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[Chemical Knowledge]：What are the upstream raw materials for R134a(1,1,1,2-tetrafluoroethane) and what are the downstream products?

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R134a(1,1,1,2-tetrafluoroethane) is a common chemical raw material, widely used in refrigerant, foaming agent, solvent and other fields. The following are the upstream and downstream associated products of R134a:

Upstream products:

1. Carbon tetrachloride: Carbon tetrachloride is one of the important raw materials for the production of R134a, which can be obtained by fluorination reaction 1,1,1,2-tetrafluoroethane.
2. Hydrofluoric acid: Hydrofluoric acid is used as a fluorinating agent in the production of R134a and reacts with carbon tetrachloride to form 1,1,1,2-tetrafluoroethane.

downstream products:

1. Refrigerant: R134a, as an environmentally friendly refrigerant, is widely used in automotive air conditioning, household air conditioning, commercial refrigeration and other fields.
2. Blowing agent: R134a can be used as a blowing agent for polyurethane foam, with non-flammable, low toxicity, high efficiency and so on.
3. Solvent: R134a can be used as a cleaning agent and solvent to remove grease, stains, etc.

In addition, the downstream associated products of R134a also include some fluorides, such as hexafluoropropylene, octafluorocyclobutane, etc. These compounds are widely used in chemical, electronic, medical and other fields.

In short, as an important chemical raw material, R134a has a wide range of upstream and downstream related products, involving many fields, such as refrigerants, foaming agents, solvents, fluorides, etc.

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