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I-N-Isopropylhydroxylamine CAS: 5080-22-8
I-N-Isopropylhydroxylamine iwuketshezi olungenambala olunephunga elinamandla le-ammonia.
- Iyancibilika emanzini nasezincibilikilweni eziningi zemvelo, kodwa ayincibiliki ezincibilikisini ezingezona ezingxenyeni ze-polar.
- Kuyi-nucleophile enokusabela okungeziwe kumakhompiyutha afana nama-esters, ama-aldehydes, nama-ketone.
sebenzisa:
- I-N-Isopropylhydroxylamine isetshenziswa kakhulu ekuphenduleni kwe-organic synthesis, ikakhulukazi njenge-reagent amination.
- Ingasetshenziselwa ukuhlanganisa imikhiqizo ye-amination yama-aldehyde, ama-ketones, nama-ester, futhi ibambe iqhaza ekuphenduleni okuthile kokuhamba ngebhayisikili.
- Ingasetshenziswa futhi njenge-reagent yokunciphisa ukwenza ukusabela kokunciphisa ku-organic synthesis.
Indlela yokulungiselela:
- Indlela evamile yokulungiselela ye-N-isopropylhydroxylamine iwukwenza ukusabela kwe-amidation ku-isopropyl alcohol ukuze kutholwe i-N-isopropylisopropylamide, bese usebenzisa igesi ye-ammonia ukwenza okuthile ngayo ukuze kukhiqizwe i-N-isopropylhydroxylamine.
Ulwazi Lokuphepha:
- I-N-Isopropylhydroxylamine iyisithako esonakalisayo esingabangela ukucasuka nokusha lapho sithinta isikhumba namehlo.
- Gqoka amagilavu okuzivikela, izibuko kanye nezinye izinto zokuzivikela uma usebenzisa.
- Sebenzisa endaweni enomoya omuhle futhi ugweme ukuhogela umhwamuko wayo.
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2,6-Dimethylaniline CAS 87-62-7
I-2,6-Dimethylaniline iwuketshezi oluphuzi kancane olunokuminyana okuhlobene okungu-0.973. Ayincibiliki emanzini, iyancibilika otshwaleni, ether, futhi inyibilika ku-hydrochloric acid.
Imizila yokuhlanganisa ye-2,6-dimethylaniline ikakhulukazi ihlanganisa indlela ye-2,6-dimethylphenol aminolysis, indlela ye-o-methylaniline alkylation, indlela ye-aniline methylation, indlela ye-m-xylene disulfonation nitration kanye nendlela ye-m-xylene disulfonation. Indlela yokunciphisa i-toluene nitrate, njll.
Lo mkhiqizo uyisiphakathi esibalulekile sokukhiqiza izibulala-zinambuzane nemithi, futhi ungasetshenziswa njengempahla eluhlaza emikhiqizweni yamakhemikhali efana nodayi. Ivutha ilangabi elivulekile; isabela nama-oxidants; ibola intuthu ye-nitrogen oxide enobuthi ngokushisa okuphezulu.
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I-2,4-Dimethyl aniline CAS 95-68-1
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I-2,4-Dimethyl aniline CAS 95-68-1
Iwuketshezi olunamafutha angenambala. Umbala ujula ekukhanyeni nasemoyeni. Incibilika kancane emanzini, incibilika ku-ethanol, ether, benzene kanye nezixazululo ze-asidi.
I-2,4-Dimethylaniline itholakala nge-nitrate ye-m-xylene ukuze kutholwe i-2,4-dimethylnitrobenzene kanye ne-2,6-dimethylnitrobenzene. Ngemuva kokukhishwa kwe-distillation, i-2,4-dimethylnitrobenzene itholakala. Umkhiqizo utholakala ngokuncishiswa kwe-catalytic hydrogenation ye-benzene. Isetshenziswa njengezimaphakathi zezibulala-zinambuzane, imithi kanye nodayi.Ivutha emalangabini avulekile; isebenza ngama-oxidants; ibola intuthu ye-nitrogen oxide enobuthi ngokushisa okuphezulu. Ngesikhathi sokugcina nokuthutha, indawo yokugcina impahla kufanele ifakwe umoya futhi yome ekushiseni okuphansi; igcine ngokuhlukana nama-acids, ama-oxidants, nezithasiselo zokudla.
