Acid Blue BGL is mainly used for dyeing and printing wool, nylon, and silk, with nylon fabrics being the most commonly used.
1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and N-(3-aminophenyl)acetamide in between copper salt and tied the presence of acid agents condensation, and then translate into sodium salt.