Name | Pencycuron |
Synonyms | MONCEREN PENCYCURON Pencycuron -PENCYCURON BAY NTN 19701 MONCEREN (TM) 1-(p-chlorobenzyl)-1-cyclopentyl-3-phenylurea 1-(4-CHLOROBENZYL)-1-CYCLOPENTYL-3-PHENYLUREA [(Chlorophenyl)-methyl]-N-cyclopentyl-N'-phenylurea n-((4-chlorophenyl)methyl)-n-cyclopentyl-n'-phenyl-ure N-[(4-CHLOROPHENYL)METHYL]-N-CYCLOPENTYL-N'-PHENYLUREA |
CAS | 66063-05-6 |
EINECS | 266-096-3 |
InChI | InChI=1/C19H21ClN2O/c20-16-12-10-15(11-13-16)14-22(18-8-4-5-9-18)19(23)21-17-6-2-1-3-7-17/h1-3,6-7,10-13,18H,4-5,8-9,14H2,(H,21,23) |
Molecular Formula | C19H21ClN2O |
Molar Mass | 328.84 |
Density | 1.1257 (rough estimate) |
Melting Point | 130~135℃ |
Boling Point | 528.5±42.0 °C(Predicted) |
Flash Point | 273.4°C |
Water Solubility | 0.3 mg l-1 (20 °C) |
Solubility | Chloroform (Slightly), Methanol (Slightly, Sonicated) |
Vapor Presure | 5 x 10-10 Pa (20 °C) |
Appearance | neat |
Color | White to Off-White |
BRN | 2154416 |
pKa | 14.80±0.70(Predicted) |
Storage Condition | Sealed in dry,2-8°C |
Refractive Index | 1.5790 (estimate) |
Physical and Chemical Properties | Pure white crystals, m. P. 129.5 °c (125~132 °c), vapor pressure <10-8Pa (20 °c). Soluble in methylene chloride; Slightly soluble in toluene; Insoluble in water. The chemical properties are stable. The hydrolysis half-life is 280d at pH 4, 22 years at pH 7, and 17 years at pH 9. |
Use | Urea fungicides, no systemic, good treatment and sustained activity, against the disease caused by the fungus has a special role. For rice, wheat, potato, vegetables, ornamental plants. Such as control of rice sheath blight, with 25% wettable powder foliar spray, the dosage of 0.15~0.25/hm2. For the prevention and treatment of potato black nevus disease, with 1. 0.5/tuber seed dressing without bleaching powder. For the prevention and control of sanguis film leather bacteria, with 150 ~ 250g active ingredients/hm2 spray 2 times. |
UN IDs | UN3002 (liquid phenylurea) |
WGK Germany | 2 |
RTECS | YS6440000 |