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Chlorotoluron |
| Molecular formula : |
C10H13CLN2O |
| MW : |
212.68
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| CAS : |
15545-48-9 |
melting point : |
143 ~ 145 ° C |
vapor pressure : |
4.80 µ Pa (20 ° C) |
LD50 (mg / kg) : |
acute oral above 10,000 , rats acute percutaneous above 20,000. The birds and fish and low toxicity, non-toxic to bees. Steelhead 40th (48) 30 mg / L, respectively. |
characters : |
the white odorless crystal. |
dissolved : |
Micro dissolve in water, soluble in acetone, benzene, methylene chloride and other organic solvents. |
purposes : |
selective uptake and distribution type of herbicide, a low toxicity, efficient, broad-spectrum herbicides in wheat fields. For control A.aequalis wind Agrostis stolonifera, Digitaria sanguinalis, ryegrass, bluegrass, weed, wild oat grass weeds and bindweed, Chenopodium album, smartweed, amaranth and other broad-leaved weeds, but right field bindweed and asked Jing, malva weeds such as invalid. Soil persistence in 70 days. As uneven application will cause phytotoxicity, 20 days after the resumption of normal growth. In the South turned the fields with herbicide butachlor Dan or mix. Control A.aequalis annual grassy and certain broadleaf weeds. As per mu 25% wettable powder 150g plus 60% Butachlor EC 50ml, after sowing seedlings before spray; , Or a 50% kill Caodan EC 150ml, after sowing wheat seedlings before the uniform spray water on the soil surface. Soil moisture will be fully play pharmacodynamics. |
produced or Source : |
nitrotoluene melt right to use chlorine after chlorination, generating 3-chloro-4-nitro, ferric chloride as a catalyst, the reaction temperature from 70 to 80 ° C; Then iron or reduction of sodium sulfide, or in nickel - alumina catalyst in the presence of hydrogenation , to give 3-chloro-4 dimethylaniline, hydrogenation temperature of 100 ~ 160 ° C, pressures from 30 40kg/cm2; 3-chloro-4-methyl-aniline toluene solution in -10 ° C ~ 5-income phosgene, a reaction time was 1.5 hours |
Note : |
Vinca long. Rape, broad beans, peas, safflower, alfalfa and other chloro Mailongmin flu, is not easy to use. |
packaging and transportation : |
25% wettable powder in a plastic bag lined with nylon sacks loaded, the train 1kg each, each pouring in 10 pouch weighing 10kg; Or 40kg, 50kg. Store in dry, dark and well-ventilated warehouse; Transportation and storage due to the specialized warehouses and wagon, not food and daily necessities with transport and storage. |
categories : |
herbicide |
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