Chlorempentrinwani sabon nau'in maganin kwari ne na pyrethroid tare da babban inganci da ƙarancin guba, wanda ke da tasiri mai kyau akan sauro, kwari da kyankyasai.Yana da babban matsa lamba mai ƙarfi, ƙaƙƙarfan rashin ƙarfi da ƙarfin kashewa. Zai iya rushe kwari da sauri, musamman lokacin fesa ko fumigated, tasirin bugun ya fi mahimmanci.
Shiri
Hanyar shiri na babban inganciChlorempentrinraw foda ya kasu kashi uku matakai a jere:
A cikin wani jirgin ruwa dauki sanye take da na'urar daukar hotan takardu don reflux, motsawa, faduwa ƙari, dumama da sanyaya, 200g dichloroethane da 200g na sodium acetylene aka kara. Bayan an motsa kuma a sanyaya zuwa 10℃, 30g na sodium hydroxide an ƙara sannu a hankali cikin kusan awa 1. Sa'an nan kuma zafin jiki ya tashi zuwa 50℃, kuma 100 g na valenal an jefar da shi don 2 hours. Bayan faduwa ƙari, ana kiyaye zafin jiki na sa'o'i 10, kuma an kammala aikin. Ƙara 100g na ruwa don hydrolysis, raba tsarin kwayoyin halitta, wanke acid da ruwa wanke tsarin kwayoyin halitta, bushe shi da sodium sulfate, da kuma narkar da shi don samun 120g na acetylene amyl barasa. Tushen tafasa: 140-160℃, abun ciki: 98%, yawan amfanin ƙasa: 94.8%.
(2)Narke 62g na acetylene amyl barasa daga mataki na baya a cikin 460g na toluene, ƙara 0.1g na triethylamine a matsayin mai kara kuzari, motsawa kuma kwantar da shi zuwa 5℃, sannan a sauke a cikin 116g na all-trans DV inulyl chloride na tsawon awanni 2. Bayan an gama ƙarawa, ajiye a 20℃don 6 hours kuma an gama amsawa. An wanke ruwan sau biyu, kuma an dawo da sauran ƙarfi ta hanyar rushewar ruwan dauki don samun danyen mai na chlorenyl pyrethroid. Yawan danyen mai ya kai gram 157, inda ya samu kashi 95%.
(3) Narkar da 100g na danyen Chlorempenthrin a cikin 200g na isopropanol, ƙara 0.1g na mai kara kuzari na triethylamine, sanyi zuwa 5.℃, motsawa da crystallize na tsawon sa'o'i 6, centrifuge da fitar da kayan, sa'an nan kuma bushe asalin foda don samun ingantaccen chlorenethrin raw foda.
Lokacin aikawa: Agusta-28-2025