I. Basic Information Chemical Formula : C7H6O, alternatively written as C6H5CHO. Molecular Weight : 106.12. CAS Registry Number : 100-52-7. EINECS Number : 202-860-4. II. Physical Properties Appearance : Pure benzaldehyde is a colorless liquid, while industrial-grade benzaldehyde may appear as a colorless to pale yellow liquid. Odor : It has a characteristic odor reminiscent of bitter almonds, cherries, and nuts. Melting Point : -26°C. Boiling Point : 179°C. Flash Point : 62°C (CC) or 73.9°C (OC). Density : 1.04g/cm³. Solubility : Slightly soluble in water, but miscible with ethanol, ether, benzene, chloroform, and other solvents. III. Chemical Properties Reducibility : Benzaldehyde can be reduced to benzyl alcohol using reducing agents such as sodium borohydride (NaBH4) or lithium aluminum hydride (LiAlH4). Oxidability : Under appropriate conditions, benzaldehyde can be oxidized to benzoic acid using oxidizing agents like potassium permanganate (KMnO4) or potassium dichromate (...