CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Monuron appears as white crystalline solid or white powder with a slight odor. Melting point 175 °C. Moderately toxic by ingestion. Used as an herbicide. |
|---|---|
| Color/Form | WHITE PLATES FROM METHANOL |
| Odor | SLIGHT ODOR |
| Boiling Point | 365 to 392 °F at 760 mmHg (decomposes) (NTP, 1992) |
| Melting Point | 338.9 to 340.7 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 70.7 °F (NTP, 1992) |
| Density | 1.27 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 5e-07 mmHg at 77 °F ; 0.00178 mmHg at 212 °F (NTP, 1992) |
| Stability/Shelf Life | Negligible hydrolysis at room temp in neutral solutions. |
| Decomposition | When heated to decomposition it emits very toxic fumes of oxides of nitrogen and /hydrogen/ chloride ions. |
| Corrosivity | NON-CORROSIVE |
| pH | 6.26 SATURATED AQ SOLUTION |
| Kovats Retention Index | 1530.8 1535.2 |
| Other Experimental Properties | COMMERCIAL PRODUCT MELTS @ 176-177 °C |
| Chemical Classes | Pesticides -> Herbicides, Urea Derivative |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H351:Carcinogenicity H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. 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. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 198.65 g/mol |
|---|---|
| XLogP3 | 1.9 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 1 |
| Exact Mass | 198.0559907 g/mol |
| Monoisotopic Mass | 198.0559907 g/mol |
| Topological Polar Surface Area | 32.3 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 177 |
| 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
Monuron appears as white crystalline solid or white powder with a slight odor. Melting point 175 °C. Moderately toxic by ingestion. Used as an herbicide.