2-Chloro-4-nitrobenzoic acid CAS 99-60-5 Nale e tšoeu kapa e mosehla e mosehla kapa kristale ea phofo. Ntho e qhibilihisang 142-143 ° C (139-141 ° C). E qhibiliha ka metsing a chesang, joala le benzene e chesang.
Believe Chemical ke moetsi ea ka sehloohong oa China 2-Chloro-4-nitrobenzoic acid CAS 99-60-5 moetsi, mofani oa thepa le kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore 2-Chloro-4-nitrobenzoic acid CAS 99-60-5 ea rona e khotsofatsoe ke bareki ba bangata. Shandong Dumela
Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, 'me ho itšetlehile ka khopolo ea khoebo ea popontshwa le ntshetsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!
Lebitso la Sehlahiswa |
2-Chloro-4-nitrobenzoic acid |
||
Foromo |
C7H4ClNO4 |
Boima ba Molek'hule |
201.56 |
CAS NO. |
99-60-5 |
Bongata |
500KG |
Lintho |
Tlhaloso |
Liphetho |
Ponahalo |
Bosehla bo kganyang ho isa botala bo kganyang |
E lumellana |
Tlhahlobo |
99% | 99.28% |
TS'ELISO |
Sephetho se lumellana le maemo |
Sebaka se qhibilihang ke 136-140°C (lit.)
Sebaka se belang 160.5°C (karolelano)
Density 1.5719(roughestimate)
Refractive index 1.6000 (khakanyo)
Maemo a polokeloSealedindry, RoomTemperature
MorphologyCrystallinePowder
Acidity coefficient (pKa)pK1:1.96(25°C)
ColourLightyellowtolightgreen
Ho qhibiliha ha metsi 1g/L(20ºC)
E fumanoa ka chlorination le oxidation ea p-nitrotoluene. Kenya p-nitrotoluene ka har'a mochini o omileng, ka mor'a ho futhumatsa le ho qhibiliha, eketsa terata ea tšepe le li-flakes tsa iodine, ka 58-62 â, tšela khase ea chlorine e lekanang, hlatsoa ka metsi a chesang, u fokotse ka sodium carbonate, 'me u tšollele ka har'a metsi. metsi a leqhoa, a hlohlelletsoa ho arola likristale, a tlhotliloeng ho tlosa metsi, 'me a omisitsoe moriting ho fumana 2-chloro-4-nitrotoluene. Ebe u eketsa makhetlo a 25 a 1-2% ea tharollo ea sodium hydroxide ho 2-chloro-4-nitrotoluene, mocheso ho pheha Chemicalbook, tlas'a ts'usumetso e matla, butle-butle eketsa potassium permanganate, boloka mocheso ho 100±1â , Kamora ho eketsa, tsoela pele ho hlohlelletsa, reflux bakeng sa 30min, tlohela ho pholile, 'me u tlose manganese dioxide. Filtrate e fetotsoe ho pH 1-2 ka hydrochloric acid, precipitate e ne e hlatsuoa ka metsi a leqhoa, e tlhotliloeng le ho omisoa ka 80 ° C ho fumana sehlahisoa. Ts'ebetso ea chlorination e ka boela ea etsoa ka pel'a ferric chloride, 'me e ntse e fetisa chlorine ho 58-62 ° C. Kakaretso ea lihlahisoa tsa chlorination le oxidation ke hoo e ka bang 70%.