2 Nitrobenzaldehyde is most commonly utilized for processing of indigo dye which is required for dying jeans & other textiles. It serves as precursor to indigo carmine and is highly efficient photoremovable protecting group. This compound has chemical formula C7H5NO3 with molecular weight of 151.12 g/mol. It is an aromatic compound which generally appears as pale yellow crystalline powder and shows boiling point of about 152 degrees Celsius. 2 Nitrobenzaldehyde is water insoluble in nature and can be availed at highly competitive prices by our respected clients. During a chemical reaction, it can accept 3 hydrogen bonds.