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Names | |
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Preferred IUPAC name
O-Ethyl S-phenyl ethylphosphonodithioate | |
Other names
Dyfonate, Dyphonate, Fonophos
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Identifiers | |
3D model (
JSmol)
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ChemSpider | |
ECHA InfoCard | 100.012.189 |
PubChem
CID
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UNII | |
CompTox Dashboard (
EPA)
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Properties | |
C10H15OPS2 | |
Molar mass | 246.32 g·mol−1 |
Appearance | Light-yellow liquid with an aromatic odor [1] |
Density | 1.16 g/cm3 [2] |
Boiling point | 130 °C (266 °F; 403 K) 0.13 mbar [2] |
0.001% (20°C) [3] | |
Vapor pressure | 0.0002 mmHg (25°C) [3] |
Hazards | |
Flash point | > 94 °C; 201 °F; 367 K [3] |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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none [3] |
REL (Recommended)
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TWA 0.1 mg/m3 [skin] [3] |
IDLH (Immediate danger)
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N.D. [3] |
Except where otherwise noted, data are given for materials in their
standard state (at 25 °C [77 °F], 100 kPa).
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Fonofos is an organothiophosphate insecticide primarily used on corn. [4] It is highly toxic [4] and listed as an extremely hazardous substance. [5]
At room temperature, fonofos has a clear-to-yellow color. It has a distinct Mercaptan odour. It is soluble in most common organic Solvents. It is available in multiple forms, including granular, microgranular,