Hydroxynaphthol Blue

63451-35-4

Sodium 3-hydroxy-4-((2-hydroxy-4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate; 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[2-(2-hydroxy-4-sulfo-1-naphthalenyl)diazenyl]-, sodium salt (1:3); 2,7-Naphthalenedisulfonic acid, 3-hydroxy-4-[(2-hydroxy-4-sulfo-1-naphthalenyl)azo]-, Trisodium Salt; 3-hydroxy-4-((2-hydroxy-4-sulfonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonic acid, Trisodium Salt;