2-chloro-5-chloromethyl pyridine
Bayanan asali:
Sunan sinadarai: 2-chloro-5-chloromethyl pyridine
Lambar CAS: 70258-18-3
Tsarin kwayoyin halitta: C6H5Cl2N
Nauyin Kwayoyin: 162.02
Lambar EINECS: 615-091-8
Tsarin tsari:
Rukunin da ke da alaƙa: Masu tsaka-tsaki - tsaka-tsakin magungunan kashe qwari; Matsakaicin magunguna; Kayan sinadarai na halitta da tsaka-tsaki;
Matsayin narkewa: 37-42 ° C (lit.) Wurin tafasa: 267.08 ° C (ƙididdigar ƙima) Ƙarfafawa: 1.4411 (ƙananan ƙididdiga) Ƙididdigar ƙididdigewa: 1.6000 (ƙididdigar) Fitilar walƙiya:> 230 °F Solubility: Soluble a DMSO (dan kadan), ruwa. Hali: beige crystal. Matsakaicin acidity (pKa) -0.75± 0.10 (An annabta)
| ƙayyadaddun bayanai | naúrar | misali |
| Bayyanar | Mara launi zuwa lu'ulu'u na beige | |
| Babban abun ciki | % | ≥98.0% |
| Danshi | % | ≤0.5 |
2-chloro-5-chloromethyl pyridine (CCMP) wani matsakaicin magunguna ne mai mahimmanci kuma mai mahimmanci ga haɗin gwiwar magungunan kashe qwari na pyridine kamar imidacloprid, acetamiprid, fluazinam, da dai sauransu.
Akwai hanyoyi da yawa na kira na 2-chloro-5-chloromethyl pyridine. A halin yanzu, ana amfani da 2-chloro-5-methylpyridine a matsayin albarkatun kasa a cikin masana'antu, wato, 2-chloro-5-methylpyridine an chlorinated ta 2-chloro-5-methylpyridine a gaban mai kara kuzari don samun 2-chloro-5-chloromethyl pyridine. An ƙara 2-chloro-5-methylpyridine da sauran ƙarfi a cikin tukunyar chlorination, an ƙara mai kara kuzari, kuma an allurar iskar chlorine a cikin abin da ke faruwa a ƙarƙashin yanayin reflux. Bayan abin da ya faru, an narkar da matsa lamba na farko na yanayi, sa'an nan kuma an cire tsohon juzu'i ta hanyar vacuum a cikin kettle distillation, kuma an samo 2-chloro-5-methylpyridine daga kasan kettle. Baya ga , akwai hanyoyi daban-daban na amfani da niacin a matsayin albarkatun kasa, 3-methylpyridine a matsayin albarkatun kasa, 2-chloro-5-trichloromethyl pyridine a matsayin albarkatun kasa. Alamar gama gari na waɗannan hanyoyin shine ƙirƙirar zoben pyridine wanda ya biyo bayan kammala chloromethylation. Wata hanyar da Kamfanin Rayleigh na Amurka ya ɓullo (ReillyIndustriesInc.) yana ɗaukar cyclopentadiene da propanal azaman fara albarkatun ƙasa zuwa cyclosynthesize 2-chloro-5-chloromethyl pyridine kai tsaye, kuma tsarkin samfurin ya kai 95%, ba tare da isomer 2-chloro-3-chloromethyl pyridine ba.
25Kg/ganga; Shiryawa bisa ga bukatun abokin ciniki.
Ya kamata a adana wannan samfurin a cikin akwati da aka rufe kuma a ajiye shi a wuri mai sanyi da bushe yayin ajiya da sufuri. Kada ku haɗu tare da oxidants don sufuri da ajiya.
