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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 metsing le ka bongata ba dihlahiswa tsa tlhaho, empa ha e qhibilihe ka dihlahiswa tse seng tsa polar.
- Ke nucleophile e nang le karabelo e eketsehileng ho metsoako e kang li-ester, aldehydes le ketones.
sebelisa:
- N-Isopropylhydroxylamine e sebediswa haholo-holo dikarabelong tsa tlhahiso ya manyolo, haholoholo e le reagent ya amination.
- E ka sebelisoa ho kopanya lihlahisoa tsa amination tsa aldehydes, ketones, le li-ester, le ho nka karolo liketsong tse ling tsa cyclization.
- E ka boela ea sebelisoa e le sesebelisoa se fokotsang ho etsa likarabelo tsa phokotso tlhahisong ea lintho tse phelang.
Mokhoa oa ho lokisa:
- Mokhoa o tloaelehileng oa ho lokisa N-isopropylhydroxylamine ke ho etsa karabelo ea amidation holim'a isopropyl alcohol ho fumana N-isopropylisopropylamide, ebe o sebelisa khase ea ammonia ho sebetsa ho eona ho hlahisa N-isopropylhydroxylamine.
Tlhahisoleseding ea Tšireletso:
- N-Isopropylhydroxylamine ke ntho e senyang e ka bakang ho teneha le ho cha ha e kopana le letlalo le mahlo.
- Apara liatlana tse sireletsang, likhalase tsa mahlo le lisebelisoa tse ling tsa tšireletso ea botho ha u sebelisa.
- Sebelisa sebakeng se nang le moea o kenang hantle '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 hanyane o nang le boima bo lekanang ba 0.973. Ha o qhibilihe metsing, o qhibiliha ka har'a joala, ether, 'me o qhibiliha ka har'a hydrochloric acid.
Mekhoa ea tlhahiso ea 2,6-dimethylaniline e kenyelletsa haholo-holo mokhoa oa 2,6-dimethylphenol aminolysis, mokhoa oa alkylation oa o-methylaniline, mokhoa oa methylation oa aniline, mokhoa oa m-xylene disulfonation nitration le mokhoa oa m-xylene disulfonation. Mokhoa oa ho fokotsa nitration ea toluene, jj.
Sehlahisoa sena ke sesebelisoa sa bohlokoa bakeng sa tlhahiso ea chefo e bolaeang likokoanyana le meriana, 'me se ka boela sa sebelisoa e le thepa e tala bakeng sa lihlahisoa tsa lik'hemik'hale tse kang lidae. Se ka tuka ke lelakabe le bulehileng; se arabela le li-oxidants; se bolisa mosi o chefo oa naetrojene 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 se nang 'mala o nang le oli. 'Mala o teba khanyeng le moeeng. O qhibiliha hanyane metsing, o qhibiliha ka har'a ethanol, ether, benzene le litharollo tsa asiti.
2,4-Dimethylaniline e fumanoa ka nitration ea m-xylene ho fumana 2,4-dimethylnitrobenzene le 2,6-dimethylnitrobenzene. Kamora ho qhibilihisoa, ho fumanoa 2,4-dimethylnitrobenzene. Sehlahisoa se fumanoa ka ho fokotsa hydrogenation ea benzene ka catalytic. E sebelisoa e le metsoako ea chefo e bolaeang likokoanyana, meriana le dae. E ka tuka malakabeng a bulehileng; e sebetsa le li-oxidants; e bolisa mosi o chefo oa naetrojene oxide ka mocheso o phahameng. Nakong ea polokelo le lipalangoang, ntlo ea polokelo e lokela ho kenngoa moea o kenang le o omileng mochesong o tlase; e boloke ka thoko ho li-acids, li-oxidants le li-additives tsa lijo.
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1-(Dimethylamino)tetradecane CAS 112-75-4
1-(Dimethylamino)tetradecane CAS 112-75-4
Ponahalo ke mokelikeli o bonaletsang。 ha o qhibilihe metsing ebile ha o teteaneng ho feta metsi. Kahoo e phaphamala holim'a metsi. Ho kopana le eona ho ka halefisa letlalo, mahlo le lera la mucous. E ka ba chefo ka ho e ja, ho e hema kapa ho monya letlalo.
E sebelisoa haholo-holo ho li-preservative, li-additives tsa mafura, li-bacteria, li-extractants tsa tšepe tse sa tloaelehang, li-dispersants tsa pigment, li-agent tsa flotation tsa diminerale, thepa e tala ea litlolo, jj.
