Ophthalic Acid
Foromo ea Sebopeho
Lebitso: Ophthalic acid
Lebitso le leng: 2-methyl benzoic acid;O-toluene acid
Foromo ea molek'hule: C8H8O2
Boima ba molek'hule: 136.15
Sistimi ea Linomoro
Nomoro ea CAS: 118-90-1
EINECS: 204-284-9
HS khoutu: 29163900
Boitsebiso ba 'Mele
Ponahalo: likristale tse tšoeu tsa prismatic kapa likristale tsa nale.
Litaba:≥99.0% (chromatography ea metsi)
Sebaka se qhibilihang: 103°C
Sebaka se belang: 258-259°C(lit.)
Boima: 1.062 g/mL ho 25°C(lit.)
Lenane la refractive: 1.512
Sebaka sa Flash: 148°C
Solubility: E qhibiliha hanyane ka metsing, e qhibiliha habonolo ka har'a ethanol, ether le chloroform.
Mokhoa oa Tlhahiso
1. E fumanoa ka catalytic oxidation ea o-xylene.Ho sebelisa o-xylene e le thepa e tala le cobalt naphthenate e le sesosa, mocheso oa 120 ° C le khatello ea 0.245 MPa, o-xylene e tsoela pele ho kena ka tora ea oxidation bakeng sa oxidation ea moea, 'me mokelikeli oa oxidation o kena mohahong oa ho hlobolisa oa Chemicalbook. bakeng sa mahloriso, crystallization, le centrifugation.Fumana sehlahisoa se felileng.Joala ba 'm'e bo hloekisoa hore bo hlaphoheloe o-xylene le karolo ea o-toluic acid, ebe bo ntša masalla.Kotulo e ne e le 74%.Tone ka 'ngoe ea sehlahisoa e ja 1,300 kg ea o-xylene (95%).
2. Mokhoa oa ho itokisa ke hore o-xylene e tsoela pele ho oxidized ka moea ka pel'a cobalt naphthenate catalyst ka mocheso oa karabelo oa 120-125 ° C le khatello ea 196-392 kPa tora ea oxidation ho fumana se felile. sehlahisoa.
Tšebeliso ea Sehlahisoa
Lisebelisoa li sebelisoa haholo ha ho etsoa chefo e bolaeang likokonyana, meriana le lintho tse tala tsa lik'hemik'hale.Hajoale, ke eona ntho e ka sehloohong e tala bakeng sa tlhahiso ea meriana e bolaeang limela.E sebelisa o-methylbenzoic acid ke fungicide pyrrolidone, fenoxystrobin, trifloxystrobin le herbicide benzyl The intermediates of sulfuron-methyl e ka sebelisoa e le organic synthesis intermediates joalo ka chefo e bolaeang likokoanyana phosphoramide, perfume, vinyl chloride polymerization initiator MBPO, mohlahisi oa lifilimi joalo-joalo.
