5-Amino-4-hydroxy-3-[[4-[(2-hydroxy-1-naphthalenyl)azo]-1,1-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
CAS No. 6426-68-2
5-Amino-4-hydroxy-3-[[4-[(2-hydroxy-1-naphthalenyl)azo]-1,1-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt;C.I.22485;C.I.Direct Blue 19;Direct Blue 3R;2,7-Naphthalenedisulfonic acid, 5-amino-4-hydroxy-3-((4-((2-hydroxy-1-naphthalenyl)azo)
BRN 0543600 63931-74-8