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N-Isopropylhydroxylamine CAS: 5080-22-8
N-Isopropylhydroxylamine ke mokelikeli o se nang 'mala o nang le monko o matla oa ammonia.
- E qhibiliha ka har'a metsi le lihlapolli tse ngata tsa tlhaho, empa ha e qhibilihe ka har'a lihlapolli tse se nang polar.
- Ke nucleophile e nang le karabelo ea tlatsetso ho metsoako e kang esters, aldehydes, le ketones.
sebelisa:
- N-Isopropylhydroxylamine e sebelisoa haholo-holo ho organic synthesis reaction, haholo-holo e le reagent ea amination.
- E ka sebelisoa ho kopanya lihlahisoa tsa amination tsa aldehydes, ketones le esters, le ho nka karolo liketsong tse ling tsa cyclization.
- E ka boela ea sebelisoa e le reagent e fokotsang ho etsa karabelo ea phokotso ho organic synthesis.
Mokhoa oa ho itokisa:
- Mokhoa o tloaelehileng oa ho lokisa oa N-isopropylhydroxylamine ke ho etsa amidation reaction on isopropyl alcohol ho fumana N-isopropylisopropylamide, ebe o sebelisa khase ea ammonia ho sebetsa ho eona ho hlahisa N-isopropylhydroxylamine.
Lintlha tsa Tšireletso:
- N-Isopropylhydroxylamine ke ntho e senyang e ka bakang ho teneha le ho chesa ha e kopana le letlalo le mahlo.
- Apara liatlana tse sireletsang, likhalase le lisebelisoa tse ling tsa ho itšireletsa ha u sebelisa.
- Sebelisa sebakeng se nang le moea o motle 'me u qobe ho hema mouoane oa eona.
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2,6-Dimethylaniline CAS 87-62-7
2,6-Dimethylaniline ke mokelikeli o mosehla hanyenyane o nang le sekhahla se lekanyelitsoeng sa 0.973. Ha e qhibilihe ka metsing, e qhibiliha ka joala, ether, 'me e qhibiliha ka hydrochloric acid.
Litsela tsa synthesis tsa 2,6-dimethylaniline haholo-holo li kenyelletsa mokhoa oa 2,6-dimethylphenol aminolysis, mokhoa oa o-methylaniline alkylation, mokhoa oa aniline methylation, mokhoa oa m-xylene disulfonation nitration le mokhoa oa m-xylene disulfonation. Mokhoa oa ho fokotsa toluene nitration, joalo-joalo.
Sehlahisoa sena ke sebaka sa bohlokoa sa lipakeng bakeng sa tlhahiso ea chefo e bolaeang likokoanyana le meriana, hape se ka sebelisoa e le thepa e tala bakeng sa lihlahisoa tsa lik'hemik'hale tse kang dae. E tuka ke lelakabe le bulehileng; e sebetsana le li-oxidants; e bolisa mosi o chefo oa nitrogen oxide ka mocheso o phahameng.
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2,4-Dimethyl aniline CAS 95-68-1
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2,4-Dimethyl aniline CAS 95-68-1
Ke mokelikeli o mafura o se nang 'mala. Mmala o tebela leseding le moyeng. E qhibiliha hanyane ka metsing, e qhibiliha ka har'a motsoako oa ethanol, ether, benzene le asiti.
2,4-Dimethylaniline e fumanoa ka nitration ea m-xylene ho fumana 2,4-dimethylnitrobenzene le 2,6-dimethylnitrobenzene. Ka mor'a distillation, 2,4-dimethylnitrobenzene e fumanoa. Sehlahisoa se fumanoa ka catalytic hydrogenation phokotso ea benzene. E sebelisoa e le li-intermediates bakeng sa chefo e bolaeang likokoanyana, meriana le lidae.E tukang malakabeng a bulehileng; e sebetsa le li-oxidants; e bolisa mosi o chefo oa nitrogen oxide ka mocheso o phahameng. Nakong ea polokelo le lipalangoang, ntlo ea polokelo e lokela ho kenngoa moea le ho omisoa ka mocheso o tlase; e boloke ka thoko ho li-acids, li-oxidants, le metsoako ea lijo.
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1-(Dimethylamino)tetradecane CAS 112-75-4
1-(Dimethylamino)tetradecane CAS 112-75-4
Ponahalo ke mokelikeli o bonaletsang. Kahoo e phaphametse holim'a metsi. Ho kopana ho ka khopisa letlalo, mahlo le lera la mucous. E ka 'na ea e-ba chefo ka ho e noa, ho hema kapa ho monya letlalo.
E sebelisoa ho etsa lik'hemik'hale tse ling. 'Me haholo-holo e sebelisoa ka li-preservatives, li-preservatives, li-additives tsa mafura, li-bactericides, li-extractants tsa tšepe tse sa tloaelehang, li-pigment dispersants, li-mineral flotation agents, litlolo tse tala, joalo-joalo.
Maemo a polokelo: Boloka sebakeng se phodileng, se omileng, se lefifi ka har'a sets'oants'o se tiisitsoeng ka thata kapa silindara. Ipoloke hole le lisebelisoa tse sa lumellaneng, mehloli ea mollo le batho ba sa rutehang. Sireletsehile 'me u tšoaee sebaka. Sireletsa lijana / li-cylinders hore li se ke tsa senyeha 'meleng.
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Triethylamine CAS: 121-44-8
Triethylamine (formula ea molek'hule: C6H15N), e tsejoang hape e le N,N-diethylethylamine, ke amine e bonolo ka ho fetisisa ea homo-trisubstituted tertiary amine mme e na le litšobotsi tse tloaelehileng tsa li-amine tsa thuto e phahameng, ho kenyeletsoa sebopeho sa letsoai, oxidation, le triethyl Chemicalbook amine. Teko (Hisbergreaction) ha ho karabo. E bonahala e le mokelikeli o hlakileng o se nang 'mala ho isa ho o mosehla o khanyang o nang le monko o matla oa ammonia 'me o tsuba hanyenyane moeeng. E qhibiliha hanyane ka metsing, e qhibiliha ka har'a ethanol le ether. Tharollo ea metsi ke alkaline. E chefo ebile e khopisa haholo.
E ka fumanoa ka ho itšoara ka ethanol le ammonia boteng ba hydrogen ka har'a mochine o nang le mochine o nang le koporo-nickel-clay catalyst tlas'a maemo a ho futhumatsa (190 ± 2 ° C le 165 ± 2 ° C). Karabelo e tla boela e hlahise monoethylamine le diethylamine. Ka mor'a condensation, sehlahisoa se fafatsoa ka ethanol le ho kenngoa ho fumana triethylamine e tala. Qetellong, ka mor'a ho arohana, ho felloa ke metsi le ho arohana, triethylamine e hloekileng e fumanoa.
Triethylamine e ka sebelisoa e le mokelikeli le lisebelisoa tse tala indastering ea organic synthesis, hape e sebelisoa ho etsa meriana, chefo e bolaeang likokoanyana, li-polymerization inhibitors, libeso tse nang le matla a mangata, li-rubberizer, joalo-joalo.
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Chloroacetone CAS: 78-95-5
Chloroacetone CAS: 78-95-5
Ponahalo ea eona ke mokelikeli o se nang 'mala o monko o monate. E qhibiliha ka metsing, e qhibilihang ka har'a ethanol, ether le chloroform. E sebelisoa ho organic synthesis ho lokisa lithethefatsi, chefo e bolaeang likokoanyana, linoko le lidae, joalo-joalo.
