Process for the purification of benzaldehyde

Details Process for the purification of benzaldehyde Process for the purification of benzaldehyde

C - Chemistry, Metallurgy

07

C

260/574

C07C 47/54 (2006.01) C07C 45/82 (2006.01) C07C 45/85 (2006.01)

Patent

CA 1138000

ABSTRACT A process for purification of impure benzaldehyde by which purified benzaldehyde is prepared which has improved color stability and improved olfactory characteristics. The process is comprised of the steps of treatment with hydrogen in the presence of a hydrogenation catalyst followed by distillation. The present invention is a new and novel process for the purification of benzaldehyde and, is in particular, a unique and novel process for the purification of benzaldehyde prepared by the oxidation of toluene with a gas containing molecular oxygen.

346700

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