The 2-Hydroxy-4-nitropyridine with cas registry number of 4487-51-8 belongs to the categories of nitro; pyridines. Its IUPAC name is called 4-nitro-1H-pyridin-2-one. This chemical is also known as 2(1H)-Pyridinone,4-nitro-(9CI); 4-nitropyridin-2(1H)-one.

Physical properties about this chemical are: (1)ACD/LogP: -1.07; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.07; (4)ACD/LogD (pH 7.4): -1.07; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 6.25; (8)ACD/KOC (pH 7.4): 6.25; (9)#H bond acceptors: 5; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 1; (12)Index of Refraction: 1.588; (13)Molar Refractivity: 32.54 cm³; (14)Molar Volume: 96.7 cm³ ; (15)Surface Tension: 55.8 dyne/cm; (16)Density: 1.44 g/cm³; (17)Flash Point: 155.8 °C; (18)Enthalpy of Vaporization: 57.7 kJ/mol; (19)Boiling Point: 334 °C at 760 mmHg; (20)Vapour Pressure: 0.000131 mmHg at 25°C.

In addition, you could convert the following data information into the molecular structure:
(1)Canonical SMILES: C1=CNC(=O)C=C1[N+](=O)[O-];
(2)InChI: InChI=1S/C5H4N2O3/c8-5-3-4(7(9)10)1-2-6-5/h1-3H,(H,6,8);
(3)InChIKey: STJAXIFXCBWILG-UHFFFAOYSA-N