Ho na le mekhoa e mengata ea ho kopanya chloroacetone. Mokhoa oa acetone chlorination hajoale ke mokhoa o ka sehloohong o sebelisoang tlhahisong ea malapeng. Chloroacetone e fumanoa ka ho hloekisa acetone ka pel'a calcium carbonate, e leng ntho e tlamang acid. Eketsa acetone le calcium carbonate ka har'a reactor ho ea ka tekanyo e itseng ea ho fepa, hlohlelletsa ho etsa slurry, le mocheso ho reflux. Kamora ho emisa ho futhumatsa, tšela khase ea chlorine ka lihora tse ka bang 3 ho isa ho tse 4, 'me u kenye metsi ho qhaqha calcium chloride e hlahisitsoeng. Sekhahla sa oli sea bokelloa, ebe sea hlatsuoa, se felloa ke metsi 'me se silafatsoa ho fumana sehlahisoa sa chloroacetone.
Litšobotsi tsa polokelo le lipalangoang tsa chloroacetone
Sebaka sa polokelo se kenngoa moea le ho omisoa ka mocheso o tlase; e sireletsoa khahlanong le malakabe a bulehileng le mocheso o phahameng, 'me e bolokoa le ho tsamaisoa ka thoko ho thepa e tala ea lijo le li-oxidants.
Maemo a polokelo: 2-8°C -
Propylene glycol CAS: 57-55-6
Lebitso la saense la propylene glycol ke "1,2-propanediol". Racemate ke mokelikeli oa hygroscopic viscous o nang le tatso e monate hanyenyane. E kopane ka metsing, acetone, ethyl acetate le chloroform, 'me e qhibiliha ka har'a ether. E qhibiliha ka har'a oli e ngata ea bohlokoa, empa ha e kopane le petroleum ether, parafine le mafura. E batla e tsitsitse ho mocheso le khanya, 'me e tsitsitse haholoanyane mochesong o tlaase. Propylene glycol e ka oxidized ka propionaldehyde, lactic acid, pyruvic acid le acetic acid ka mocheso o phahameng.
Propylene glycol ke diol mme e na le thepa ea lino tse tahang. E sebetsa le organic acid le inorganic acid ho hlahisa monoester kapa diesters. E arabela ka propylene oxide ho hlahisa ether. E arabela ka hydrogen halide ho hlahisa halohydrin. E arabela ka acetaldehyde ho etsa methyldioxolane.
Joaloka moemeli oa bacteriostatic, propylene glycol e tšoana le ethanol, 'me katleho ea eona ea ho thibela hlobo e tšoana le ea glycerin' me e fokotseha hanyenyane ho feta ea ethanol. Propylene glycol e atisa ho sebelisoa e le polasetiki ka thepa ea ho roala filimi e nang le metsi. Motsoako oa likarolo tse lekanang le metsi o ka liehisa hydrolysis ea lithethefatsi tse itseng le ho eketsa botsitso ba litokisetso.
Mokelikeli o se nang mebala, o hlakileng le o tsitsitseng o monyang metsi, o batlang o sa latsoehe ebile o se na monko. E kopane le metsi, ethanol le metsoako e fapaneng ea tlhaho. E sebelisoa e le lisebelisoa tse tala bakeng sa li-resin, plasticizers, surfactants, emulsifiers le demulsifiers, hammoho le antifreeze le lijari tsa mocheso.
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Benzoic acid CAS: 65-85-0
Benzoic acid, eo hape e tsejoang e le benzoic acid, e na le foromo ea molek'hule ea C6H5COOH. Ke asiti e monko o bonolo ka ho fetesisa eo sehlopha sa carboxyl se hokahaneng ka kotloloho le athomo ea khabone ea selikalikoe sa benzene. Ke motsoako o entsoeng ka ho nkela hydrogen lesale la benzene sebaka ka sehlopha sa carboxyl (-COOH). Ke likristale tse se nang 'mala, tse sa nkhang hamonate. Sebaka se qhibilihang ke 122.13 ℃, sebaka se belang ke 249 ℃, 'me sekhahla se lekanyelitsoeng ke 1.2659 (15/4 ℃). E theoha ka potlako ho 100 ° C, 'me mouoane oa eona o halefisa haholo' me o ka baka ho khohlela habonolo ka mor'a ho hema. E qhibiliha hanyenyane metsing, e qhibiliha ha bonolo ho lihlapolli tse phelang tse kang ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride le phaene Chemicalbook fuel saving. E fumaneha ka bongata ka sebopeho sa acid e sa lefelloeng, ester kapa lihlahisoa tsa eona. Ka mohlala, e teng ka mokhoa oa acid e sa lefelloeng le benzyl ester ka benzoin gum; e teng ka mokhoa o sa lefelloeng makhasi le makhapetla a bakoang a limela tse ling; e teng ka monko o monate E teng ka mokhoa oa methyl ester kapa benzyl ester ka oli ea bohlokoa; e teng ka sebōpeho sa hippuric acid e nkiloeng ka har'a moroto oa pere. Benzoic acid ke asiti e fokolang, e matla ho feta mafura a mafura. Li na le lik'hemik'hale tse tšoanang 'me li ka etsa matsoai, li-esters, acid halides, li-amide, li-anhydrides tsa acid, joalo-joalo,' me ha li na oxidized habonolo. Phetoho ea electrophilic e ka hlaha lesale la benzene la benzoic acid, haholoholo ho hlahisa lihlahisoa tsa meta-substitution.
