CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Oxydemeton methyl is a clear amber liquid. (NTP, 1992) |
|---|---|
| Color/Form | Colorless liquid |
| Boiling Point | 223 °F at 0.01 mmHg (NTP, 1992) |
| Melting Point | less than 14 °F (NTP, 1992) |
| Flash Point | less than 71 °F (NTP, 1992) |
| Solubility | 10 to 50 mg/mL at 61 °F (NTP, 1992) |
| Density | 1.289 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 3.8e-05 millibar at 68 °F (NTP, 1992) |
| LogP | log Kow = -0.74 @ 21 °C |
| Stability/Shelf Life | Subject to hydrolysis and the rate is fairly rapidly in alkaline media, oxidizes to sulfone, decomposes at elevated temperatures. |
| Decomposition | DT50 (est.) 107 days (pH 4), 46 days (pH 7), 2 days (pH 9) (22 °C). |
| Ionization Efficiency | Positive |
| Refractive Index | INDEX OF REFRACTION: 1.5216 @ 20 °C/D |
| Collision Cross Section | 141.78 Ų [M+H]+ 150.93 Ų [M+Na]+ |
| Kovats Retention Index | 1886.4 |
| Other Experimental Properties | ...Rapidly hydrolyzed in alkaline media. |
| Chemical Classes | Pesticides -> Organophosphate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H400:Hazardous to the aquatic environment, acute hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P312:Call a POISON CENTER or doctor/physician if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 246.3 g/mol |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 6 |
| Rotatable Bond Count | 7 |
| Exact Mass | 246.01493830 g/mol |
| Monoisotopic Mass | 246.01493830 g/mol |
| Topological Polar Surface Area | 97.1 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 201 |
| 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
Oxydemeton methyl is a clear amber liquid. (NTP, 1992)