CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Phosmet is an off-white crystalline solid with an offensive odor. Used as an insecticide and acaricide. (EPA, 1998) |
|---|---|
| Color/Form | Off-white crystalline solid |
| Odor | OFFENSIVE ODOR |
| Boiling Point | Decomposes below boiling point (EPA, 1998) |
| Melting Point | 161 °F (EPA, 1998) |
| Solubility | 100 G/KG IN DICHLOROMETHANE, 4-METHYLPENT-3-EN-2-ONE, BUTANONE |
| Density | 1.03 at 20 °C/4 °C |
| Vapor Pressure | 0.001 mmHg at 122 °F (EPA, 1998) |
| LogP | log Kow = 2.95 |
| Stability/Shelf Life | Stable under normal storage conditions. |
| Decomposition | When heated to decomposition it emits very toxic fumes of /nitrogen oxides, phosphorus oxides, and sulfur oxides./ |
| Corrosivity | SLIGHTLY CORROSIVE TO METALS |
| Collision Cross Section | 167.89 Ų [M+Na]+ 159.32 Ų [M+H]+ |
| Kovats Retention Index | 2375 2424 2378.7 2408.7 2393.7 2431.9 2381.6 2375.8 2416.4 2379.5 |
| Other Experimental Properties | Off-white or pink solid, with an offensive odor. MP of technical grade (92% pure): 66-69 °C /technical imidan/ |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H332:Acute toxicity,inhalation H370:Specific target organ toxicity, single exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. 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. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 317.3 g/mol |
|---|---|
| XLogP3 | 2.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 5 |
| Exact Mass | 316.99453721 g/mol |
| Monoisotopic Mass | 316.99453721 g/mol |
| Topological Polar Surface Area | 113 Ų |
| Heavy Atom Count | 19 |
| Formal Charge | 0 |
| Complexity | 399 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Phosmet is an off-white crystalline solid with an offensive odor. Used as an insecticide and acaricide. (EPA, 1998)