Solvent Black 5, also known as Disperse Black 5 or C.I. 26150, is a synthetic azo dye primarily used in the coloring of synthetic fibers such as polyester, nylon, and acetate. It is characterized by its dark black color and high solubility in organic solvents, which makes it suitable for various applications in the textile, printing, and dyeing industries. Solvent Black 5 is known for its excellent light fastness, heat stability, and resistance to washing, making it a popular choice for producing deep, rich black shades in fabrics and other materials. However, it is important to note that the use of certain azo dyes has been restricted due to potential health and environmental concerns, and Solvent Black 5 may be subject to such regulations depending on the region and application.
The CAS Registry Mumber 8005-01-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 8,0,0 and 5 respectively; the second part has 2 digits, 0 and 1 respectively. Calculate Digit Verification of CAS Registry Number 8005-01: (6*8)+(5*0)+(4*0)+(3*5)+(2*0)+(1*1)=64 64 % 10 = 4 So 8005-01-4 is a valid CAS Registry Number.