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[Chemical Knowledge]：What are the upstream raw materials for diethanolamine? What are the downstream products?

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Diethanolamine (DEA) is widely used in the field of raw materials for chemical production, and its upstream and downstream related products are numerous. The following are some common upstream and downstream products related to diethanolamine:

1. Upstream products:

(1) Ethylene glycol: Ethylene glycol is one of the main raw materials for the production of diethanolamine. Diethanolamine can be produced by the reaction of ethylene glycol and ammonia.

(2) Ammonia: Ammonia is another important raw material for the production of diethanolamine, which reacts with ethylene glycol to form diethanolamine.

2. Downstream products:

(1) Antiseptic: diethanolamine can be used as a preservative to protect metal materials and other substances that are easy to be corroded.

(2) Emulsifier: diethanolamine can be used as an emulsifier in the production of pesticides, coatings, inks and other products to improve product stability and dispersion.

(3) Gas purification agent: diethanolamine can be used to purify acidic impurities in natural gas, synthesis gas and other gases.

(4) Pharmaceutical intermediates: diethanolamine can be used as pharmaceutical intermediates for the production of anti-allergic drugs, antibacterial drugs and other drugs.

(5) surfactant: diethanolamine can be used in the production of surfactants, widely used in cosmetic, textile, printing and dyeing industries.

In short, diethanolamine, as an important chemical raw material, has a wide range of applications in the field of chemical production, and its upstream and downstream related products are numerous, involving many fields and industries.

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