CAS NO. 6406-63-9 | 4-Hydroxy-5-[[4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenyl]azo]benzene-1,3-disulfonic acid disodium salt |

4-Hydroxy-5-[[4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenyl]azo]benzene-1,3-disulfonic acid disodium salt

C.I.26955	C.I.Mordant Black 18
Diamond Alizarine Black EN	4-Hydroxy-5-[[4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenyl]azo]benzene-1,3-disulfonic acid disodium salt