Luminol 123072 - 97%DOWNLOAD MSDS (PDF) Synonym: 3-Aminophthalhydrazide, 5-Amino-2,3-dihydro-1,4-phthalazinedione CAS Number: 521-31-3 Empirical Formula (Hill Notation): C8H7N3O2 Molecular Weight: 177.16 assay 97% mp >300 °C(lit.)