NINGBO INNO PHARMCHEM CO.,LTD. is pleased to present an in-depth look at Direct Black 17 (CAS 2945-96-2), a significant dye that plays a vital role in the textile industry. Understanding the chemistry and application of such compounds is central to our mission of providing high-quality chemical solutions. Direct Black 17 is characterized by its molecular formula C24H21N6NaO5S and a molecular weight of 528.52. As a direct dye, it exhibits a strong affinity for cellulosic fibers, making it a primary choice for dyeing cotton and viscose fabrics. The ability to achieve a consistent black shade on these materials is a testament to its well-defined chemical structure and properties.

The dyeing process for Direct Black 17 on cellulose fibers requires careful control of parameters such as temperature and salt concentration. Manufacturers often advise on specific dyeing procedures to ensure uniform color uptake and to mitigate issues like uneven shading. The dye's excellent performance in cellulose fiber dyeing makes it a cost-effective and efficient option for large-scale textile production. Furthermore, the dye is not limited to cellulosic materials; it also finds application in dyeing silk, nylon, and various blended fabrics, demonstrating a remarkable versatility in its dye applications.

Beyond its primary use in dyeing, Direct Black 17 is also employed in textile printing. This allows for more intricate designs and patterned fabrics, expanding its utility in the fashion and home décor sectors. The chemical structure of Direct Black 17, including its azo groups, is responsible for its color properties and its substantivity to fibers. However, like many dyes, safety considerations are paramount. The presence of certain aromatic amines, which can be carcinogenic, necessitates careful handling and adherence to regulatory guidelines. NINGBO INNO PHARMCHEM CO.,LTD. emphasizes the importance of consulting Material Safety Data Sheets (MSDS) for detailed handling and safety protocols when working with Direct Black 17. This awareness ensures responsible use and compliance with industry standards.

In summary, Direct Black 17 is a workhorse dye in the chemical industry, particularly within textile manufacturing. Its effectiveness in dyeing silk, nylon, and blended fabrics, coupled with its utility in printing, underscores its value. NINGBO INNO PHARMCHEM CO.,LTD. remains committed to supplying high-quality chemical products like Direct Black 17, supported by thorough technical information and a focus on safety. Our expertise in textile dyeing chemistry enables us to provide reliable solutions for diverse industrial needs.