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

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N-propyl acetate is an important organic chemical raw material, which is widely used in medicine, pesticide, spice, dye and other fields. In the field of raw materials for chemical production, the upstream and downstream related products of n-propyl acetate mainly include the following categories:

upstream products:

1. Acetic acid: Acetic acid is one of the main raw materials of n-propyl acetate, which is used for esterification reaction with n-propyl alcohol to generate n-propyl acetate.
2. n-Propanol: n-Propanol is also one of the main raw materials of n-propyl acetate, which reacts with acetic acid to produce n-propyl acetate.

downstream products:

1. pharmaceutical intermediates: n-propyl acetate can be used as pharmaceutical intermediates, used in the production of antibacterial drugs, antipyretic analgesics, cardiovascular drugs and other drugs.
2. Pesticide intermediates: n-Propyl acetate can also be used to produce pesticide intermediates, such as pesticides, fungicides, etc.
3. spices: n-propyl acetate has a fragrance and can be used to produce various spices, such as food flavors, daily chemical flavors, etc.
4. Dye intermediates: n-propyl acetate can also be used to produce dye intermediates, such as acid dyes, basic dyes, etc.

Specifically, the upstream and downstream related products of n-propyl acetate include the following categories:

Upstream raw materials:

1. Acetic acid: Acetic acid is an important organic acid, which is widely used in chemical industry, medicine, food and other fields. The production methods of acetic acid mainly include ethanol oxidation, acetaldehyde oxidation, low carbon hydrocarbon oxidation, etc.
2. n-Propanol: n-Propanol is a monohydric alcohol with an alcoholic and pungent odor. The main production methods of n-propanol are propylene hydration method, propylene carbonyl synthesis method, etc.

downstream products:

1. pharmaceutical intermediates:
a. antipyretic analgesics: n-propyl acetate can be used as antipyretic analgesics production raw materials, such as aspirin.
B. Antibacterial drugs: n-propyl acetate can also be used in the production of antibacterial drugs, such as cephalosporins.
c. Cardiovascular drugs: n-propyl acetate can be used as raw materials for the production of cardiovascular drugs, such as Puli.
2. Pesticide intermediates:
a. Insecticides: n-propyl acetate can be used to produce pesticides, such as pyrethroids.
B. Fungicides: n-propyl acetate can also be used as raw materials for the production of fungicides, such as benzimidazole.
3. spices:
a. food flavor: n-propyl acetate with fruit and wine flavor, can be used for the production of food flavor.
B. daily fragrance: n-propyl acetate can also be used in the production of daily fragrance, such as shampoo, shower gel and other detergent fragrance ingredients.
4. dye intermediates:
a. acid dyes: n-propyl acetate can be used as raw materials for the production of acid dyes, such as acid red, acid blue, etc.
B. Basic dyes: n-Propyl acetate can also be used to produce basic dyes, such as basic magenta.

In short, as an important organic chemical raw material, n-propyl acetate has a wide range of upstream and downstream related products, involving medicine, pesticides, spices, dyes and other fields.

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