Einecs 262-004-0

disodium 2-[(2-hydroxynaphthyl)azo]naphthalene-1,5-disulphonate

2-[(2-Hydroxynaphthalen-1-yl)azo]-1,5-naphthalenedisulfonic acid disodium salt

1,5-Naphthalenedisulfonic acid, 2-((2-hydroxy-1-naphthalenyl)azo)-, disodium salt

1,5-Naphthalenedisulfonic acid, 2-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-, sodium salt (1:2)