CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Propoxur is a white to tan crystalline powder with a faint, characteristic odor. Used as an insecticide. (NIOSH, 2022) |
|---|---|
| Color/Form | Minute crystals |
| Odor | Odorless |
| Boiling Point | Decomposes (NIOSH, 2023) |
| Melting Point | 187 to 197 °F (NIOSH, 2023) |
| Flash Point | greater than 300 °F (NIOSH, 2023) |
| Solubility | 0.2 % (NIOSH, 2023) |
| Density | 1.12 at 20 °C |
| Vapor Pressure | 7e-06 mmHg (NIOSH, 2023) |
| LogP | log Kow = 1.52 |
| Stability/Shelf Life | Hydrolized by strong alkali; 50% loss @ 20 °C in 40 min @ pH 10 |
| Decomposition | When heated to decomposition it emits toxic fumes of /nitrogen oxide/. |
| Ionization Efficiency | Positive |
| Collision Cross Section | 152.8 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated] |
| Kovats Retention Index | 1550 1564 1574 1581 1598 1578.1 1595.5 1560 1590.4 1585.1 1574.1 |
| Other Experimental Properties | Decomposes at high temperatures forming methyl isocyanate |
| Chemical Classes | Pesticides -> Carbamate Insecticides |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H311:Acute toxicity,dermal H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. 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. |
COMPUTED DESCRIPTORS
| Molecular Weight | 209.24 g/mol |
|---|---|
| XLogP3 | 1.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 4 |
| Exact Mass | 209.10519334 g/mol |
| Monoisotopic Mass | 209.10519334 g/mol |
| Topological Polar Surface Area | 47.6 Ų |
| Formal Charge | 0 |
| Complexity | 206 |
| 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
Propoxur is a white to tan crystalline powder with a faint, characteristic odor. Used as an insecticide. (NIOSH, 2022)