C.I. Direct Black 155, with the CAS number 71902-06-2, is a synthetic azo dye primarily used in the textile industry for dyeing cellulose fibers, such as cotton and rayon. This dye is characterized by its deep black color and excellent lightfastness, making it suitable for applications requiring durability and resistance to fading. It is soluble in water, which facilitates its application in various dyeing processes. The chemical structure of C.I. Direct Black 155 includes azo groups (-N=N-), which are responsible for its color properties. Additionally, it is important to note that while azo dyes can be effective colorants, some may pose environmental and health concerns due to the potential release of aromatic amines upon degradation. Therefore, regulatory guidelines often govern the use of such substances, emphasizing the need for safe handling and disposal practices. Overall, C.I. Direct Black 155 is valued for its performance in textile applications, but awareness of its environmental impact is crucial in its usage.

C.I. Direct Black 155

71902-06-2: C.I. Direct Black 155, with the CAS number 71902-06-2, is a synthetic azo dye primarily used in the textile industry for dyeing cellulose fibers, such as cotton and rayon. This dye is characterized by its deep black color and excellent lightfastness, making it suitable for applications requiring durability and resistance to fading. It is soluble in water, which facilitates its application in various dyeing processes. The chemical structure of C.I. Direct Black 155 includes azo groups (-N=N-), which are responsible for its color properties. Additionally, it is important to note that while azo dyes can be effective colorants, some may pose environmental and health concerns due to the potential release of aromatic amines upon degradation. Therefore, regulatory guidelines often govern the use of such substances, emphasizing the need for safe handling and disposal practices. Overall, C.I. Direct Black 155 is valued for its performance in textile applications, but awareness of its environmental impact is crucial in its usage.

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CAS 71902-06-2

C.I. Direct Black 155

C.I.Direct Black 155

Ref: 3D-FD41361