What are the physical and chemical properties of 4,5-Dimethoxy-2-nitrobenzaldehyde (CAS: 20357-25-9)?

4,5-Dimethoxy-2-nitrobenzaldehyde (CAS: 20357-25-9) is a crystalline solid with a molecular weight of approximately 238.13 g/mol. It is slightly soluble in water but more soluble in organic solvents such as ethanol and acetone. Chemically, it is reactive and can undergo nitro reduction and methoxy group reactions. It is typically used in organic synthesis and as a precursor in the production of various dyes and pharmaceuticals.