J-酸 (7-Amino-4-hydroxynaphthalene-2-sulfonic acid)

J-Acid, also known as 7-Amino-4-hydroxynaphthalene-2-sulfonic acid, is a key intermediate in the synthesis of reactive dyes. It is widely used in the textiles and leather industry to produce vibrant and colorfast dyes. This product is appreciated for its ability to enhance the dyeing process, ensuring excellent fixation on fabrics and superior light fastness.