NINGBO INNO PHARMCHEM CO.,LTD. presents a comprehensive guide to Disperse Violet 28 (CAS 81-42-5), an essential dye for the modern chemical and textile industries. Known for its striking violet color and robust performance, Disperse Violet 28 is an anthraquinone derivative that provides excellent color fastness and stability. This makes it a preferred choice for dyeing various synthetic fibers, particularly polyester and nylon. The detailed CAS 81-42-5 dye properties indicate its suitability for demanding applications.

The chemical name for Disperse Violet 28 is 1,4-diamino-2,3-dichloroanthracene-9,10-dione, and its molecular formula is C14H8Cl2N2O2. As a dark purple powder, it exhibits good solubility in organic solvents such as acetone, ethanol, and benzene, but is insoluble in water. This characteristic defines its classification as a disperse dye, requiring specific application methods for effective fiber penetration. In concentrated sulfuric acid, it appears dark brown, turning purple upon dilution, showcasing its chemical reactivity and solubility behavior. The dye bath pH range is ideally between 3 and 9, ensuring optimal performance.

In the textile industry, Disperse Violet 28 is highly valued for its bright reddish-purple shade when applied to polyester fibers. It is used in various dyeing techniques, including high-temperature and high-pressure methods, as well as thermal melting pad dyeing and printing. Its excellent lightfastness (often rated above 7 on the ISO scale) and good overall fastness properties ensure that the dyed fabrics maintain their color integrity over time and under exposure to various environmental factors. This makes it a critical component for anyone looking to buy Disperse Violet 28 for durable textile applications.

The applications of Disperse Violet 28 are not limited to textiles; it is also employed for coloring various resins, demonstrating its versatility. NINGBO INNO PHARMCHEM CO.,LTD. is committed to supplying high-purity Disperse Violet 28, ensuring manufacturers receive a product that meets their stringent quality requirements. Whether used for dyeing polyester knitted fabrics or for adjusting color shades in complex blends, Disperse Violet 28 offers a reliable and effective solution. Its availability from trusted suppliers ensures consistency and performance.