簡介
Tembotrione環磺酮,
Tembotrione環磺酮是由拜耳公司2007年研製的三酮類玉米田除草劑,其活性高於硝磺酮(硝磺草酮、甲基磺草酮),對作物安全。商品名稱為Laudis,IUPAC名稱為2-{2-chloro-4-mesyl-3-[(2,2,2-trifluoroethoxy)methyl]benzoyl}cyclohexane-1,3-dione
CAS No:335104-84-2
分子結構
環磺酮PESTICIDE TYPE: Herbicide
CHEMICAL CLASS: Triketone
US PRODUCER: Bayer CropScience LP
Tembotrione
PRODUCT CATEGORY
Foliar herbicide
MODE OF ACTION
Bleaching: Inhibition of 4-hydroxyphenyl-pyruvate-dioxygenase (4-HPPD)
CROP:Corn/Maize
Please follow the local approved product label before use. If you have any further questions please contact your local country organization of Bayer CropScience (find top right).
Registrations in (status 2009)
Austria, Brazil, Belgium, France, Germany, Netherlands, Hungary, Mexico, Serbia, USA and others
Weed Spectrum
Dicot specialist with additional control of key grass species
FORMULATION CATEGORIES
EC = Emulsifiable concentrate
OD = Oil based liquid formulation
SC = Suspension concentrate
TRADEMARK RIGHTS
� = registered trademark of the Bayer Group
MAIN FORMULATIONS
OD: Laudis (tembotrione 44 + isoxadifen 22 g/l)
SC : Laudis, Soberan (tembotrione 420 + isoxadifen210 g/l)
EC: Auxo, Hydris (tembotrione 50+ bromoxynil 262 + isoxadifen 25 g/l)
Be aware that some active ingredients are only available in product combinations.
CHEMICAL IDENTITYCOMMON NAME
Tembotrione
CHEMICAL NAME IUPAC
2-{2-chloro-4-(methylsulfonyl)-3-[(2,2,2-trifluoroethoxy) methyl]benzoyl} cyclohexane-1,3-dione
CAS INDEX NAME
1,3-cyclohexanedione, 2-[2-chloro-4-(methylsulfonyl)-3-[(2,2,2-trifluoroethoxy)methyl]benzoyl]- (9Cl)
STRUCTURAL FORMULA
MOLECULAR MASS
468.83
EMPIRICAL FORMULA
C17H16ClF3O6S
PHYSICO CHEMICAL PROPERTIES
VAPOUR PRESSURE
1.1 � 10-10hPa at 20癈
SOLUBILITY
Solubility (in g/L at 20癈)
| Water: | pH 4 0.22 pH 7 28.30 pH 9 29.69 |
| Ethanol: | 8.2 |
| Acetone: | 300 to 600 |
| Ethylacetate: | 180.2 |
| Toluene: | 75.7 |
| n-Hexane: | 0.0476 |
| Dichloromethane: | > 600 |
| Dimethylsulfoxide: | > 600 |
PARTITION COEFFICIENT
(n-octanol/water log Po/w):
pH 2: 2.16
pH 7: -1.09
pH 9 . -1.37
