CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | White solid; [Merck Index] Off-white odorless solid; [HSDB] |
|---|---|
| Color/Form | Off-white solid |
| Odor | Odorless |
| Melting Point | 186 °C |
| Solubility | In water, 2.24X10+3 mg/L at 25 °C |
| Density | 1.580 g/cu cm |
| Vapor Pressure | 1.28X10-10 mm Hg at 25 °C |
| LogP | log Kow = -1.56 |
| Stability/Shelf Life | Aqueous hydrolysis DT50 4-6 days (pH 5), 180 days (pH 7), 90 days (pH 9). |
| Dissociation Constants | pKa = 4.0 at 25 °C |
| Chemical Classes | Pesticides -> Herbicides, Sulfonylurea |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P391:Collect spillage. Hazardous to the aquatic environment P501:Dispose of contents/container to..… |
COMPUTED DESCRIPTORS
| Molecular Weight | 387.4 g/mol |
|---|---|
| XLogP3 | 1.6 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 10 |
| Rotatable Bond Count | 6 |
| Exact Mass | 387.03072550 g/mol |
| Monoisotopic Mass | 387.03072550 g/mol |
| Topological Polar Surface Area | 186 Ų |
| Heavy Atom Count | 25 |
| Formal Charge | 0 |
| Complexity | 597 |
| 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
Thifensulfuron-methyl is a methyl ester resulting from the formal condensation of the carboxy group of thifensulfuron with methanol. It is used as a post-emergence herbicide for the control of grass and broad-leaved weeds. It has a role as an environmental contaminant, a xenobiotic, a herbicide and an agrochemical. It is a N-sulfonylurea, a member of thiophenes, a member of 1,3,5-triazines and a methyl ester. It is functionally related to a thifensulfuron.