The Pyridazine, 3-chloro-6-(2-chlorophenyl)- has CAS registry number 66549-15-3. This chemical's molecular formula is C₁₀H₆Cl₂N₂ and molecular weight is 225.07. What's more, its systematic name is 3-chloro-6-(2-chlorophenyl)pyridazine. When you are using this chemical, please be cautious about it. It may cause inflammation to the skin or other mucous membranes. 

Physical properties of Pyridazine, 3-chloro-6-(2-chlorophenyl)- are: (1)ACD/LogP: 2.76; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2; (4)ACD/LogD (pH 7.4): 2; (5)ACD/BCF (pH 5.5): 34; (6)ACD/BCF (pH 7.4): 34; (7)ACD/KOC (pH 5.5): 431; (8)ACD/KOC (pH 7.4): 431; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 25.78 Å²; (13)Index of Refraction: 1.605; (14)Molar Refractivity: 56.817 cm³; (15)Molar Volume: 165.067 cm³; (16)Polarizability: 22.524×10^-24cm³; (17)Surface Tension: 50.792 dyne/cm; (18)Density: 1.364 g/cm³; (19)Flash Point: 217.209 °C; (20)Enthalpy of Vaporization: 60.638 kJ/mol; (21)Boiling Point: 382.656 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Uses of Pyridazine, 3-chloro-6-(2-chlorophenyl)-: it can be used to produce 3-(3-hydroxypyrrolidino)-6-(2-chlorophenyl)pyridazine by heating. It will need solvent butan-1-ol with the reaction time of 3 hours. The yield is about 72%.

You can still convert the following datas into molecular structure:
(1)SMILES: Clc1ccccc1c2ccc(Cl)nn2
(2)Std. InChI: InChI=1S/C10H6Cl2N2/c11-8-4-2-1-3-7(8)9-5-6-10(12)14-13-9/h1-6H
(3)Std. InChIKey: UTCVANDFQGNDKQ-UHFFFAOYSA-N