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31
2025
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Uses of Diethyl Phthalate
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Diethyl phthalate is an intermediate in the synthesis of rodenticides such as diphacinone, coumatetralyl, and chlorophacinone, and it also serves as an important solvent. It is used as a plasticizer for plastics.
1. Diethyl phthalate is an intermediate in the synthesis of rodenticides such as diphacinone, coumatetralyl, and chlorophacinone, and it also serves as an important solvent. It is used as a plasticizer for plastics.
2. Used as an analytical reagent, a gas chromatography stationary phase, a solvent for cellulose and esters, a plasticizer, and a lubricant.
3. Used as a plasticizer, solvent, lubricant, fragrance fixative, frother in the flotation of non-ferrous or rare-metal ores, gas-chromatographic stationary liquid, alcohol denaturant, and aerosol insecticide. This product exhibits good compatibility with most resins, including cellulose acetate, cellulose acetate butyrate, polyvinyl acetate, nitrocellulose, ethyl cellulose, polymethyl methacrylate, polystyrene, polyvinyl butyral, and vinyl chloride–vinyl acetate copolymer. It is primarily employed as a plasticizer for cellulosic resins; however, its high volatility limits its widespread application. The substance has low toxicity, with an oral LD50 of 1000 mg/kg in rabbits.
4. It is used as a fixative in fragrances and also as a plasticizer for alkyd resins, nitrile rubber, and chloroprene rubber; it serves as an intermediate in the synthesis of rodenticides such as diphacinone, coumatetralyl, and chlorophacinone, and is an important solvent; it is employed as an analytical reagent, a stationary phase in gas chromatography, a solvent for cellulose and esters, a plasticizer, and a lubricant; it is also used as a plasticizer, solvent, lubricant, fixative, frother in the flotation of nonferrous or rare-metal ores, a stationary phase in gas chromatography, an alcohol denaturant, and an aerosol insecticide. This product exhibits good compatibility with most resins, including cellulose acetate, cellulose acetate butyrate, polyvinyl acetate, nitrocellulose, ethyl cellulose, polymethyl methacrylate, polystyrene, polyvinyl butyral, and vinyl chloride–vinyl acetate copolymer. It is primarily used as a plasticizer for cellulose-based resins; however, its high volatility limits its widespread application. The substance has low toxicity, with an oral LD50 of 1000 mg/kg in rabbits.
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