The 3(2H)-Pyridazinone,4-bromo-6-hydroxy-, with the CAS registry number 15456-86-7, is also known as 4-Bromo-pyridazine-3,6-diol. This chemical's molecular formula is C₄H₃BrN₂O₂ and molecular weight is 190.98. What's more, its systematic name is 4-bromo-1,2-dihydropyridazine-3,6-dione.

Physical properties of 3(2H)-Pyridazinone,4-bromo-6-hydroxy- are: (1)ACD/LogP: -0.48; (2)# of Rule of 5 Violations: 0; (3)ACD/BCF (pH 5.5): 1; (4)ACD/BCF (pH 7.4): 1; (5)ACD/KOC (pH 5.5): 12.86; (6)ACD/KOC (pH 7.4): 6.93; (7)#H bond acceptors: 4; (8)#H bond donors: 2; (9)#Freely Rotating Bonds: 0; (10)Polar Surface Area: 40.62 Å²; (11)Index of Refraction: 1.59; (12)Molar Refractivity: 32.78 cm³; (13)Molar Volume: 97.1 cm³; (14)Polarizability: 12.99×10^-24cm³; (15)Surface Tension: 54.6 dyne/cm; (16)Density: 1.965 g/cm³.

Preparation of 3(2H)-Pyridazinone,4-bromo-6-hydroxy-: this chemical can be prepared by bromo-maleic acid anhydride by heating. This reaction will need reagent N₂H₄·H₂SO₄ and solvent H₂O with the reaction time of 6 hours. The yield is about 71%.

Uses of 3(2H)-Pyridazinone,4-bromo-6-hydroxy-: it can be used to produce 3,4,6-trichloro-pyridazine by heating. It will need reagent POCl₃ with the reaction time of 4 hours. The yield is about 84%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1C(\Br)=C/C(=O)NN1
(2)InChI: InChI=1S/C4H3BrN2O2/c5-2-1-3(8)6-7-4(2)9/h1H,(H,6,8)(H,7,9)
(3)InChIKey: BMASTHFFAMGJKZ-UHFFFAOYSA-N