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N-Methylformamide (NMF) CAS: 123-39-7
N-Methylformamide (NMF) CAS: 123-39-7
I-N-methylformamide esulungekileyo lulwelo olungenambala, olungafihliyo kunye ne-viscous, mp-3.8℃, bp198℃, n25D 1.4310, ingxinano eyi-0.9986 (25℃), enyibilikayo emanzini, inokunyibilikisa iityuwa ze-inorganic, kwaye i-hygroscopic. Ukubola ngokulula kwizisombululo ze-asidi okanye ze-alkaline.
I-N-methylformamide yinto ebalulekileyo ye-organic synthetic ekrwada. