CAS No.: 5144-89-8
Molecular formula: C12H8N2.H2O
Assay : 99% min.
Molar absorptivity of Fe complex ε[L/(cm·mol)]: 1.15×104 min.
Solubility in alcohol: Qualified
Residue of ignition (as sulfate): 0.1% max.
Applicatiion: REDOX indicator, the determination of ferrous reagent, liquid crystal materials intermediates