Name | Difenoxuron |
Synonyms | c3470 pinoran lironion Difenoxuron difenoxuron (bsi,iso) DIFENOXURON PESTANAL (1,1-DIMETHYL- 3-(4 1,1-dimethyl-3-(p-(p-methoxyphenoxy)phenyl)-ure n-(4-(4-methoxyphenoxy)phenyl)-n,n-dimethylurea N'-[4-(4-Methoxyphenoxy)phenyl]-N,N-dimethylurea |
CAS | 14214-32-5 |
EINECS | 238-068-0 |
Molecular Formula | C16H18N2O3 |
Molar Mass | 286.33 |
Density | 1.1190 (rough estimate) |
Melting Point | 138.5°C |
Boling Point | 428.69°C (rough estimate) |
Water Solubility | 20mg/L(20 ºC) |
Appearance | neat |
BRN | 5574828 |
pKa | 14.47±0.70(Predicted) |
Storage Condition | 0-6°C |
Refractive Index | 1.6320 (estimate) |
Physical and Chemical Properties | White crystal. Melting point 138-139 ℃. The solubility of 20 ℃ in water is 20mg/L, 63g/L in acetone, 8g/L in benzene and 156g/L in dichloromethane. |
Hazard Symbols | Xn - Harmful |
Risk Codes | 22 - Harmful if swallowed |
WGK Germany | 3 |
RTECS | YT0180000 |
HS Code | 29242990 |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
Use | This product is a selective herbicide, which is mainly used for controlling weeds in onion fields. Mice were dosed with LD greater than 7750mg/kg. It is selective for onions, and can be used before or after Bud to control weeds such as Wild Oats |
production method | with 4-(4-methoxyphenoxy) aniline, phosgene, dimethylamine as raw materials. |
category | pesticide |
toxicity grade | poisoning |
Acute toxicity | oral-rat LD50: 1000 mg/kg |
flammability hazard characteristics | toxic NOx gases from combustion |
storage and transportation characteristics | The warehouse is ventilated and dried at low temperature; It is stored and transported separately from food raw materials |
extinguishing agent | dry powder, foam, sand |