tefuryltrione
- русский язык имя
- английское имяtefuryltrione
- CAS №473278-76-1
- CBNumberCB43052042
- ФормулаC20H23ClO7S
- мольный вес442.91
- EINECS695-022-6
- файл Mol473278-76-1.mol
химическое свойство
Температура плавления | approximate 118℃ (dec.) |
Температура кипения | 685.7±55.0 °C(Predicted) |
плотность | 1.362±0.06 g/cm3(Predicted) |
давление пара | 0-0Pa at 20-25℃ |
форма | Solid:particulate/powder |
пка | 3.20±0.50(Predicted) |
InChI | InChI=1S/C20H23ClO7S/c1-29(25,26)17-8-7-13(20(24)18-15(22)5-2-6-16(18)23)19(21)14(17)11-27-10-12-4-3-9-28-12/h7-8,12,18H,2-6,9-11H2,1H3 |
ИнЧИКей | UFAPVJDEYHLLBG-UHFFFAOYSA-N |
SMILES | C1(=O)CCCC(=O)C1C(=O)C1=CC=C(S(C)(=O)=O)C(COCC2CCCO2)=C1Cl |
LogP | -3.9-1.9 at 25℃ and pH2-9 |
Surface tension | 67.9mN/m at 194mg/L and 20℃ |
Dissociation constant | 3.2 at 20℃ |
FDA UNII | 31009O776L |
рисовальное письмо(GHS)
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рисовальное письмо(GHS)
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сигнальный язык
опасность
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вредная бумага
H372:Поражает органы в результате многократного или продолжительного воздействия.
H411:Токсично для водных организмов с долгосрочными последствиями.
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оператор предупредительных мер
P260:Не вдыхать газ/ пары/ пыль/ аэрозоли/ дым/ туман.
P264:После работы тщательно вымыть кожу.
P270:При использовании продукции не курить, не пить, не принимать пищу.
P314:В случае плохого самочувствия обратиться к врачу.
P501:Удалить содержимое/ контейнер на утвержденных станциях утилизации отходов.
tefuryltrione химические свойства, назначение, производство
Описание
Tefuryltrione (TFT) is a b-triketone herbicide that causes weed whitening and death by inhibiting HPPD (hydroxyphenylpyruvate dioxygenase) activity. It is the first registered herbicide for rice farming. Triketone herbicides, including TFT, are becoming popular, replacing sulfonylurea herbicides because of their herbicidal activity against resistant weeds. In Japan, TFT was registered in 2007 and has been increasingly used in rice farming since then. TFT was also registered in 2015 in Korea. TFT is included in 21 commercial pesticide products, all of which are primarily used in rice farming. Of these 21 products, 3 contain TFT as the single active ingredient. The 18 products are multi-component mixtures containing TFT and other active ingredients: 6 products contain oxaziclomefone, 3 contain pyraclonil, 3 contain pyraclonil and metazosulfuron, 3 contain fentrazamide, and 3 contain mefenacet[1].Экологическая судьба
Tembotrione and tefuryltrione have been increasingly used in rice farming. In surface water and groundwater, such herbicides were detected frequently due to excessive and frequent use. It is worth noting that sulcotrione, tembotrione, and tefuryltrione are easily transformed into xanthenediones that are more toxic than the parent compounds. Tefuryltrione was frequently detected in surface water in rice fields at concentrations up to 1.9 μg L?1 [1]. Residues of triketone herbicides and metabolites in water could potentially affect non-target organisms, such as reducing the nonspecific esterase activity of Tetrahymena pyriformis and the metabolic activity of vibrio fischeri.tefuryltrione запасные части и сырье
tefuryltrione поставщик
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