| Agent Name |
Fonofos |
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| CAS Number |
944-22-9 |
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| Formula |
C10-H15-O-P-S2 |
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| Major Category |
Pesticides |
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| Synonyms |
(+-)-O-Ethyl S-phenyl ethylphosphonodithioate (8CI)(9CI); Difonate; Difonatul; Doubledown; Dyfonate; Dyfonate Tillam 1-4E; Dyphonate; Ethylphosphonodithioic acid O-ethyl S-phenyl ester; Fonophos; N-2788; N-2790; O-Aethyl-S-phenyl-aethyl-dithiophosphonat [German]; O-Ethyl S-phenyl ethyldithiophosphonate; O-Ethyl S-phenyl ethylphosphonothiolothionate; O-Ethyl-S-phenyl ethylphosphonodithioate; OMS 410; Phosphonodithioic acid, ethyl-, O-ethyl S-phenyl ester; Stauffer N 2790; [ChemIDplus] |
|---|
| Category |
Organophosphates |
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| Description |
Light-yellow liquid with an aromatic odor. [insecticide]; [NIOSH] |
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| Sources/Uses |
Used primarily on corn, and also on sugar cane, peanuts, tobacco, turf, and vegetables; [EXTOXNET] |
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| Comments |
Classified as "highly toxic," the more concentrated formulations of fonofos may be used only by certified applicators. It persists in soil with a half-life of about 40 days. [EXTOXNET] |
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| Reference Link |
EXTOXNET PIP - FONOFOS |
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| Exposure Assessment |
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| BEI |
Cholinesterase activity in red cells = 70% of individual's baseline, sample time discretionary; [ACGIH] |
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| Skin Designation (ACGIH) |
Yes |
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| TLV (ACGIH) |
0.1 mg/m3, inhalable fraction and vapor |
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| Vapor Pressure |
0.0002 mm Hg |
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| Lethal Concentration |
LC50 (rats) = 1,900 mg/m31h |
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| Adverse Effects |
|---|
| Other Poison |
Organophosphate |
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| Links to Other NLM Databases |
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| Health Studies |
Human Health Effects from Hazardous Substances Data Bank: FONOFOS
|
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