CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Diflubenzuron appears as colorless to yellow crystals. Used as a selective insecticide. |
|---|---|
| Color/Form | Colorless crystals |
| Boiling Point | BP: 257 °C at 300 mm Hg |
| Melting Point | 228 °C |
| Solubility | In water, 0.08 mg/L at 25 °C. pH 7 |
| Density | 1.57 at 20 °C |
| Vapor Pressure | 9X10-10 mm Hg at 25 °C /gas saturation method/ |
| LogP | log Kow = 3.89 |
| Stability/Shelf Life | Decomposition: < 0.5% after 1 day storage at 100 °C; < 0.5% after 7 days at 50 °C. The solid is stable to sunlight. Decomposition at 20 °C in aqueous solution after 21 days in the dark is: 4% at pH 5.8, 8% at pH 7, 26% at pH 9. |
| Decomposition | When heated to decomp it emits very toxic fumes of NOx and Cl-. |
| Corrosivity | Non-corrosive |
| Collision Cross Section | 160.98 Ų [M+H]+ [CCS Type: TW] |
| Other Experimental Properties | Decomposes on distillation |
| Chemical Classes | Pesticides -> Other Insecticides |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H312:Acute toxicity,dermal H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
COMPUTED DESCRIPTORS
| Molecular Weight | 310.68 g/mol |
|---|---|
| XLogP3 | 3.9 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 310.0320616 g/mol |
| Monoisotopic Mass | 310.0320616 g/mol |
| Topological Polar Surface Area | 58.2 Ų |
| Heavy Atom Count | 21 |
| Formal Charge | 0 |
| Complexity | 379 |
| 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
Diflubenzuron appears as colorless to yellow crystals. Used as a selective insecticide.