Benzoic acid e atisa ho sebelisoa e le lithethefatsi kapa li-preservative. E na le phello ea ho thibela kholo ea li-fungus, libaktheria le hlobo. Ha e sebelisoa e le moriana, hangata e sebelisoa letlalong ho phekola mafu a letlalo a kang seboko. E sebelisoa liindastering tsa li-synthetic fibers, li-resin, lintja, rabara le liindasteri tsa koae. Qalong, asiti ea benzoic e ne e hlahisoa ke carbonization ea benzoin gum kapa hydrolysis ea buka ea lik'hemik'hale ka metsi a alkaline. E ka boela ea hlahisoa ke hydrolysis ea hippuric acid. Ka indasteri, benzoic acid e hlahisoa ke moea oxidation ea toluene ka pel'a li-catalysts tse kang cobalt le manganese; kapa e hlahisoa ke hydrolysis le decarboxylation ea phthalic anhydride. Benzoic acid le letsoai la eona la sodium e ka sebelisoa e le li-antibacterial ka latex, sesepa sa meno, jeme kapa lijo tse ling, hape e ka sebelisoa e le li-mordants bakeng sa ho daea le ho hatisa. -
Ethyl N-acetyl-N-butyl-β-alaninate CAS:52304-36-6
BAAPE ke sebolaya dikokonyana se sephara, se sebetsang hantle haholo se lelekang dintsintsi, dinta, bohlwa, menoang, maphele, matsetse, matsetse, matsetse a lehlabathe, matsetse a lehlabathe, lehlabathe, cicada, jj. Phello e lelekang; phello ea eona ea ho leleka e nka nako e telele 'me e ka sebelisoa maemong a fapaneng a leholimo. E tsitsitse ka lik'hemik'hale tlas'a maemo a tšebeliso 'me e na le botsitso bo phahameng ba mocheso le ho hanyetsa mofufutso o phahameng. BAAPE e lumellana hantle le litlolo le meriana e sebelisoang hangata. E ka etsoa ka tharollo, li-emulsions, mafura, litlolo, li-gel, li-aerosols, li-coil tsa menoang, li-microcapsules le meriana e meng e khethehileng ea ho leleka, hape e ka ekeletsoa lihlahisoa tse ling. Kapa ka thepa (e kang metsi a ntloana, metsi a thibelang menoang), e le hore e be le phello e lelekang.
BAAPE e na le melemo ea ho se be le litla-morao tse chefo letlalong le lera la mucous, ha ho na lintho tse itseng, 'me ha ho na ho kenella ha letlalo.
Thepa: Mokelikeli o bonaletsang o se nang 'mala ho isa ho o mosehla o khanyang, sebolaya-menang se setle haholo. Ha e bapisoa le ntho e tloaelehileng e lelekang menoang (DEET, eo hangata e tsejoang e le DEET), e na le likarolo tse ikhethang tsa chefo e tlase, ho teneha ho fokolang, le nako e telele ea ho leleka. , sehlahisoa se loketseng sa ho nkela lintho tse lelekang menoang.
