2-chloro-5-chloromethyl pyridine

samfur

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:

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Rukunin da ke da alaƙa: Masu tsaka-tsaki - tsaka-tsakin magungunan kashe qwari; Matsakaicin magunguna; Kayan sinadarai na halitta da tsaka-tsaki;


Cikakken Bayani

Tags samfurin

Physicochemical dukiya

Matsayin narkewa: 37-42 ° C (lit.) Wurin tafasa: 267.08 ° C (ƙididdigar ƙima) Ƙarfafawa: 1.4411 (ƙididdigar ƙima) Ƙididdigar ƙididdigewa: 1.6000 (ƙididdigar) Wurin walƙiya:> 230 °F Solubility: Soluble a DMSO (a) kadan), methanol (kadan), maras narkewa a cikin ruwa. Hali: beige crystal. Matsakaicin acidity (pKa) -0.75± 0.10 (An annabta)

Fihirisar ƙayyadaddun bayanai

ƙayyadaddun bayanai naúrar misali
Bayyanar   Mara launi zuwa lu'ulu'u na beige
Babban abun ciki % ≥98.0%
Danshi % ≤0.5

 

Aikace-aikacen samfur

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.

samarwa

Akwai hanyoyi da yawa na kira na 2-chloro-5-chloromethyl pyridine. A halin yanzu, ana amfani da 2-chloro-5-methylpyridine azaman albarkatun ƙasa a cikin masana'antar, wato, 2-chloro-5-methylpyridine ana chlorinated ta 2-chloro-5-methylpyridine a gaban mai haɓaka 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 samuwar zoben pyridine bayan kammala chloromethylation. Wata hanyar da Kamfanin Rayleigh na Amurka ya haɓaka (ReillyIndustriesInc.) yana ɗaukar cyclopentadiene da propanal azaman fara albarkatun ƙasa don cyclosynthesize 2-chloro-5-chloromethyl pyridine kai tsaye, kuma tsarkin samfurin ya kai 95%, ba tare da isomer 2 ba. chloro-3-chloromethyl pyridine.

Ƙayyadaddun bayanai da ajiya

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 da oxidants don sufuri da ajiya.


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