除草剂

嗪草酮

中文通用名: 嗪草酮
用途类型: Herbicides > Triazinone herbicides
含量&类型: ≥95%原粉,25KG/纸板桶,50%、70% WP,75%DS
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CAS No.】: 21087-64-9

CAS】: 4-Amino-6-tert-butyl-3-(methylthio)-1,2,4-triazin-5(4H)-one

Molecular Formula】: C8H14N4OS

Molecular weight】:214.3;

Physical form】:White crystals, with a weak characteristic odour.

Density】:1.28 (20 °C); Melting point:126.2 °C;

Vapour pressure】:0.058 mPa (20 °C); Henry constant:1 ×10-5 Pa m3 mol-1 (20 °C, calc.);

Partition coefficient(n-octanol and water)】:logP = 1.6 ( pH 5.6, 20 °C);

Solubility】:In water 1.05 g/l (20 °C). In dimethylformamide 1780, cyclohexanone 1000, chloroform 850, acetone 820, methanol 450, dichloromethane 340, benzene 220, n-butanol 150, ethanol 190, toluene 87, xylene 90, isopropanol 77, hexane 1.0 (all in g/l, 20 °;

Stability】:Relatively stable to u.v. irradiation. At 20 °C, stable to dilute acids and alkalis; DT50 (37 °C) 6.7 h ( pH 1.2); DT50 (70 °C) 569 h ( pH 4), 47 d;
Toxicology】:Oral:Acute oral LD50 for rats c. 2000, mice c. 700, guinea pigs c. 250, cats >500 mg/ kg. Percutaneous:Acute percutaneous LD50 for rats >20 000 mg/kg. Not irritating to skin and eyes (rabbits). Inhalation: LC50 (4 h) for rats >0.65 mg/l air (dust). Phytotoxicity:Phytotoxic to many crops, including crucifers, cucurbits, lettuce, onions, sugar beet, sunflowers, flax, strawberries, sweet potatoes, and tobacco.

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