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1-(Dimethylamino)tetradecane CAS 112-75-4
1-(Dimethylamino)tetradecane CAS 112-75-4
Ukubukeka kuwuketshezi olusobala. aluncibiliki emanzini futhi aminyene kakhulu kunamanzi. Ngakho intanta emanzini. Ukuthintana kungase kucasule isikhumba, amehlo kanye nolwelwesi lwamafinyila. Ingase ibe nobuthi ngokumunca, ukuhogela noma ukumunca isikhumba.
Isetshenziselwa ukwenza amanye amakhemikhali.Futhi ikakhulukazi asetshenziswa ekulondolozeni, izithasiselo zikaphethiloli, izibulala-magciwane, izithako zensimbi ezingavamile, izisabalali ze-pigment, ama-mineral flotation agents, izinto zokusetshenziswa zezimonyo, njll.
Izimo zesitoreji: Gcina endaweni epholile, eyomile, emnyama esitsheni esivalwe ngci noma isilinda. Ziqhelelanise nezinto ezingahambelani, imithombo yokubasa kanye nabantu abangaqeqeshiwe. Vikela futhi ilebula indawo. Vikela iziqukathi/amasilinda ekulimaleni ngokomzimba.
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I-Triethylamine CAS: 121-44-8
I-Triethylamine (ifomula yamangqamuzana: C6H15N), eyaziwa nangokuthi i-N,N-diethylethylamine, i-amine ephakeme kakhulu ye-homo-trisubstituted futhi inezakhiwo ezijwayelekile zama-amine aphezulu, okuhlanganisa ukwakheka kukasawoti, i-oxidation, ne-triethyl Chemicalbook amine. Test (Hisbergreaction) akukho mpendulo. Ibonakala njengoketshezi olusobala olungenambala ukuya kokuphuzi olukhanyayo olunephunga elinamandla le-ammonia futhi ibhema kancane emoyeni. Incibilika kancane emanzini, incibilika ku-ethanol ne-ether. Isixazululo esinamanzi sine-alkaline. Inobuthi futhi iyacasula kakhulu.
Ingatholwa ngokuphendula i-ethanol ne-ammonia phambi kwe-hydrogen ku-reactor efakwe i-copper-nickel-clay catalyst ngaphansi kwezimo zokushisisa (190±2°C no-165±2°C). Ukusabela kuzophinde kukhiqize i-monoethylamine ne-diethylamine. Ngemuva kokujiya, umkhiqizo ufuthwa nge-ethanol futhi udonswe ukuze uthole i-triethylamine engahluziwe. Ekugcineni, ngemva kokuhlukaniswa, ukuphelelwa amanzi emzimbeni kanye nokuhlukaniswa, i-triethylamine ehlanzekile iyatholakala.
I-Triethylamine ingasetshenziswa njenge-solvent kanye nezinto ezingavuthiwe embonini ye-organic synthesis, futhi isetshenziselwa ukwakhiwa kwemithi, izibulala-zinambuzane, ama-polymerization inhibitors, amafutha anamandla amakhulu, ama-rubberizers, njll.
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I-Chloroacetone CAS: 78-95-5
I-Chloroacetone CAS: 78-95-5
Ukubukeka kwawo kuwuketshezi olungenambala olunephunga elimnandi. Incibilika emanzini, i-ethanol, i-ether ne-chloroform. Isetshenziswa ku-organic synthesis ukulungisa izidakamizwa, izibulala-zinambuzane, izinongo namadayi, njll.
Kunezindlela eziningi zokuhlanganiswa kwe-chloroacetone. Indlela ye-acetone chlorination okwamanje iyindlela enkulu esetshenziswa ekukhiqizeni ekhaya. I-Chloroacetone itholakala ngokugcoba i-acetone phambi kwe-calcium carbonate, i-ejenti ebopha i-asidi. Engeza i-acetone ne-calcium carbonate ku-reactor ngokwesilinganiso esithile sokudla, gqugquzela ukwakha udaka, nokushisa ku-reflux. Ngemva kokumisa ukushisa, dlulisela igesi ye-chlorine cishe amahora angu-3 kuya kwangu-4, bese wengeza amanzi ukuze uncibilikise i-calcium chloride ekhiqiziwe. Ungqimba lwamafutha luyaqoqwa, bese luyagezwa, luphelelwe amanzi emzimbeni, futhi lugaywe ukuze kutholwe umkhiqizo we-chloroacetone.
