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[Chemical Knowledge]：What are the upstream raw materials for p-phenylphenol? What do the downstream products contain?

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P-phenylphenol (BPP) is an important chemical raw material, which is widely used in medicine, pesticides, antioxidants, spices and other fields. In the field of raw materials for chemical production, there are many upstream and downstream related products of p-phenylphenol, some of which are described in detail below.

1. Upstream product

(1) Phenol: Phenol is one of the main raw materials of p-phenylphenol. p-phenylphenol can be produced by the condensation reaction of phenol and phenylacetone.

(2) Acetone: Acetone is another important raw material that undergoes a condensation reaction with phenol to produce p-phenylphenol.

2. Downstream product

(1) Pesticide: p-Phenyl phenol can be used to synthesize a variety of pesticides, such as fungicides, insecticides, etc. For example, p-phenylphenol can be reacted with formaldehyde to produce methyl p-hydroxybenzoate, a common food preservative.

(2) Pharmaceutical intermediates: p-phenylphenol can be used as pharmaceutical intermediates for the synthesis of anti-inflammatory, anti-cancer, anti-fungal drugs. For example, p-phenylphenol can be reacted with acetic anhydride to produce p-hydroxybenzoic acid, which is a commonly used pharmaceutical intermediate.

(3) Antioxidant: p-Phenylphenol can be used as an antioxidant to prevent oxidative deterioration of polymer materials, oils and fats, etc. For example, the reaction of p-phenylphenol with 2,6-di-tert-butyl-p-cresol can produce a highly effective antioxidant.

(4) Fragrance: p-Phenyl phenol can also be used to synthesize fragrances, such as vanillin, vanillin, etc. These spices are widely used in food, cosmetics and other fields.

In short, p-phenylphenol, as an important chemical raw material, has a wide range of upstream and downstream related products, involving pharmaceuticals, pesticides, antioxidants, spices and other fields.

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