Maemo a polokelo: Boloka sebakeng se pholileng, se omileng, se lefifi ka har'a setshelo kapa silindara e koetsoeng ka thata. Boloka hole le thepa e sa lumellaneng, mehloli ea ho hotetsa le batho ba sa rutehang. Sireletsa 'me u ngole sebaka ka leibole. Sireletsa lijana/lisilindara tšenyo ea 'mele.
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Triethylamine CAS: 121-44-8
Triethylamine (foromo ea limolek'hule: C6H15N), e tsejoang hape e le N,N-diethylethylamine, ke amine e bonolo ka ho fetisisa ea homo-trisubstituted tertiary mme e na le thepa e tloaelehileng ea li-amine tse tharo, ho kenyeletsoa le ho thehoa ha letsoai, oxidation, le triethyl Chemicalbook amine. Teko (Hisbergreaction) ha e arabe. E bonahala e le mokelikeli o se nang 'mala ho isa ho o mosehla o bobebe o nang le monko o matla oa ammonia 'me e tsuba hanyane moeeng. E qhibiliha hanyane metsing, e qhibiliha ka har'a ethanol le ether. Tharollo ea metsi e na le alkaline. Chefo ebile e halefisa haholo.
E ka fumanoa ka ho kopanya ethanol le ammonia ha haeterojene e le teng ka har'a reactor e nang le catalyst ea koporo-nickel-letsopa tlas'a maemo a ho futhumatsa (190±2°C le 165±2°C). Karabelo e tla boela e hlahise monoethylamine le diethylamine. Kamora ho kolobisoa, sehlahisoa se fafatsoa ka ethanol 'me se monngoa ho fumana triethylamine e tala. Qetellong, kamora ho arohana, ho felloa ke metsi le ho aroloa, triethylamine e hloekileng ea fumanoa.
Triethylamine e ka sebelisoa e le solvent le thepa e tala indastering ea tlhahiso ea lintho tse phelang, 'me e boetse e sebelisoa tlhahisong ea meriana, chefo e bolaeang likokoanyana, li-polymerization inhibitors, mafura a matla a mangata, li-raberizer, jj.
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Chloroacetone CAS: 78-95-5
Chloroacetone CAS: 78-95-5
Ponahalo ea eona ke mokelikeli o se nang 'mala o nang le monko o bohale. E qhibiliha ka metsing, e qhibiliha ka har'a ethanol, ether le chloroform. E sebelisoa ka har'a motsoako oa lintho tse phelang ho lokisa meriana, chefo e bolaeang likokoanyana, linoko le dae, jj.
Ho na le mekhoa e mengata ea ho kopanya chloroacetone. Mokhoa oa acetone chlorination ke mokhoa o ka sehloohong o sebelisoang tlhahisong ea malapeng. Chloroacetone e fumanoa ka ho kopanya acetone ka chlorinate moo ho nang le calcium carbonate, e leng sesebelisoa se tlamang asiti. Kenya acetone le calcium carbonate ka har'a reactor ho latela tekanyo e itseng ea phepo, hlohlelletsa ho etsa slurry, 'me u futhumatse ho fihlela e khutla. 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 qhala calcium chloride e hlahisitsoeng. Lera la oli lea bokelloa, ebe lea hlatsuoa, lea omisoa, 'me lea qhibilihisoa ho fumana sehlahisoa sa chloroacetone.
Litšobotsi tsa polokelo le lipalangoang tsa chloroacetone
Ntlo ea polokelo e na le moea o kenang le o omisitsoeng mochesong o tlase; e sirelelitsoe khahlanong le malakabe a bulehileng le mocheso o phahameng, 'me e bolokoa le ho tsamaisoa ka thoko ho lijo tse tala le li-oxidant.
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 o viscous o nang le tatso e babang hanyane. E ka kopanngoa ka metsing, acetone, ethyl acetate le chloroform, 'me ea qhibiliha ka har'a ether. E qhibiliha ka har'a oli tse ngata tsa bohlokoa, empa e ka kopantsoe le petroleum ether, paraffin le grease. E tsitsitse mochesong le khanya, 'me e tsitsitse haholoanyane maemong a tlase a mocheso. Propylene glycol e ka oxidized ho ba propionaldehyde, lactic acid, pyruvic acid le acetic acid maemong a phahameng a mocheso.
Propylene glycol ke diol mme e na le thepa ya alcohols tse akaretsang. E arabela le di-acid tsa organic le di-acid tse sa organic ho hlahisa di-monoester kapa diester. E arabela le propylene oxide ho hlahisa ether. E arabela le hydrogen halide ho hlahisa di-halohydrin. E arabela le acetaldehyde ho etsa methyldioxolane.