Isitoreji kanye nezici zokuhamba ze-chloroacetone
Indawo yokugcina impahla ingena umoya futhi yomiswe ekushiseni okuphansi; ivikelwe emalangabini avulekile kanye namazinga okushisa aphezulu, futhi igcinwa futhi ihanjiswe ngokuhlukana nezinto ezingavuthiwe zokudla kanye nama-oxidants.
Izimo zokugcina: 2-8°C -
I-Propylene glycol CAS:57-55-6
Igama lesayensi le-propylene glycol lithi "1,2-propanediol". I-racemate iwuketshezi lwe-hygroscopic viscous olunokunambitheka okubaba kancane. Iyaxubeka emanzini, i-acetone, i-ethyl acetate ne-chloroform, futhi inyibilika ku-ether. Incibilika emafutheni amaningi abalulekile, kodwa ayihlangani ne-petroleum ether, upharafini namafutha. Iyazinza ekushiseni nasekukhanyeni, futhi izinzile emazingeni okushisa aphansi. I-Propylene glycol ingafakwa i-oxidized ibe yi-propionaldehyde, i-lactic acid, i-pyruvic acid ne-acetic acid emazingeni okushisa aphezulu.
I-Propylene glycol iyi-diol futhi inezindawo zotshwala obujwayelekile. Ihlangana nama-asidi e-organic kanye nama-asidi angaphili ukukhiqiza ama-monoester noma ama-diester. Isabela nge-propylene oxide ukuze ikhiqize i-ether. Isabela nge-hydrogen halide ukukhiqiza ama-halohydrin. Isabela nge-acetaldehyde yakhe i-methyldioxolane.
Njenge-agent ye-bacteriostatic, i-propylene glycol ifana ne-ethanol, futhi ukusebenza kwayo ekuvimbeleni isikhunta kufana ne-glycerin futhi iphansi kancane kune-ethanol. I-Propylene glycol ivame ukusetshenziswa njenge-plasticizer ezintweni zokumboza ifilimu enamanzi. Ingxube yezingxenye ezilinganayo ngamanzi ingabambezela i-hydrolysis yezidakamizwa ezithile futhi yandise ukuzinza kwamalungiselelo.
Uketshezi olumunca amanzi olungenambala, olubonakalayo noluzinzile, olucishe lunambithe futhi alunaphunga. Ixubene namanzi, i-ethanol nezinyibilikisi ezihlukahlukene eziphilayo. Isetshenziswa njengempahla eluhlaza yama-resin, ama-plasticizers, ama-surfactants, ama-emulsifiers nama-demulsifiers, kanye ne-antifreeze kanye nezithwali zokushisa.
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I-Benzoic acid CAS: 65-85-0
I-Benzoic acid, eyaziwa nangokuthi i-benzoic acid, inefomula yamangqamuzana engu-C6H5COOH. I-asidi enamakha elula kakhulu lapho iqembu le-carboxyl lixhunywe khona ngokuqondile ne-carbon athomu yeringi ye-benzene. Kuyinhlanganisela eyakhiwe ngokufaka i-hydrogen eringini ye-benzene neqembu le-carboxyl (-COOH). Ayinambala, amakristalu acwebile angenaphunga. Iphuzu elincibilikayo lingu-122.13℃, indawo yokubilisa ngu-249℃, kanti ukuminyana okuhlobene ngu-1.2659 (15/4℃). Yehlisa ngokushesha ku-100°C, futhi umhwamuko wayo uyacasula kakhulu futhi ungabangela ukukhwehlela kalula ngemva kokuhogela. Incibilika kancane emanzini, incibilika kalula kuzincibilikisi eziphilayo njenge-ethanol, i-ether, i-chloroform, i-benzene, i-toluene, i-carbon disulfide, i-carbon tetrachloride ne-pine Chemicalbook ukonga uphethiloli. Itholakala kabanzi ngokwemvelo ngesimo se-asidi yamahhala, i-ester noma okuphuma kuyo. Isibonelo, ikhona ngesimo se-asidi yamahhala ne-benzyl ester ku-benzoin gum; ikhona efomini yamahhala emaqabunga nesiqu segxolo lezinye izitshalo; ikhona kuphunga Ikhona ngesimo se-methyl ester noma i-benzyl ester emafutheni abalulekile; ikhona ngesimo se-hippuric acid ephuma kumchamo wehhashi. I-Benzoic acid iyi-asidi ebuthakathaka, enamandla kunama-fatty acids. Zinezici ezifanayo zamakhemikhali futhi zingakha usawoti, ama-esters, ama-asidi halides, ama-amide, ama-anhydride ane-asidi, njll., futhi awafakwa kalula i-oxidized. Ukusabela kwe-electrophilic substitution kungenzeka eringini ye-benzene ye-benzoic acid, ikakhulukazi ukukhiqiza imikhiqizo eshintshwayo ye-meta.
