Murexide is used in analytical chemistry as a complexometric indicator for complexometric titrations, most often of calcium ions, but also for Cu, Ni, Co, Th and rare-earth metals. It functions as a tridentate ligand. Its use has been eclipsed by calcium-ion selective electrodes.

Minimum Assay: 99.2%
Molecular Formula: C8H8N6O6
Molecular Weight: 284.19
Melting Point: >300 deg C
Residue on Ignition: <0.5%

Hazard Phrases: Not considered harmful under normal laboratory conditions

Cas No: 3051-09-0
Einecs No: 221-266-6