Selekanyi se qhibilihang ka metsing (BAAPE) ha se sebetse hantle ho feta DEET ea setso ho lelekeng menoang. Leha ho le joalo, ha ho bapisoa, DEET (IR3535) e batla e fokola ebile ha e na ho kenella ha letlalo.
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2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (e khutsufalitsoeng e le MOE), e tsejoang hape e le ethylene glycol methyl ether, ke mokelikeli o se nang mebala le o bonaletsang, o kopanyang metsi, joala, acetic acid, acetone le DMF. Joaloka motsoako oa bohlokoa, MOE e sebelisoa haholo e le motsoako oa li-grease tse fapa-fapaneng, cellulose acetates, cellulose nitrate, lidae tse qhibilihang ka joala le li-resin tsa maiketsetso.
E fumanoa ka karabelo ea ethylene oxide le methanol. Kenya methanol ho boron trifluoride ether complex, 'me u fete ka ethylene oxide ho 25-30 ° C ha u ntse u susumetsa. Ka mor'a hore mokhoa ona o phethoe, mocheso o nyolohela ho 38-45 ° C. Tharollo e hlahisoang ke karabelo e phekoloa ka potassium hydrocyanide- Neutralize tharollo ea methanol ho pH=8-Chemicalbook9. Khutlisa methanol, e qhala, 'me u bokelle likaroloana pele ho 130°C ho fumana sehlahisoa se tala. Ebe u etsa distillation e fokolang, 'me u bokelle karoloana ea 123-125 ° C e le sehlahisoa se felileng. Tlhahisong ea indasteri, ethylene oxide le methanol ea anhydrous li arajoa ka mocheso o phahameng le khatello ntle le mokelikeli, 'me sehlahisoa se phahameng sa lihlahisoa se ka fumanoa.
Sehlahisoa sena se sebelisoa e le motsoako oa lioli tse fapa-fapaneng, lignin, nitrocellulose, cellulose acetate, lidae tse qhibilihang ka joala le li-resin tsa maiketsetso; e le reagent bakeng sa qeto ea tšepe, sulfate le carbon disulfide, e le diluent bakeng sa ho roala, le bakeng sa cellophane. Li-sealers tsa ho paka, li-varnish tse omisang ka potlako le li-enamel. E ka boela ea sebelisoa e le ntho e phunyeletsang le ea ho lekanya indastering ea dae, kapa e le polasetiki le se khanyang. E le karolo e bohareng ea tlhahiso ea metsoako ea lintho tse phelang, ethylene glycol monomethyl ether e sebelisoa haholo-holo ha ho etsoa acetate le ethylene glycol dimethyl ether. Hape ke Chemicalbook lisebelisoa tse tala bakeng sa tlhahiso ea bis(2-methoxyethyl) phthalate plasticizer. Motsoako oa ethylene glycol monomethyl ether le glycerin (ether: glycerin = 98: 2) ke motsoako oa mafura a jete a sesole a ka thibelang ho senya le ho senya baktheria. Ha ethylene glycol monomethyl ether e sebelisoa e le sesebelisoa se thibelang mafura a jet, kakaretso ea kakaretso ke 0.15% ± 0.05%. E na le hydrophilicity e ntle. E sebelisa sehlopha sa eona sa hydroxyl ka har'a mafura ho sebelisana le palo ea limolek'hule tsa metsi ka har'a oli. Ho thehoa ha hydrogen bond association, hammoho le sebaka sa eona sa leqhoa se tlaase haholo, ho theola ntlha ea leqhoa ea metsi ka har'a oli, e leng ho lumellang metsi hore a be le leqhoa. Ethylene glycol monomethyl ether le eona ke motsoako o thibelang likokoana-hloko.
