環磺酮

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

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)

PARTITION COEFFICIENT

(n-octanol/water log Po/w):

pH 2: 2.16

pH 7: -1.09

pH 9 . -1.37