O-nitrophenol
Foromo ea sebopeho
Lebitso la lik'hemik'hale: O-nitrophenol
Mabitso a Mang: 2-nitrophenol, O-hydroxynitrobenzene
Mokhoa: C6H5NO3
Boima ba molek'hule: 139
CAS No.: 88-75-5
EINECS: 201-857-5
Nomoro ea lipalangoang tsa thepa e kotsi: UN 1663
Litlhaloso
1. Ponahalo: Phofo e khanyang ea kristale e mosehla
2. Sebaka se qhibilihang: 43-47℃
3. Ho qhibiliha: ho qhibiliha ka har'a ethanol, ether, benzene, carbon disulfide, caustic soda le metsi a chesang, ho qhibiliha hanyenyane metsing a batang, ho fetoha ha mouoane.
Mokhoa oa ho Kopanya
Mokhoa oa 1.Hydrolysis: o-nitrochlorobenzene ke hydrolyzed le acidified ke sodium hydroxide solution.Kenya 1850-1950 l ea 76-80 g / L tharollo ea sodium hydroxide ka pitseng ea hydrolysis, ebe u eketsa 250 kg ea o-nitrochlorobenzene e kopantsoeng.Ha e futhumetse ho 140-150 ℃ 'me khatello e ka bang 0.45MPa, e boloke bakeng sa 2.5h, ebe e phahamisa ho 153-155 ℃' me khatello e ka bang 0.53mpa, 'me u e boloke bakeng sa 3h.Ka mor'a karabelo, e pholile ho 60 ℃.Kenya metsi a 1000L le 60L concentrated sulfuric acid ka har'a crystallizer esale pele, ebe o tobetsa hydrolyzate e boletsoeng ka holimo, 'me butle-butle eketsa sulfuric acid ho fihlela pampiri e khubelu ea Congo e fetoha pherese, ebe u eketsa leqhoa ho pholile ho 30 ℃, hlohlelletsa, sefa, 'me u sisinyehe. Tlosa joala ba 'm'e ka centrifuge ho fumana 210kg o-nitrophenol e nang le litaba tse ka bang 90%.Kotulo e ka bang 90%.Mokhoa o mong oa ho itokisa ke naetration ea phenol motsoako oa o-nitrophenol le p-nitrophenol, 'me ka mor'a moo ho tšeloa o-nitrophenol ka mouoane oa metsi.Nitrification e etsoa ka 15-23 ℃ mme mocheso o phahameng ha oa lokela ho feta 25 ℃.
2.Phenol nitration.Phenol e natefisoa ke asiti ea nitric ho etsa motsoako oa o-nitrophenol le p-nitrophenol, ebe e arohanngoa ke mouoane.
Kopo
E ka sebelisoa e le karolo e bohareng ea motsoako oa manyolo joalo ka meriana, dyestuff, mothusi oa rabara le lisebelisoa tsa lifoto.E ka boela ea sebelisoa e le sesupo sa pH sa monochromatic.
Mokhoa oa ho boloka
Lebenkele le tiisitsoeng sebakeng sa polokelo se pholileng le se nang le moea o pholileng.Qoba hole le mollo le mohloli oa mocheso.E lokela ho bolokoa ka thoko ho oxidant, reductant, alkali le lik'hemik'hale tse jeoang, 'me polokelo e tsoakiloeng e lokela ho qojoa.Ho amoheloa mabone a bopaki ba ho phatloha le lisebelisoa tsa moea oa moea.Ho thibetsoe ho sebelisa lisebelisoa tsa mechine le lisebelisoa tse bonolo ho hlahisa litlhase.Sebaka sa polokelo se lokela ho hlomelloa ka lisebelisoa tse loketseng ho thibela ho lutla, hole le mohloli oa mocheso, tlhase le lelakabe le tukang le libaka tse phatlohang.
Tlhokomelo
Ts'ebetso e koetsoeng ho fana ka mosi o lekaneng oa lehae.Basebelisi ba tlameha ho koetlisoa ka ho khetheha 'me ba latele mekhoa ea ts'ebetso ka tieo.Ho khothaletsoa hore basebetsi ba roale maske a lerōle a mofuta oa filthara, likhalase tsa tšireletso tsa lik'hemik'hale, liaparo tsa ho sebetsa tse thibelang chefo le liatlana tsa rabara.Qoba hole le mollo le mohloli oa mocheso.Ha ho tsube mosebetsing.Sebelisa tsamaiso le lisebelisoa tsa moea tse thibelang ho phatloha.Qoba lerole.Qoba ho kopana le oxidant, e fokotsang le alkali.Ha e jara, e lokela ho laeloa le ho laolloa habobebe ho thibela sephutheloana le setshelo hore li se ke tsa senyeha.Ho tla fanoa ka lisebelisoa tsa ho tima mollo tsa mefuta e fapaneng, bongata le lisebelisoa tsa kalafo ea tšohanyetso tse lutlang.Lijana tse se nang letho li ka ba le lintho tse kotsi.
