Disperse Blue 73, with the CAS number 12222-78-5, is a synthetic organic dye primarily used in the dyeing of synthetic fibers, particularly polyester. It belongs to the class of disperse dyes, which are characterized by their ability to be dispersed in water for application on hydrophobic substrates. This dye exhibits a deep blue color and is known for its excellent lightfastness and washfastness, making it suitable for textile applications. Disperse Blue 73 is typically applied through a high-temperature dyeing process, which allows the dye to penetrate the fiber structure. In terms of chemical structure, it is an azo dye, which means it contains one or more azo groups (-N=N-) that contribute to its color properties. While it is effective for its intended uses, there are environmental and health considerations associated with azo dyes, as some can release aromatic amines that may be harmful. Therefore, regulations often govern its use in various applications to ensure safety and compliance with environmental standards.

Disperse Blue 73

12222-78-5: Disperse Blue 73, with the CAS number 12222-78-5, is a synthetic organic dye primarily used in the dyeing of synthetic fibers, particularly polyester. It belongs to the class of disperse dyes, which are characterized by their ability to be dispersed in water for application on hydrophobic substrates. This dye exhibits a deep blue color and is known for its excellent lightfastness and washfastness, making it suitable for textile applications. Disperse Blue 73 is typically applied through a high-temperature dyeing process, which allows the dye to penetrate the fiber structure. In terms of chemical structure, it is an azo dye, which means it contains one or more azo groups (-N=N-) that contribute to its color properties. While it is effective for its intended uses, there are environmental and health considerations associated with azo dyes, as some can release aromatic amines that may be harmful. Therefore, regulations often govern its use in various applications to ensure safety and compliance with environmental standards.

CAS 12222-78-5

Disperse Blue 73