Chloranil

Synonyms

1,4-Benzoquinone, 2,3,5,6-tetrachloro-; 2,3,5,6-Tetrachloro-1,4-benzoquinone; 2,3,5,6-Tetrachloro-2,5-cyclohexadiene-1,4-dione; 2,3,5,6-Tetrachloro-p-benzoquinone; 2,3,5,6-Tetrachlorobenzoquinone; 2,3,5,6-Tetrachloroquinone; 2,5-Cyclohexadiene-1,4-dione, 2,3,5,6-tetrachloro-; Chloranile; Coversan; Dow Seed Disinfectant No. 5; ENT 3,797; G-25804; G-444E; Geigy-444E; Geigy-444e; Khloranil; Psorisan; Quinone tetrachloride; Reranil; Spergon; Spergon I; Spergon technical; Tetrachloro-1,4-benzoquinone; Tetrachloro-p-benzoquinone; Tetrachloro-p-quinone; Tetrachlorobenzoquinone; Tetrachloroparabenzoquinone; Tetrachloroquinone; Vulklor; p-Benzoquinone, 2,3,5,6-tetrachloro-; p-Chloranil; [ChemIDplus]

Category

Aromatic Ketones, Halogenated

Description

Golden yellow solid; [Merck Index] Yellow or green powder; [MSDSonline]

Sources/Uses

Used as a dye intermediate, oxidizing agent, vulcanizing agent, dehydrogenation reagent, and veterinary topical medication; Also used as a fungicide in seed treatment and foliar application and to make chloranil electrodes for pH measurements; [HSDB]

Comments

A skin, eye, and respiratory tract irritant; May cause CNS effects with heavy exposures resulting in unconsciousness; [ICSC] A skin, mucous membrane, and respiratory tract irritant; May cause CNS depression and liver damage; [CAMEO] Symptoms of poisoning include watery diarrhea, CNS depression, coma, and death; Has caused corneal necrosis in rabbit eyes; Emergency medical treatment: see Dichlone-chloranil; [HSDB] Effects in high-dose animal studies include liver tumors, increase in cellular immune response, fatty liver degeneration, and changes in clotting factors and leukocyte count; [RTECS] See "Dichlone."

Biomedical References

5.1E-06 mm Hg

LC50 (rat) = 2,485 mg/m3/4h

Other CNS neurotoxin

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)