4-hydroxybenzene-1 3-dicarbonitrile (CAS# 34133-58-9)
Gabatarwa
Yana da kwayoyin halitta. Tsarin kwayoyin halittarsa shine C8H5NO2, tsarin tsari shine HO-C6H3(CN)2.
kauri ne mara launi mai kamshin phenol. Yana da babban wurin narkewa da wurin tafasa, mai narkewa a cikin abubuwan kaushi na halitta kamar ethers, alcohols da ketones, wanda ba a iya narkewa cikin ruwa.
Babban amfani da wannan fili shine a matsayin tsaka-tsaki mai mahimmanci a cikin haɗin kwayoyin halitta. Ana iya amfani da shi a cikin kira na novel polyesters don shirye-shiryen na gani, lantarki da kuma magunguna. Bugu da ƙari, ana iya amfani da shi azaman albarkatun ƙasa don mannewa da sutura masu aiki.
Hanyar shiri na tsari ya fi rikitarwa. Ɗaya daga cikin manyan hanyoyin shine amsawar p-phenolate sulfate tare da sodium cyanide a ƙarƙashin yanayin alkaline don samar da 4-hydroxy-2-phenylbenzonitrile, wanda aka samu ta hanyar acid-catalyzed decarboxylation.
Lokacin amfani da kulawa, kuna buƙatar kula da al'amuran aminci. Yana da wani tashin hankali, guje wa haɗuwa da fata da shakar numfashi. Ya kamata a sanya kayan kariya da suka dace, kamar safofin hannu na lab da kayan kariya na numfashi, yayin aiki. Bugu da ƙari, tuntuɓar ma'aikatan oxidizing da acid mai karfi ya kamata a kauce masa don kauce wa halayen haɗari. A lokacin ajiya, nisantar da wuta da wuraren zafi, kuma kiyaye kwandon a rufe don hana lalacewa da zubewa.
