Synonym: 1,2-Dihydro-3,6-pyridazinedione, 3,6-Dihydroxypyridazine, 3,6-Pyridazinediol Appearance: White cystals Density: 1,6 g/cm3 HS Code: 29339990 IUPAC_Name: 1,2-dihydropyridazine-3,6-dione Melting Point: 299-301°C RTECS Number: UR5950000