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[Chemical Knowledge]：What are the upstream raw materials for n-propionaldehyde? What do the downstream products contain?

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Propionaldehyde is an important organic chemical raw material, which is widely used in medicine, pesticides, spices, plastics and synthetic fibers. In the production process of n-propionaldehyde, its upstream raw materials and downstream associated products are diverse. The following will introduce in detail the upstream and downstream associated products of n-propionaldehyde.

Upstream Raw Material

1. Propylene: Propylene is the main raw material of n-propionaldehyde, which can be obtained by oxidation or carbonylation reaction.
2. Synthesis gas: Synthesis gas (a mixture of carbon monoxide and hydrogen) can also be carbonylated to produce n-propionaldehyde.

Downstream Associated Products

1. n-Propyl alcohol: n-Propyl aldehyde can generate n-propyl alcohol through hydrogenation reduction reaction, which is an important solvent and chemical raw material.
2. Propionic acid: Propionic aldehyde can be oxidized to produce propionic acid, which is a food additive and pharmaceutical intermediate.
3. 1,3-propanediol: Propionaldehyde can generate 1,3-propanediol through the protection and reduction of aldehyde group, which is an important monomer and solvent.
4. Acrylic acid: n-Propionaldehyde can be oxidized to produce acrylic acid, which is an important monomer for the production of polymers and resins.
5. Propyl acetate: n-Propyl aldehyde can be esterified with acetic acid to produce propyl acetate, which is a fragrant solvent and fragrance.

In the actual production process, the upstream and downstream related products of n-propionaldehyde may be more abundant, depending on the specific production process and market demand. Understanding the upstream and downstream related products of n-propionaldehyde will help enterprises to optimize the production process, improve the efficiency of resource utilization, and also help to expand the application field of n-propionaldehyde and promote the development of related industries.

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