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1,3-Dichloro-1,1,2,3,3-pentafluoropropane is a polyfluorinated refrigerant use in cooling systems which is classified as an environmental toxin contributing to ozone depletion.Environmental toxin on US EPA Toxic Release Inventory list (TRI) list.

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Colorless odorless liquid. Nonflammable.

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Slightly soluble in water.

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1,3-dichloro-1,1,2,3,3-pentafluoro-propane is chemically inert in many situations, but can react violently with strong reducing agents such as the very active metals and the active metals. Reacts with strong oxidizing agents and with air under extremes of temperature.

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