I-Benzoic acid ivame ukusetshenziswa njengesidakamizwa noma isilondolozi. Inomphumela wokuvimbela ukukhula kwesikhunta, amagciwane kanye nesikhunta. Uma isetshenziselwa ukwelapha, ngokuvamile isetshenziswa esikhumbeni ukwelapha izifo zesikhumba ezifana nezikelemu. Isetshenziswa kuma-synthetic fibers, ama-resin, ama-coatings, irabha nezimboni zikagwayi. Ekuqaleni, i-benzoic acid yakhiqizwa yi-carbonization ye-benzoin gum noma i-hydrolysis yencwadi yamakhemikhali ngamanzi ane-alkali. Ingabuye ikhiqizwe yi-hydrolysis ye-hippuric acid. Ngokwezimboni, i-benzoic acid ikhiqizwa i-air oxidation ye-toluene phambi kwama-catalysts afana ne-cobalt ne-manganese; noma ikhiqizwa i-hydrolysis kanye ne-decarboxylation ye-phthalic anhydride. I-Benzoic acid kanye nosawoti wayo we-sodium ingasetshenziswa njengama-antibacterial e-latex, umuthi wokuxubha amazinyo, ujamu noma okunye ukudla, futhi ingasetshenziswa njengama-mordants ukudaya nokuphrinta. -
I-Ethyl N-acetyl-N-butyl-β-alaninate CAS:52304-36-6
I-BAAPE iyi-spectrum ebanzi, ephumelela kakhulu ekuxosheni izinambuzane exosha izimpukane, izintwala, izintuthwane, omiyane, amaphela, ama-midges, izibawu, amazeze ayisicaba, amazeze esanti, ama-sand midges, sandflies, cicadas, njll. umphumela wawo wokuxosha uhlala isikhathi eside futhi ungasetshenziswa ezimweni zezulu ezahlukene. Iqinile ngamakhemikhali ngaphansi kwezimo zokusetshenziswa futhi inokuqina okuphezulu kokushisa nokumelana nokujuluka okuphezulu. I-BAAPE inokuhambisana okuhle nezimonyo ezisetshenziswa kakhulu kanye nemithi. Ingenziwa ibe yizixazululo, ama-emulsions, amafutha okugcoba, ama-coatings, ama-gel, ama-aerosols, amakhoyili omiyane, ama-microcapsules kanye neminye imithi ekhethekile yokuxosha, futhi ingangezwa kweminye imikhiqizo. Noma ezintweni (njengamanzi asendlini yangasese, amanzi axosha omiyane), ukuze abe nomthelela wokuxosha.
I-BAAPE inobuhle bokungabi nemiphumela emibi enobuthi esikhumbeni kanye nolwelwesi lwamafinyila, akukho ukungezwani komzimba nezinto ezithile, futhi akukho ukungena kwesikhumba.
Izakhiwo: Uketshezi olukhanyayo olungenambala kuya kokuphuzi olukhanyayo, into enhle kakhulu yokuxosha omiyane. Uma kuqhathaniswa nesinqamuleli somiyane esijwayelekile (i-DEET, esivame ukwaziwa ngokuthi i-DEET), sinezici eziphawulekayo zobuthi obuphansi, ukucasuka okuncane, kanye nesikhathi eside sokuxosha. , umkhiqizo ofanele oshintshwayo wemithi ejwayelekile yokuxosha omiyane.
