The 1-(Phthalazin-1-yl)hydrazine, with the CAS registry number of 59275-69-3, is also known as Hydralazine. This chemical's molecular formula is C₈H₈N₄ and molecular weight is 160.1759. What's more, its systematic name is called 1-Hydrazinylphthalazine.

Physical properties about 1-(Phthalazin-1-yl)hydrazine are: (1)ACD/LogP: 1.00; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.54; (4)ACD/LogD (pH 7.4): 0.99; (5)ACD/BCF (pH 5.5): 1.17; (6)ACD/BCF (pH 7.4): 3.31; (7)ACD/KOC (pH 5.5): 28.69; (8)ACD/KOC (pH 7.4): 81.4; (9)#H bond acceptors: 4; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 1; (12)Polar Surface Area: 32.26 Å²; (13)Index of Refraction: 1.777; (14)Molar Refractivity: 48.78 cm³; (15)Molar Volume: 116.6 cm³; (16)Surface Tension: 78.8 dyne/cm; (17)Density: 1.373 g/cm³; (18)Flash Point: 251.3 °C; (19)Enthalpy of Vaporization: 75.87 kJ/mol; (20)Boiling Point: 491.9 °C at 760 mmHg; (21)Vapour Pressure: 8.05E-10 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: n2nc(c1ccccc1c2)NN
(2) InChI: InChI=1/C8H8N4/c9-11-8-7-4-2-1-3-6(7)5-10-12-8/h1-5H,9H2,(H,11,12)
(3) InChIKey: RPTUSVTUFVMDQK-UHFFFAOYAB