The 5-Nitrovanillin, with the CAS registry number 6635-20-7, is also known as Benzaldehyde, 4-hydroxy-3-methoxy-5-nitro-. It belongs to the product categories of Pharmaceutical Raw Materials; Aromatic Aldehydes & Derivatives (substituted); Benzaldehyde. Its EINECS registry number is 229-633-2. This chemical's molecular formula is C₈H₇NO₅ and molecular weight is 197.14488. Its IUPAC name is called 4-hydroxy-3-methoxy-5-nitrobenzaldehyde. This chemcal is yellow-green fine crystalline powder.

Physical properties of 5-Nitrovanillin: (1)ACD/LogP: 2.10; (2)ACD/LogD (pH 5.5): 1.46; (3)ACD/LogD (pH 7.4): -0.26; (4)ACD/BCF (pH 5.5): 5.29; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 75.37; (7)ACD/KOC (pH 7.4): 1.45; (8)#H bond acceptors: 6; (9)#H bond donors: 1; (10)#Freely Rotating Bonds: 4; (11)Index of Refraction: 1.629; (12)Molar Refractivity: 48.11 cm³; (13)Molar Volume: 135.3 cm³; (14)Surface Tension: 61.7 dyne/cm; (15)Density: 1.456 g/cm³; (16)Flash Point: 147.9 °C; (17)Enthalpy of Vaporization: 58.5 kJ/mol; (18)Boiling Point: 320.9 °C at 760 mmHg; (19)Vapour Pressure: 0.000164 mmHg at 25°C.

Uses of 5-Nitrovanillin: it can be used to produce 3,4-dihydroxy-5-nitro-benzaldehyde at temperature of 77 °C. This reaction will need reagent AlCl₃, Py and solvent ethyl acetate with reaction time of 2 hours. The yield is about 75%.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: COC1=CC(=CC(=C1O)[N+](=O)[O-])C=O
(2)InChI: InChI=1S/C8H7NO5/c1-14-7-3-5(4-10)2-6(8(7)11)9(12)13/h2-4,11H,1H3
(3)InChIKey: ZEHYRTJBFMZHCY-UHFFFAOYSA-N