Jwalo ka moemeli wa bacteriostatic, propylene glycol e tshwana le ethanol, mme katleho ya yona ho thibeleng hlobo e tshwana le ya glycerin mme e tlase hanyane ho feta ya ethanol. Propylene glycol e sebediswa hangata e le plasticizer disebedisweng tse koahelang filimi ya metsi. Motswako wa dikarolo tse lekanang le metsi o ka diehisa ho haellwa ha hydrolysis ya meriana e itseng mme wa eketsa botsitso ba ditokisetso.
Mokelikeli o se nang 'mala, o tiileng le o tsitsitseng o monyang metsi, o batla o se na tatso ebile ha o na monko. O ka tsoakoa le metsi, ethanol le metsoako e fapaneng ea lintho tse phelang. E sebelisoa e le thepa e tala bakeng sa li-resin, li-plasticizer, li-surfactant, li-emulsifier le li-demulsifier, hammoho le li-antifreeze le li-heat carriers
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Asiti ea Benzoic CAS: 65-85-0
Asiti ea Benzoic, e tsejoang hape e le asiti ea benzoic, e na le foromo ea limolek'hule ea C6H5COOH. Ke asiti e bonolo ka ho fetisisa e nkhang hamonate eo sehlopha sa carboxyl se hokahaneng ka ho toba le athomo ea khabone ea lesale la benzene. Ke motsoako o entsoeng ka ho nkela haedrojene lesale la benzene sebaka ka sehlopha sa carboxyl (-COOH). Ha e na 'mala, likristale tse se nang monko tse qhibilihisang. Sebaka sa ho qhibiliha ke 122.13℃, ntlha ea ho belisa ke 249℃, 'me bongata bo lekanyelitsoeng ke 1.2659 (15/4℃). E qhibiliha ka potlako ho 100°C, 'me mouoane oa eona o halefisa haholo 'me o ka baka khohlela habonolo kamora ho hema. E qhibiliha hanyane ka metsing, e qhibiliha habonolo ka har'a li-solvents tsa tlhaho tse kang ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride le phaene Chemicalbook e bolokang mafura. E fumaneha haholo ka tlhaho ka mokhoa oa asiti e lokolohileng, ester kapa lintho tse tsoang ho eona. Mohlala, e teng ka sebopeho sa asiti e lokolohileng le benzyl ester ka har'a benzoin gum; e teng ka sebopeho se lokolohileng makhasing le makhapetleng a kutu a limela tse ling; e teng monkong o monate E teng ka sebopeho sa methyl ester kapa benzyl ester oli ea bohlokoa; e teng ka sebopeho sa asiti ea eona ea hippuric e tsoang morotong oa pere. Asiti ea Benzoic ke asiti e fokolang, e matla ho feta li-acid tse mafura. Li na le thepa e tšoanang ea lik'hemik'hale 'me li ka etsa letsoai, li-ester, li-acid halides, li-amides, li-anhydride tsa acid, jj., 'me ha li oxidized habonolo. Karabelo ea phetoho ea electrophilic e ka etsahala lesale la benzene la besiti ea benzoic, haholo-holo e hlahisa lihlahisoa tsa meta-substitution.
Hangata asiti ea Benzoic e sebelisoa e le moriana kapa sesebelisoa sa ho boloka lintho tse phelang. E na le phello ea ho thibela kholo ea li-fungus, libaktheria le hlobo. Ha e sebelisoa e le meriana, hangata e sebelisoa letlalong ho phekola mafu a letlalo a kang ringworm. E sebelisoa likhoeleng tsa maiketsetso, li-resin, liphahlo, rabara le liindasteri tsa koae. Qalong, asiti ea benzoic e ne e hlahisoa ka ho etsa hore gum ea benzoin e be le carbonization kapa hydrolysis ea metsi a lik'hemik'hale ka metsi a alkaline. E ka boela ea hlahisoa ka hydrolysis ea asiti ea hippuric. Liindastering, asiti ea benzoic e hlahisoa ke oxidation ea moea ea toluene ka pel'a li-catalyst tse kang cobalt le manganese; kapa e hlahisoa ka hydrolysis le decarboxylation ea phthalic anhydride. Asiti ea Benzoic le letsoai la eona la sodium li ka sebelisoa e le li-antibacterial agents ho latex, sesepa sa meno, jeme kapa lijo tse ling, 'me li ka boela tsa 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 nang le mahlakore a mangata, se sebetsang hantle haholo se lelekang dintsintsi, dinta, bohlwa, menoang, maphele, dikokonyana tse nyane, diboba, diboba tse bataletseng, diboba tsa lehlabathe, diboba tsa lehlabathe, diboba tsa lehlabathe, diboba tsa cicada, jj. Tshusumetso e lelekang; phello ya yona e lelekang e nka nako e telele mme e ka sebediswa maemong a fapaneng a tlelaemete. E tsitsitse ka dikhemikhale tlasa maemo a tshebediso mme e na le botsitso bo phahameng ba mocheso le ho hanyetsa mofufutso o phahameng. BAAPE e tsamaisana hantle le ditlolo le meriana tse sebediswang hangata. E ka etswa ditharollo, di-emulsion, ditlolo, dikobo, di-gel, di-aerosols, di-coil tsa menoang, di-microcapsule le meriana e meng e ikgethang e lelekang, mme e ka eketswa le dihlahiswa tse ding. Kapa ka thepa (jwalo ka metsi a ntloana, metsi a lelekang 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 e na allergy, 'me ha e na ho kenella ha letlalo.
