O-nitrophenol
Tsarin tsari
Sunan Chemical: O-nitrophenol
Sauran Sunaye: 2-nitrophenol, O-hydroxynitrobenzene
Saukewa: C6H5NO3
Nauyin kwayoyin halitta: 139
Lambar CAS: 88-75-5
Saukewa: 201-857-5
Lambar sufuri na kayayyaki masu haɗari: UN 1663
Ƙayyadaddun bayanai
1. Bayyanar: Haske rawaya crystal foda
2. Matsayin narkewa: 43-47 ℃
3. Solubility: mai narkewa a cikin ethanol, ether, benzene, carbon disulfide, caustic soda da ruwan zafi, dan kadan mai narkewa a cikin ruwan sanyi, maras kyau tare da tururi.
Hanyar Magana
1.Hydrolysis Hanyar: o-nitrochlorobenzene ne hydrolyzed da acidified da sodium hydroxide bayani.Ƙara 1850-1950 l na 76-80 g / L sodium hydroxide bayani a cikin tukunyar hydrolysis, sa'an nan kuma ƙara 250 kg na fused o-nitrochlorobenzene.Lokacin da aka yi zafi zuwa 140-150 ℃ kuma matsa lamba yana kusan 0.45MPa, ajiye shi don 2.5h, sa'an nan kuma tada shi zuwa 153-155 ℃ kuma matsa lamba kusan 0.53mpa, kuma ajiye shi don 3h.Bayan dauki, an sanyaya zuwa 60 ℃.A zuba ruwa 1000L da 60L concentrated sulfuric acid a cikin crystallizer a gaba, sannan a danna hydrolyzate da aka ambata a sama, sannan a zuba sulfuric acid a hankali har sai takardar gwajin jajayen Kongo ta zama purple, sannan a zuba kankara don yin sanyi zuwa 30 ℃, motsawa, tace, girgiza. kashe uwar barasa tare da centrifuge don samun 210kg o-nitrophenol tare da abun ciki na kusan 90%.Yawan amfanin gona shine kusan 90%.Wata hanyar shiri ita ce nitration na phenol a cikin cakuda o-nitrophenol da p-nitrophenol, sannan distillation na o-nitrophenol tare da tururin ruwa.An gudanar da nitrification a 15-23 ℃ kuma matsakaicin zafin jiki kada ya wuce 25 ℃.
2.Phenol nitration.Phenol yana nitrated da nitric acid don samar da cakuda o-nitrophenol da p-nitrophenol, sa'an nan kuma rabu da tururi distillation.
Aikace-aikace
Ana iya amfani da shi azaman tsaka-tsaki na ƙwayoyin halitta kamar magani, rini, mataimaki na roba da kayan ɗaukar hoto.Hakanan za'a iya amfani dashi azaman alamar pH monochromatic.
Hanyar ajiya
Shagon da aka rufe a cikin ɗakin ajiya mai sanyi da iska.Ka nisantar da wuta da tushen zafi.Ya kamata a adana shi daban daga oxidant, reductant, alkali da sinadarai masu cin abinci, sannan a nisanci gaurayawan ajiya.An karɓi hasken fashewar abubuwan fashewa da wuraren samun iska.An haramta amfani da kayan aikin injiniya da kayan aiki masu sauƙi don samar da tartsatsi.Wurin ajiya ya kamata a sanye shi da kayan da suka dace don ɗaukar ɗigogi, nesa da tushen zafi, walƙiya da harshen wuta da wuraren fashewa.
Hankali
Rufewar aiki don samar da isassun shaye-shaye na gida.Dole ne masu aiki su kasance masu horarwa na musamman kuma su bi tsarin aiki sosai.An ba da shawarar cewa masu aiki su sa abin rufe fuska na nau'in tacewa mai sarrafa kansa, gilashin aminci na sinadarai, kayan aikin hana guba da kuma safar hannu na roba.Ka nisantar da wuta da tushen zafi.Babu shan taba a wurin aiki.Yi amfani da tsarin iska da kayan aiki masu hana fashewa.Ka guji kura.Kauce wa lamba tare da oxidant, rage wakili da alkali.Lokacin ɗauka, yakamata a loda shi kuma a sauke shi da sauƙi don hana fakitin da kwandon lalacewa.Dole ne a samar da kayan yaƙin kashe gobara na madaidaicin iri-iri da yawa da kayan aikin jinya na gaggawa.Kwantena mara komai na iya ƙunsar abubuwa masu cutarwa.
