CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Fenamiphos appears as brown waxy solid or colorless solid. Used as a nematocide. (EPA, 1998) |
|---|---|
| Color/Form | Colorless crystals |
| Boiling Point | Decomposes (NTP, 1992) |
| Melting Point | 121 °F (EPA, 1998) |
| Solubility | less than 1 mg/mL at 69 °F (NTP, 1992) |
| Density | 1.14 at 39-120 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 9.8e-09 mmHg at 86 °F (EPA, 1998) |
| LogP | log Kow = 3.23 |
| Stability/Shelf Life | In laboratory conditions, fenamiphos is stable at pH 5-7. |
| Decomposition | When heated to decomposition it emits very toxic fumes of /phosphorous, nitric and sulfur oxides/. |
| Dissociation Constants | pKa = 10.50 at 25 °C |
| Collision Cross Section | 170.96 Ų [M+H]+ 177.85 Ų [M+Na]+ |
| Kovats Retention Index | 2110.1 2117.7 |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P262:Do not get in eyes, on skin, or on clothing. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. 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 | 303.36 g/mol |
|---|---|
| XLogP3 | 3.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 7 |
| Exact Mass | 303.10580174 g/mol |
| Monoisotopic Mass | 303.10580174 g/mol |
| Topological Polar Surface Area | 72.9 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 314 |
| 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
Fenamiphos appears as brown waxy solid or colorless solid. Used as a nematocide. (EPA, 1998)