CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Fonofos is a light-yellow liquid with a pungent mercaptan-like odor. Used primarily as an insecticide for corn. (EPA, 1998) |
|---|---|
| Color/Form | Light yellow liquid |
| Odor | Aromatic |
| Boiling Point | 266 °F at 0.1 mmHg (EPA, 1998) |
| Melting Point | 30 °C |
| Flash Point | greater than 201 °F (NIOSH, 2023) |
| Solubility | 0.001 % (NIOSH, 2023) |
| Density | 1.16 at 77 °F (EPA, 1998) - Denser than water; will sink |
| Vapor Pressure | 0.00021 mmHg at 77 °F (EPA, 1998) |
| LogP | log Kow= 3.94 |
| Stability/Shelf Life | Stable < 100 °C |
| Decomposition | When heated to decomposition it emits very toxic fumes of /phosphorus oxides and sulfur oxides/. |
| Corrosivity | Corrosive to steel |
| Refractive Index | Index of refraction: 1.5883 @ 30 °C/D |
| Kovats Retention Index | 1742 1754 1779 1736 1768 1720 1754.5 1751.8 1750.7 1775.1 1762.8 1775.6 |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
![]() Flame Flammables GHS02 ![]() Skull and Crossbones Acute Toxicity GHS06 ![]() Exclamation Mark Irritant GHS07 ![]() Environment GHS09 |
| GHS Hazard Statements |
H225:Flammable liquids H319:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P284:Wear respiratory protection. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 246.3 g/mol |
|---|---|
| XLogP3 | 3.9 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 5 |
| Exact Mass | 246.03019444 g/mol |
| Monoisotopic Mass | 246.03019444 g/mol |
| Topological Polar Surface Area | 66.6 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 202 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Fonofos is a light-yellow liquid with a pungent mercaptan-like odor. Used primarily as an insecticide for corn. (EPA, 1998)




