CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Demeton is an oily liquid with an amber color and an odor of sulfur. Used as an agricultural insecticide. (EPA, 1998) |
|---|---|
| Color/Form | Amber, oily liquid ... |
| Odor | Technical grade demeton has a pronounced mercaptan-like odor |
| Boiling Point | 273 °F at 2 mmHg (EPA, 1998) |
| Melting Point | -13 °F (EPA, 1998) |
| Flash Point | 113 °F solution in combustible solvent (EPA, 1998) |
| Solubility | 0.01 % (NIOSH, 2023) |
| Density | 1.183 (EPA, 1998) - Denser than water; will sink |
| Vapor Density | Heavier than air (EPA, 1998) (Relative to Air) |
| Vapor Pressure | 0.00026 mmHg (EPA, 1998) |
| Stability/Shelf Life | DECOMP @ ELEVATED TEMP IN AIR |
| Autoignition Temperature | 867 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits toxic fumes of /phosphorous and sulfur oxides/. |
| Corrosivity | Noncorrosive |
| Refractive Index | Index of refraction: 1.4875 at 20 °C/D |
| Kovats Retention Index | 1669 1687 1697 1703.3 |
| Other Experimental Properties | DENSE, OILY, BROWN LIQUID WITH PUNGENT, UNPLEASANT SMELL /COMMERCIAL GRADE/ |
| 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 |
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. P310:Immediately call a POISON CENTER or doctor/physician. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P350:IF ON SKIN: Gently wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 516.7 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 18 |
| Exact Mass | 516.10264762 g/mol |
| Monoisotopic Mass | 516.10264762 g/mol |
| Topological Polar Surface Area | 171 Ų |
| Heavy Atom Count | 28 |
| Formal Charge | 0 |
| Complexity | 336 |
| 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 | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Demeton is an oily liquid with an amber color and an odor of sulfur. Used as an agricultural insecticide. (EPA, 1998)