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[Chemical Knowledge]：What are the role and uses of triphenyl phosphite

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triphenyl phosphite is an organophosphorus compound and a colorless viscous liquid. Colorless to pale yellow monoclinic crystals below room temperature. Above room temperature, it is colorless, light yellow, transparent oily liquid with a pungent smell. Insoluble in water, soluble in ethanol, ether, acetone, benzene and other organic solvents.

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Four functions and uses

of triphenyl phosphite 1. Antioxidants and stabilizers TPPi are mainly suitable for anti-oxygen stabilizers such as polyvinyl chloride, polyethylene, polypropylene, polystyrene, polyester, ABS resin, epoxy resin, synthetic rubber, etc.

2. Used as stabilizer for synthetic rubber and resin, antioxidant for polyvinyl chloride plastic and raw material for alkyd resin and pesticide intermediate

3. Used as chelating agent in PVC products. When metal is the main stabilizer, the combination of this product can reduce the harm of metal chloride.

4. Used as chelating agent, plastic anti-aging agent and raw material for synthesizing alkyd resin and polyester resin;

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