Synonyms: Zambesi Black D; Azogen Black D; Giuba Black D; Diazo Black D; Diazol Black SD;(3Z)-6-amino-3-[[4-[(4-aminophenyl)diazenyl]-2-methoxy-5- methylphenyl]hydrazinylidene]-4-oxonaphthalene-2-sulfonate; Phenazo Black D;sodium;Carbide Black D; Durazol Gray B;