The 4H-1-Benzopyran-4-one,6-nitro-, with the CAS registry number of 51484-05-0, is also known as 6-Nitrochromone. It belongs to the product categories of Chromones; Benzopyrans; Building Blocks; Heterocyclic Building Blocks. Its molecular formula is C₉H₅NO₄ and molecular weight is 191.14. What's more, its systematic name is 6-Nitro-4H-chromen-4-one. In addition, it must be stored in airtight containers and placed in a dry, cool place. Besides, you should ensure the work place is well-ventilated.

Physical properties about the 4H-1-Benzopyran-4-one,6-nitro- are: (1)ACD/LogP: 1.11; (2)# of Rule of 5 Violations: 0 ; (3)#H bond acceptors: 5; (4)#H bond donors: 0; (5)#Freely Rotating Bonds: 1; (6)Polar Surface Area: 72.12 Å²; (7)Index of Refraction: 1.637; (8)Molar Refractivity: 46.31 cm³; (9)Molar Volume: 128.9 cm³; (10)Surface Tension: 62.6 dyne/cm; (11)Density: 1.482 g/cm³; (12)Flash Point: 179.9 °C; (13)Enthalpy of Vaporization: 59.13 kJ/mol; (14)Boiling Point: 347.1 °C at 760 mmHg; (15)Vapour Pressure: 5.5E-05 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following:
As a chemical, the dust of it can not be breathed. There is limited evidence of a carcinogenic effect. In addition, during using it, wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1) SMILES: [O-][N+](=O)c2ccc1O/C=C\C(=O)c1c2
(2) InChI: InChI=1/C9H5NO4/c11-8-3-4-14-9-2-1-6(10(12)13)5-7(8)9/h1-5H
(3) InChIKey: ORWADBVBOPTYQT-UHFFFAOYAP