O-nitrophenol
Usoro nhazi
Aha Chemical: O-nitrophenol
Aha ndị ọzọ: 2-nitrophenol, O-hydroxynitrobenzene
Usoro: C6H5NO3
Arọ molikula: 139
Nọmba CAS: 88-75-5
EINECS: 201-857-5
Ọnụọgụ ụgbọ njem nke ngwa ahịa dị ize ndụ: UN 1663
Nkọwapụta
1. Ọdịdị: Light odo crystal ntụ ntụ
2. Ebe mgbaze: 43-47 ℃
3. Solubility: soluble na ethanol, ether, benzene, carbon disulfide, caustic soda na mmiri ọkụ, dị ntakịrị soluble na mmiri oyi, na-agbanwe agbanwe na uzuoku.
Usoro nchịkọta
1.Hydrolysis usoro: o-nitrochlorobenzene bụ hydrolyzed na acidified site sodium hydroxide ngwọta.Tinye 1850-1950 l nke 76-80 g / L sodium hydroxide ngwọta n'ime ite hydrolysis, wee tinye 250 n'arọ nke o-nitrochlorobenzene fused.Mgbe ọ na-ekpo ọkụ na 140-150 ℃ na nrụgide bụ banyere 0.45MPa, debe ya maka 2.5h, wee bulie ya na 153-155 ℃ na nrụgide bụ banyere 0.53mpa, ma debe ya maka 3h.Mgbe mmeghachi omume ahụ gasịrị, a jụrụ ya na 60 ℃.Tinye 1000L mmiri na 60L concentrated sulfuric acid n'ime crystallizer tupu oge eruo, wee pịa na hydrolyzate nke a kpọtụrụ aha n'elu, ma jiri nwayọọ nwayọọ tinye sulfuric acid ruo mgbe akwụkwọ nyocha uhie Congo na-acha odo odo, tinyezie ice ka ọ dị jụụ na 30 ℃, kpalie, nyochaa, ma maa jijiji. pụọ na nne mmanya na centrifuge iji nweta 210kg o-nitrophenol nwere ọdịnaya nke ihe dịka 90%.Mkpụrụ ahụ dị ihe dịka 90%.Usoro nkwadebe ọzọ bụ nitration nke phenol n'ime ngwakọta nke o-nitrophenol na p-nitrophenol, wee jiri vapo mmiri na-ekpochapụ o-nitrophenol.A na-eme nitrification na 15-23 ℃ na oke okpomọkụ ekwesịghị gafere 25 ℃.
2.Phenol nitration.A na-eme ka phenol nitrate site na nitric acid iji mepụta ngwakọta nke o-nitrophenol na p-nitrophenol, wee kewapụ ya site na ntugharị uzuoku.
Ngwa
Enwere ike iji ya dị ka etiti nke njikọ organic dị ka ọgwụ, dyestuff, enyemaka roba na ihe ndị na-ese foto.Enwere ike iji ya dị ka ihe ngosi pH monochromatic.
Usoro nchekwa
Ụlọ ahịa echekwara n'ụlọ nkwakọba ihe dị jụụ yana ikuku.Wepụ ọkụ na isi okpomọkụ.Ekwesịrị ịchekwa ya iche site na oxidant, reductant, alkali na kemịkalụ oriri, na nchekwa kwesịrị ekwesị ga-ezere.A na-anakwere ọkụ na-egosi mgbawa ọkụ na ikuku ikuku.Amachibidoro iji ngwa igwe na ngwaọrụ ndị dị mfe imepụta ọkụ.Ebe a na-echekwa ebe nchekwa kwesịrị ịbụ ihe ndị kwesịrị ekwesị iji nwee mmiri ozuzo, pụọ na ebe okpomọkụ, ọkụ na ọkụ na-ere ọkụ na ebe mgbawa.
Nlebara anya
Ọrụ emechiri emechi iji nye ikpochapụ mpaghara zuru oke.A ga-azụrịrị ndị na-arụ ọrụ nke ọma ma rube isi na usoro ọrụ.A na-atụ aro na ndị na-arụ ọrụ kwesịrị iyi ihe mkpuchi uzuzu nke onwe, enyo nchekwa kemịkalụ, uwe ọrụ mgbochi nsị na uwe roba.Wepụ ọkụ na isi okpomọkụ.Enweghị ise siga n'ebe ọrụ.Jiri sistemu ikuku ikuku na-egbochi mgbawa.Zere uzuzu.Zere kọntaktị na oxidant, mbenata ihe na alkali.Mgbe ị na-ebu ya, ekwesịrị ịkwanye ya ma budata ya obere ka ọ ghara imebi ngwugwu na akpa ahụ.A ga-enyerịrị ngwa ọgụ ọkụ nke ụdị dị iche iche kwekọrọ na ọnụọgụ yana ngwa ngwa ọgwụgwọ ihe mberede.Akpa efu nwere ike ịnwe ihe ndị na-emerụ ahụ.