I-water-soluble repellent (BAAPE) ayisebenzi kahle kune-DEET yendabuko ekuxosheni omiyane. Kodwa-ke, uma kuqhathaniswa, i-DEET (IR3535) iyacasula kancane futhi ayinakho ukungena kwesikhumba.
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I-2-Methoxyethanol CAS 109-86-4
I-Ethylene glycol monomethyl ether (efushanisiwe ngokuthi i-MOE), eyaziwa nangokuthi i-ethylene glycol methyl ether, iwuketshezi olungenambala futhi olusobala, oluxubene namanzi, utshwala, i-acetic acid, i-acetone ne-DMF. Njengesixazululi esibalulekile, i-MOE isetshenziswa kabanzi njengesixazululi samafutha ahlukahlukene, ama-cellulose acetates, ama-nitrate e-cellulose, odayi abancibilika ngotshwala kanye nama-synthetic resins.
Itholakala ngokusabela kwe-ethylene oxide ne-methanol. Faka i-methanol ku-boron trifluoride ether complex, futhi udlule ku-ethylene oxide ku-25-30°C ngenkathi ushukumisa. Ngemva kokuqedwa kokudlula, izinga lokushisa likhuphuka ngokuzenzakalelayo libe ngu-38-45°C. Isixazululo sokusabela esiwumphumela siphathwa nge-potassium hydrocyanide- Neutralize isixazululo se-methanol sibe pH=8-Chemicalbook9. Phinda uthole i-methanol, uyidilize, bese uqoqa izingxenyana ngaphambi kuka-130°C ukuze uthole umkhiqizo ongahluziwe. Bese wenza i-fractional distillation, bese uqoqa ingxenyenamba engu-123-125°C njengomkhiqizo oqediwe. Emkhiqizweni wezimboni, i-ethylene oxide ne-anhydrous methanol isabela ekushiseni okuphezulu nokucindezela ngaphandle kwe-catalyst, futhi umkhiqizo okhiqiza kakhulu ungatholakala.
Lo mkhiqizo usetshenziswa njenge-solvent yamafutha ahlukahlukene, i-lignin, i-nitrocellulose, i-cellulose acetate, odayi abancibilika ngotshwala kanye nama-synthetic resins; njenge-reagent yokunqunywa kwe-iron, i-sulfate ne-carbon disulfide, njenge-diluent ye-coatings, ne-cellophane. Kuma-package sealers, ama-varnishes omisa ngokushesha nama-enamel. Ingasetshenziswa futhi njenge-ejenti yokungena kanye ne-ejenti yokulinganisa embonini kadayi, noma njenge-plasticizer kanye ne-brightener. Njengesiphakathi ekukhiqizeni izinhlanganisela eziphilayo, i-ethylene glycol monomethyl ether isetshenziswa kakhulu ekuhlanganiseni i-acetate ne-ethylene glycol dimethyl ether. Kuphinde kube yi-Chemicalbook impahla eluhlaza yokukhiqizwa kwe-bis(2-methoxyethyl)phthalate plasticizer. Ingxube ye-ethylene glycol monomethyl ether ne-glycerin (i-ether: glycerin = 98:2) iyisengezo se-fuel jet yezempi engavimbela ukugqwala nokugqwala kwebhaktheriya. Uma i-ethylene glycol monomethyl ether isetshenziswa njenge-ejenti ye-jet fuel antisizing, inani elijwayelekile lokwengezwa ngu-0.15% ± 0.05%. Ine-hydrophilicity enhle. Isebenzisa iqembu layo le-hydroxyl kuphethiloli ukuze ihlanganyele nenani elincane lama-molecule amanzi kuwoyela. Ukwakheka kwe-hydrogen bond association, kuhambisana nendawo yayo yokuqanda ephansi kakhulu, kwehlisa indawo eqandisela amanzi emafutheni, okuvumela amanzi adlulele eqhweni. I-Ethylene glycol monomethyl ether nayo iyisengezo esilwa namagciwane.
