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2, 5-dimethoxy benzaldehyde [Relative molecular weight or atomic weight] 166.18 【 Molecular structure 】 All benzene C atoms and carbonyl C and O atoms form σ bonds with sp2 hybridized orbitals. Other C and O atoms form sigma bonds with sp3 hybridized orbitals. 【 Melting point (℃) 】52 【 Boiling Point (℃) 】146(1333 PA) 【 Character 】 Achromatic crystals. 【 Dissolution condition 】 Soluble in ethanol, ether. 【 Purpose 】 Used as an organic intermediate. 【 Preparation or source 】 The corresponding hydroxy-methoxy-benzaldehyde was synthesized b...