Chemical Properties
yellow to light brown crystals, crystalline powder
Uses
3,5-Dichlorophenol is used as pharmaceutical intermediate.
Definition
ChEBI: 3,5-dichlorophenol is a dichlorophenol in which the two chloro substituents are located at positions 3 and 5.
Application
3,5-Dichlorophenol is a metabolite of the pesticides polychlorinated phenols and benzene hexachloride. found in chlorinated waste water; Used as a research chemical.
Preparation
Catalytic hydrodechlorination of polychlorophenols in organic or aqueous media with a palladium catalyst was used to obtain 3-chlorophenol and 3,5-dichlorophenol.
General Description
Prisms (from petroleum ether) or pink crystals.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
3,5-Dichlorophenol is incompatible with acid chlorides, acid anhydrides and oxidizing agents.
Fire Hazard
Flash point data for 3,5-Dichlorophenol are not available. 3,5-Dichlorophenol is probably combustible.
Purification Methods
Crystallise 3,5-dichlorophenol from pet ether/*benzene mixture and/or distil it. [Beilstein 6 IV 957.]