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I-1,4-Butanediol diglycidyl ether CAS 2425-79-8
I-1,4-Butanediol glycidyl ether, eyaziwa nangokuthi i-1,4-butanediol dialkyl ether noma i-BDG, iyinhlanganisela yezinto eziphilayo. Iwuketshezi olungenambala ukuya kokuphuzi olukhanyayo olunokuqina okuphansi. Incibilika kuzincibilikisi eziningi eziphilayo njenge-ethanol, i-methanol ne-dimethylformamide. Isetshenziswa kabanzi njengezinto zokusetshenziswa zamakhemikhali nezincibilikisi. Ibuye isetshenziswe njenge-stabilizer yamadayi nama-pigments.
I-1,4-Butanediol glycidyl ether ingakhiqizwa nge-esterification ye-1,4-butanediol nge-methanol noma isixazululo se-methanol. Izimo zokusabela ngokuvamile zenziwa ngaphansi kwengcindezi ephezulu futhi phambi kwe-catalyst.
Uma usebenzisa i-1,4-butanediol glycidyl ether, kufanele kuqashelwe ukuvimbela ukuthintana nesikhumba namehlo. Ngesikhathi sokusetshenziswa nokugcinwa, izinga lokushisa eliphezulu kanye nemithombo yomlilo kufanele kugwenywe. Kufanele kuqashelwe ukuvalwa kweziqukathi zokugcina ukuvimbela ukuhwamuka nokuvuza. -
I-Diethanolamine CAS: 111-42-2
I-Ethanolamine EA ingumkhiqizo obaluleke kakhulu ku-ethanol, okuhlanganisa i-monoethanolamine MEA, i-diethanolamine DEA kanye ne-triethanolamine TEA. I-Ethanolamine iyisithako esibalulekile se-organic, esisetshenziswa kabanzi kuma-surfactants, okokuhlanza okokwenziwa, izithasiselo ze-petrochemical, i-synthetic resin kanye namapulasitiki enjoloba, ama-accelerator, ama-vulcanizing agents kanye nama-foaming agents, kanye nokuhlanzwa kwegesi, i-antifreeze ewuketshezi, Ukuphrinta nokudaya, imithi yokwakha, izibulala-zinambuzane, , imboni yezempi kanye neminye imikhakha. Imikhiqizo engaphansi kwe-ethanolamine iyinhlanganisela yamakhemikhali abalulekile.
I-Diethanolamine, eyaziwa nangokuthi i-bishydroxyethylamine kanye ne-2,2′-iminobisethanol, iyikristalu emhlophe noma uketshezi olungenambala olune-hygroscopicity eqinile. Incibilika kalula emanzini, i-methanol, i-ethanol, i-acetone ne-benzene. Ukunyibilika kwayo (g/100g) ku-benzene ku-25°C kungu-4.2 futhi ku-ether kungu-0.8. Inhloso yaso yilokhu: isihlanzi segesi, esingamunca amagesi e-Chemicalbook acidic kugesi, njenge-carbon dioxide, i-hydrogen sulfide, i-sulfur dioxide, njll. Isixazululo se-"Benfield" esisetshenziswa embonini ye-synthetic ammonia sakhiwe ngokuyinhloko yilo mkhiqizo; iphinde isetshenziselwe emulsification. Ama-ejenti, okokugcoba, ama-shampoos, ama-thickeners, njll.; i-organic synthesis intermediates, esetshenziselwa ukukhiqiza izinto zokusetshenziswa zokuhlanza, izigcina-mvelo namakhemikhali ansuku zonke (njengama-surfactants); ukwakheka kwe-morpholine.
I-Diethanolamine isetshenziswa njengempahla eluhlaza yama-buffers embonini yezemithi. Isetshenziswa njenge-ejenti yokuxhumanisa ekukhiqizeni i-polyurethane foam ephezulu yokuqina. Ixutshwe ne-triethanolamine njengesihlanzi samapiston enjini yendiza. Ihlangana nama-fatty acids akhe ama-alkyl alkyls. Ibuye isetshenziswe ezintweni zokusetshenziswa ze-organic Synthetic, izinto zokusetshenziswa zama-surfactants I-Chemicalbook ne-acid gas absorbers, esetshenziswa njengama-thieners nama-modifiers amagwebu kuma-shampoos nezihlanzi ezikhanyayo, njengeziphakathi embonini ye-organic synthesis, kanye nasembonini yezemithi. Njenge-solvent, isetshenziswa kabanzi embonini yokuwasha, embonini yezimonyo, ezolimo, embonini yezokwakha kanye nemboni yensimbi.
