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

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n-Butane has an important position in the field of chemical production raw materials, and its upstream and downstream related products are extensive. The main upstream and downstream associated products of n-butane will be described in detail below.

upstream products:

1. Natural gas: n-butane is mainly derived from natural gas. Through the separation and purification process, high-purity n-butane can be obtained from natural gas.
2. Petroleum cracking gas: In the process of petroleum cracking, n-butane is also produced as one of the components of cracking gas.

downstream products:

1. Butene: n-butane can be dehydrogenated to produce butene, butene is an important chemical raw material, can be used to produce butadiene, isobutene and other compounds.
2. Butadiene: Butadiene can be further reacted to obtain butadiene, which is an important monomer for synthetic rubber, synthetic resin and other polymer compounds.
3. Methyl tert-butyl ether (MTBE): n-Butane reacts with methanol in the presence of an acidic catalyst to produce methyl tert-butyl ether, which is a high octane gasoline additive.
4. Isobutane: The isomerization reaction of n-butane produces isobutane, and isobutane can also be used as a refrigerant, a foaming agent, and the like.
5. Butanol: Butane can be oxidized to form butanol, butanol is a solvent and chemical raw materials.

Through the above introduction, it can be seen that the upstream and downstream related products of n-butane are very rich and play an important role in the field of chemical production raw materials. The production and application of these products involve many fields, such as petrochemical, polymer materials, fine chemicals, etc.

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