CAS No.: 157577-99-6 Other Names: Acid Black N-BG MF: C34H26N10Na2O9S3 EINECS No.: 605-104-5 Place of Origin: Gujarat, India Type: Acid Dye Usage: Leather Dyestuffs, Textile Dyestuffs, cotton and glue dyeing Brand Name: Sparrowings Appearance: Powder Form