3-hydroxy-4-[(2-hydroxynaphthyl)azo]naphthalene-1-sulphonic acid

[ CAS No. ]:
2538-79-6

[ Name ]:
3-hydroxy-4-[(2-hydroxynaphthyl)azo]naphthalene-1-sulphonic acid

[Synonym ]:
Eriochromblauschwarz R
1-(2-hydroxynaphthylazo)-2-naphthol-4-sulphonic acid
Palatine Chrome Black 6BN
calcon
3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-1-naphthalenesulfonic acid
3-Hydroxy-4-(2-hydroxy-naphthalen-1-ylazo)-naphthalene-1-sulfonic acid
1-(2-hydroxy-1-naphthyldiazen-1-yl)-2-naphthol-4-sulfonic acid