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1,4-Butanediol diglycidyl ether CAS 2425-79-8
1,4-Butanediol glycidyl ether, e tsejoang hape e le 1,4-butanediol dialkyl ether kapa BDG, ke motsoako oa lintho tse phelang. Ke mokelikeli o mosehla o se nang 'mala ho isa ho o khanyang o fokolang. E qhibiliha ka har'a metsoako e mengata ea tlhaho e kang ethanol, methanol le dimethylformamide. Hangata e sebelisoa e le lisebelisoa tse tala tsa lik'hemik'hale le li-solvents. E boetse e sebelisoa e le stabilizer bakeng sa dae le li-pigments.
1,4-Butanediol glycidyl ether e ka hlahisoa ka esterification ea 1,4-butanediol e nang le methanol kapa tharollo ea methanol. Maemo a karabelo ka kakaretso a etsoa tlas'a khatello e phahameng le ho ba teng ha mokelikeli.
Ha u sebelisa 1,4-butanediol glycidyl ether, tlhokomelo e tlameha ho nkoa ho thibela ho kopana le letlalo le mahlo. Nakong ea tšebeliso le polokelo, mocheso o phahameng le mehloli ea mollo e lokela ho qojoa. Tlhokomelo e lokela ho lefshoa ho tiisoa ha lijana tsa polokelo ho thibela mouoane le ho lutla. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA ke sehlahisoa sa bohlokoa ka ho fetisisa ho ethanol, ho kenyelletsa monoethanolamine MEA, diethanolamine DEA le triethanolamine TEA. Ethanolamine ke karolo ea bohlokoa ea lintho tse phelang, e sebelisoang haholo ho li-surfactants, li-detergents tsa maiketsetso, li-additives tsa petrochemical, resin ea maiketsetso le polasetiki ea rabara, li-accelerator, li-vulcanizing le li-foaming agents, hammoho le tlhoekiso ea khase, antifreeze ea metsi, Ho hatisa le ho daea, meriana ea kaho, chefo e bolaeang likokoanyana. , indasteri ea sesole le likarolo tse ling. Lihlahisoa tse tlase tsa ethanolamine ke tsa bohlokoa tse lipakeng tsa lik'hemik'hale.
Diethanolamine, e tsejoang hape e le bishydroxyethylamine le 2,2'-iminobisethanol, ke kristale e tšoeu kapa mokelikeli o se nang 'mala o nang le hygroscopicity e matla. E qhibiliha habonolo metsing, methanol, ethanol, acetone le benzene. Ho qhibiliha ha eona (g/100g) ho benzene ka 25°C ke 4.2 le ho ether ke 0.8. Sepheo sa eona ke: ho hloekisa khase, e ka khonang ho monya likhase tsa Chemicalbook acidic ka khase, tse kang carbon dioxide, hydrogen sulfide, sulfur dioxide, joalo-joalo Tharollo ea "Benfield" e sebelisoang indastering ea maiketsetso ea ammonia e entsoe haholo-holo ka sehlahisoa sena; e boetse e sebelisoa bakeng sa emulsification. Li-agents, lubricant, shampoos, thickeners, joalo-joalo; organic synthesis intermediates, e sebelisetsoang ho hlahisa lisebelisoa tse tala, li-preservatives le lik'hemik'hale tsa letsatsi le letsatsi (tse kang li-surfactants); tlhahiso ea morpholine.
Diethanolamine e sebelisoa e le thepa e tala bakeng sa li-buffers indastering ea meriana. E sebelisoa e le sesebelisoa se kopanyang ho hlahisa foam e phahameng ea polyurethane. E kopantsoe le triethanolamine joalo ka sehlatsoa sa lipiston tsa enjine ea sefofane. E sebetsana le li-acid tse mafura ho etsa alkyl alkyls. E boetse e sebelisoa linthong tse tala tsa Synthetic, lisebelisoa tse tala bakeng sa li-surfactants Chemicalbook le li-absorber tse nang le asiti, tse sebelisoang e le li-thickeners le li-foam modifiers ka har'a li-shampoo le li-detergents tse bobebe, joalo ka li-intermediate indastering ea organic synthesis, le indastering ea meriana. E le solvent, e sebelisoa haholo indastering ea ho hlatsoa, indasteri ea litlolo, temo, indasteri ea kaho le indasteri ea tšepe.
