Tetradifon

Synonyms

1,2,4-Trichloro-5-((4-chlorophenyl)sulfonyl)benzene; 2,4,4',5-Tetrachloor-difenyl-sulfon [Dutch]; 2,4,4',5-Tetrachlor-diphenyl-sulfon [German]; 2,4,4',5-Tetrachlorodiphenyl sulfone; 2,4,4',5-Tetrachlorodiphenyl sulphone (British); 2,4,4',5-Tetracloro-difenil-solfone [Italian]; 2,4,5,4'-Tetrachlorodiphenyl sulfone; 2,4,5,4'-Tetrachlorodiphenylsulphone; 3,4,6,4'-Tetrachlor-diphenylsulfon [German]; 4-Chlorophenyl 2,4,5-trichlorophenyl sulfone; 4-Chlorophenyl 2,4,5-trichlorophenyl sulphone; Akaritox; Aracnol K; Aredion; Benzene, 1,2,4-trichloro-5-((4-chlorophenyl)sulfonyl)-; Childion; Dorvert; Duphar; FMC 5488; Mition; NIA 5488; Polacaritox; Roztoczol; Roztoczol extra; Roztozol; Sulfone, 2,4,4',5-tetrachlorodiphenyl; Sulfone, p-chlorophenyl 2,4,5-trichlorophenyl (7CI)(8CI); Tedane; Tedane Combi; Tedion; Tedion V-18; Tetradichlone; Tetradiphon; Tetrafidon; Turbair Acaricide; V-18; p-Chlorophenyl 2,4,5-trichlorophenyl sulfone; p-Chlorophenyl 2,4,5-trichlorophenyl sulphone; p-Chlorophenyl-2,4,5-trichlorophenyl sulfone; [ChemIDplus] UN2761

Category

Organochlorine Pesticides

Description

White solid; [Hawley] Colorless solid; [ICSC] Technical product: Off-white to slightly yellow solid; [HSDB] White odorless crystalline solid; [MSDSonline]

Sources/Uses

Used as acaricide (controls eggs and young mites) for deciduous fruits, citrus, cotton, vegetables, coffee, rice, tea, and other crops; [HSDB]

Comments

Decomposed by heat and flames forming toxic vapors including hydrogen chloride and sulfur oxides; "The substance may have effects on the kidneys and liver." [ICSC] May cause irritation; [MSDSonline]

Cancelled--no longer registered as a pesticide for use in the US; [HSDB]

Biomedical References

2.4E-10 mm Hg

LC50 (rat) > 3,000 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Organochlorine pesticide, solid, toxic."

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

Other Poison

Organochlorine

Diseases

Occupational diseases associated with exposure to this agent:

• Organochlorine insecticides, acute poisoning

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)