CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Tribenuron-methyl appears as colorless crystals. Non corrosive. Used as an herbicide. |
|---|---|
| Color/Form | Off-white powder |
| Odor | Slightly pungent odor |
| Melting Point | 141 °C |
| Solubility | Low solubility in organic solvents |
| Density | 1.46 at 20 °C |
| Vapor Pressure | 3.9X10-10 mm Hg at 25 °C |
| LogP | log Kow = 0.78 at pH 7 and 25 °C |
| Henry's Law Constant | Henry's Law constant = 1.02X10-13 atm-cu m/mol at 25 °C |
| Stability/Shelf Life | No significant photolysis occurs over the pH range 5-9 at 25 °C. |
| Dissociation Constants | pKa = 4.7 |
| Other Experimental Properties | /This herbicide belongs to the/ sulfonylurea family. |
| Chemical Classes | Pesticides -> Herbicides, Sulfonylurea |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P272:Contaminated work clothing should not be allowed out of the workplace. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 395.4 g/mol |
|---|---|
| XLogP3 | 1.2 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 6 |
| Exact Mass | 395.08995445 g/mol |
| Monoisotopic Mass | 395.08995445 g/mol |
| Topological Polar Surface Area | 149 Ų |
| Heavy Atom Count | 27 |
| Formal Charge | 0 |
| Complexity | 639 |
| 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
Tribenuron-methyl appears as colorless crystals. Non corrosive. Used as an herbicide.