyanthraquinone using zinc powder and hydrochloric acid, followed by condensation with 4-n-butylaniline. Subsequent oxidation and sulfonation steps are crucial for forming the desired dye structure. The final stages involve neutralization, filtration, drying, and crushing to yield the finished product in its characteristic powder form, ready for industrial use.

As a leading manufacturer and reliable supplier of high-quality chemical products, we ensure that our Acid Green 27 (CAS 6408-57-7) meets stringent international quality standards. Our extensive production capabilities and dedicated logistics team enable us to fulfill orders of various scales, from small batches for research purposes to large quantities for industrial applications. For those looking to purchase Acid Green 27, we offer competitive price options and flexible packaging solutions, including the standard 25kg drum. We pride ourselves on providing exceptional customer service and technical support to assist you with your specific requirements. To inquire about the current price, discuss bulk purchase options, or learn more about our manufacturing capabilities, please reach out to our sales team. We are committed to being your preferred supplier for Acid Green 27 and other specialty chemicals, ensuring timely delivery and product excellence.