Synonym(s): 6-(5-Chloro-2-hydroxy-3-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt; 6-(5-Chloro-2-hydroxy-4-sulfonphenylazo)-5-hydroxy-1-naphthalene-sulfonic acid sodium salt
Empirical Formula: C16H9ClN2Na2O8S2
Linear Formula: ClC6H2(OH)(SO3Na)N=NC10H5(OH)SO3Na
Formula Weight: 502.81