Litšobotsi: Mokelikeli o bonaletsang o se nang 'mala ho isa ho o mosehla o bobebe, ke sethibela-menoang se setle ka ho fetisisa. Ha se bapisoa le sethibela-menoang se tloaelehileng (DEET, se tsejoang haholo e le DEET), se na le litšobotsi tse ikhethang tsa chefo e tlase, ho se halefe hanyane, le nako e telele ea ho se leleka. , sehlahisoa se loketseng sa ho nkela sebaka lithibela-menoang tse tloaelehileng.
Sebolaya-metsi 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) ha e halefise hakaalo 'me ha e kenelle letlalong.
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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 'mala le o bonaletsang, o kopantsoeng le metsi, joala, asetiki, asetone le DMF. Jwalo ka sethapo sa bohlokwa, MOE e sebediswa haholo e le sethapo sa mafura a fapaneng, di-acetate tsa cellulose, di-nitrate tsa cellulose, didae tse qhibilihang ka hara joala le di-resin tsa maiketsetso.
E fumanoa ka karabelo ea ethylene oxide le methanol. Kenya methanol ho boron trifluoride ether complex, 'me u fetise ethylene oxide ho 25-30°C ha u ntse u hlohlelletsa. Kamora hore phetiso e phetheloe, mocheso o nyolohela ka bohona ho 38-45°C. Tharollo ea karabelo e hlahisoang e phekoloa ka potassium hydrocyanide- Halafatsa tharollo ea methanol ho pH=8-Chemicalbook9. Fumana methanol, e qhibilihe, 'me u bokelle likaroloana pele ho 130°C ho fumana sehlahisoa se se nang mafura. Ebe u etsa distillation ea likaroloana, 'me u bokelle karoloana ea 123-125°C e le sehlahisoa se felileng. Tlhahisong ea indasteri, ethylene oxide le methanol e sa nang le metsi li arajoa mochesong o phahameng le khatello ntle le catalyst, 'me sehlahisoa se nang le chai e ngata se ka fumanoa。
Sehlahisoa sena se sebelisoa e le tharollo bakeng sa oli tse fapaneng, lignin, nitrocellulose, cellulose acetate, lidae tse qhibilihang ka joala le li-resin tsa maiketsetso; e le reagent bakeng sa ho fumana tšepe, sulfate le carbon disulfide, e le motsoako oa ho koahela, le bakeng sa cellophane. Liphuthelong tsa ho paka, li-varnish tse omisang kapele le li-enamel. E ka boela ea sebelisoa e le moemeli ea kenellang le moemeli oa ho leka-lekanya indastering ea dae, kapa e le plasticizer le brightener. E le e bohareng tlhahisong ea metsoako ea manyolo, ethylene glycol monomethyl ether e sebelisoa haholo ho etseng acetate le ethylene glycol dimethyl ether. Hape ke thepa e tala ea Chemicalbook bakeng sa tlhahiso ea plasticizer ea bis(2-methoxyethyl)phthalate. Motsoako oa ethylene glycol monomethyl ether le glycerin (ether: glycerin = 98:2) ke sesebelisoa sa mafura sa sesole se ka thibelang leqhoa le ho bola ha baktheria. Ha ethylene glycol monomethyl ether e sebediswa e le moemedi wa ho thibela boholo ba mafura a jet, tjhelete e akaretsang ya ho eketsa ke 0.15% ± 0.05%. E na le philicity e ntle ya hydroxyl. E sebedisa sehlopha sa yona sa hydroxyl mafurang ho sebelisana le bongata ba dimolek'hule tsa metsi tse ka hara oli. Ho thehwa ha kamano ya hydrogen bond, hammoho le ntlha ya yona e tlase haholo ya ho hoama, ho fokotsa ntlha ya ho hoama ya metsi ka hara oli, e leng se dumellang metsi ho kena leqhoang. Ethylene glycol monomethyl ether le yona ke sehlomathiso sa dikokwana-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 bobebe o nang le ho feto-fetoha ho tlase. E qhibiliha ka har'a li-solvent tse ngata tsa lintho tse phelang tse kang ethanol, methanol le dimethylformamide. E sebelisoa hangata e le lisebelisoa tse tala tsa lik'hemik'hale le li-solvent. E boetse e sebelisoa e le stabilizer bakeng sa lidae le mebala.
