CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Mercaptodimethur is a white crystalline powder with a mild odor. Used as an insecticide and immobilizing agent for birds, acaricide and molluscicide. (EPA, 1998) |
|---|---|
| Color/Form | Colorless crystals |
| Odor | Phenol-like odor |
| Boiling Point | Very high. (USCG, 1999) |
| Melting Point | 243 °F (EPA, 1998) |
| Solubility | 200 g/l in dichloromethane; 53 g/l in isopropanol; 33 g/l in toluene; 1.3 g/l in hexane |
| Density | greater than 1 (USCG, 1999) |
| Vapor Pressure | 0.0001 mmHg (EPA, 1998) |
| LogP | log Kow = 2.92 |
| Henry's Law Constant | Henry's Law constant = 1.18X10-9 atm-cu m/mol @ 20 °C |
| Stability/Shelf Life | UNSTABLE IN HIGHLY ALKALINE MEDIA |
| Decomposition | When heated to decomposition it emits very toxic fumes of /nitrogen oxides & sulfur oxides/. |
| Corrosivity | Non-corrosive |
| Ionization Efficiency | Positive |
| Kovats Retention Index | 1915 1913.9 1906.2 1923.9 1906.2 1911.5 1904.6 1910 |
| Other Experimental Properties | MAY BE RECRYSTALLIZED FROM BENZENE OR XYLENE |
| Chemical Classes | Pesticides -> Carbamate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H300:Acute toxicity,oral H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 225.31 g/mol |
|---|---|
| XLogP3 | 2.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 225.08234989 g/mol |
| Monoisotopic Mass | 225.08234989 g/mol |
| Topological Polar Surface Area | 63.6 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 211 |
| 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
Mercaptodimethur is a white crystalline powder with a mild odor. Used as an insecticide and immobilizing agent for birds, acaricide and molluscicide. (EPA, 1998)