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[Chemical Knowledge]：What are the upstream raw materials of TCEP and what are the downstream products?

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Tris (2-carboxyethyl) phosphine (TCEP) is an important chemical raw material, widely used in medicine, pesticides, materials and other fields. In the field of raw materials for chemical production, the upstream and downstream related products of TCEP mainly include the following categories:

1. upstream product

(1) yellow phosphorus: yellow phosphorus is one of the main raw materials for the production of TCEP, which is reacted with ethanol to produce triethyl phosphite, and then reacted with phosphorus trichloride to obtain TCEP.

(2) Phosphorus trichloride: Phosphorus trichloride is also one of the important raw materials for the production of TCEP, which reacts with triethyl phosphite to obtain TCEP.

(3) Ethanol: Ethanol is used as a solvent and raw material to participate in the production process of TCEP.

2. Downstream products

(1) Pharmaceutical intermediates: TCEP can be used as pharmaceutical intermediates for the production of antiviral drugs, anti-tumor drugs.

(2) Pesticide Intermediates: TCEP can also be used to produce pesticide intermediates such as herbicides, insecticides, etc.

(3) Flame retardant: TCEP can be used as a flame retardant to improve the flame retardant properties of materials.

(4) Plastic additives: TCEP can be used as a plastic additive to improve the processing and mechanical properties of plastics.

In short, as an important chemical raw material, TCEP has a wide range of upstream and downstream related products, involving medicine, pesticides, materials and other fields.

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