Agent Name

Tetradifon

CAS Number

116-29-0

Formula

C12-H6-Cl4-O2-S

Major Category

Pesticides

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]

Restricted

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

Exposure Assessment
Vapor Pressure

2.4E-10 mm Hg

Lethal Concentration

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

Explanatory Notes

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

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Other Poison

Organochlorine Pesticide

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: