Calcon (C.I.15705)
1.04594.0250
Calcon (C.I.15705) metal indicator
Synonym(s): Calcon (C.I.15705), 2-Hydroxy-1-(2-hydroxy-1-naphthylazo)naphthalene-4-sulfonic acid sodium salt
Empirical Formula (Hill Notation): C20H13N2NaO5S
CAS Number: 2538-85-4
Molecular Weight: 416.38