1,4-Butanediol glycidyl ether e ka hlahisoa ka ho esterization ea 1,4-butanediol ka tharollo ea methanol kapa methanol. Maemo a karabelo hangata a etsoa tlas'a khatello e phahameng le boteng ba catalyst.
Ha o sebedisa 1,4-butanediol glycidyl ether, o lokela ho ela hloko ho thibela ho kopana le letlalo le mahlo. Nakong ya tshebediso le polokelo, mocheso o phahameng le mehlodi ya mollo di lokela ho qojwa. Ela hloko ho kwalwa ha dijana tsa polokelo ho thibela mouwane le ho dutla ha metsi. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA ke sehlahisoa sa bohlokoa ka ho fetisisa ethanol, ho kenyeletsoa monoethanolamine MEA, diethanolamine DEA le triethanolamine TEA. Ethanolamine ke sesebelisoa sa bohlokoa sa tlhaho, se sebelisoang haholo ho li-surfactants, li-detergent tsa maiketsetso, li-additives tsa petrochemical, li-resin tsa maiketsetso le li-plasticizer tsa rabara, li-accelerator, li-vulcanizing agents le li-agent tse foamang, hammoho le tlhoekiso ea khase, antifreeze ea metsi, ho hatisa le ho daea, meriana, chefo e bolaeang likokoanyana, kaho, indasteri ea sesole le masimo a mang. Lihlahisoa tse tlase tsa ethanolamine ke li-intermediate tsa bohlokoa tsa lik'hemik'hale tse ntle.
Diethanolamine, e tsejoang hape e le bishydroxyethylamine le 2,2′-iminobisethanol, ke mokelikeli o mosweu wa kristale kapa o se nang mmala o nang le hygroscopicity e matla. E qhibiliha habonolo metsing, methanol, ethanol, acetone le benzene. Ho qhibiliha ha yona (g/100g) ka benzene ka 25°C ke 4.2 mme ka ether ke 0.8. Morero wa yona ke: sehlwekisi sa kgase, se ka monyang dikhase tse nang le asiti tsa Chemicalbook ka hara kgase, tse kang carbon dioxide, hydrogen sulfide, sulfur dioxide, jj. Tharollo ya "Benfield" e sebediswang indastering ya amonia ya maiketsetso e entswe haholo ka sehlahiswa sena; e boetse e sebedisetswa ho emulsification. Di-agent, ditlolo, di-shampoo, di-thickeners, jj.; di-intermediate tsa synthesis ya organic, tse sebediswang ho hlahisa disebediswa tse tala tsa sesepa, di-preservative le dikhemikhale tsa letsatsi le letsatsi (jwalo ka di-surfactants); ho etswa ha morpholine.
Diethanolamine e sebelisoa e le thepa e tala bakeng sa li-buffer indastering ea meriana. E sebelisoa e le moemeli oa ho hokahanya tlhahiso ea foam ea polyurethane e matla haholo. E kopantsoe le triethanolamine e le sesepa sa ho hlatsoa li-piston tsa enjene ea lifofane. E arabela le li-acid tse mafura ho etsa li-alkyl alkyl. E boetse e sebelisoa linthong tse tala tsa maiketsetso tsa tlhaho, lisebelisoa tse tala bakeng sa li-surfactants Chemicalbook le li-absorber tsa khase ea asiti, tse sebelisoang e le li-thickeners le li-modifier tsa foam ka har'a li-shampoo le li-detergent tse bobebe, e le li-intermediate indastering ea tlhahiso ea tlhaho, le indastering ea meriana. E le solvent, e sebelisoa haholo indastering ea ho hlatsoa, indastering ea litlolo, temong, indastering ea kaho le indastering ea tšepe.
