Payment & Shipping Terms | Supply Capacity |
Payment Terms: | T/T, WU | Production Capacity: | 500T/year |
Min. Order: | 25KG | Packing: | according to the customer's requirements |
Means of Transport: | Ocean, Air, Land | Delivery Date: | 7 days |
Dimethoate
CAS 60-51-5
Pure product is white crystal, industrial product is light yellow solid or light yellow liquid with garlic odor. m. P.52-52.5 ℃, relative density 1.277 (20 ℃). Refractive index n65d1.5334 (65 ℃), volatility 0.107mg/m3. The vapor pressure is 1.13 × 10-3pa (25 ℃). At room temperature, the solubility is 80% methanol, 70% acetone, 70% dichloromethane, 65% chloroform, 65% cyclohexanone, 60% benzene, 40% toluene, 6.5% xylene, 2.0% carbon tetrachloride, 0.1% petroleum ether, and 2.9% in water. It is stable in the acid medium chemical book, easy to hydrolyze in the alkaline medium, k = 6.8min-1.mol-1 (25 ℃), and heavy metal ions (copper, manganese, iron) have catalytic hydrolysis. The hydrolysis rate T1 / 2 in aqueous solution is as follows: > 100D (pH 4,21 ℃), 120h (pH 7,20 ℃), 6.5h (pH 9,70 ℃), 1min (pH 13,21 ℃). In the storage period, it will decompose slowly, the decomposition speed is related to the purity and temperature, the purity is high, the temperature is low, the decomposition speed is slow, 40% emulsifiable oil is stored at room temperature for one year, the content drops about 5%. The thermal stability is poor and isomerization occurs during heating.
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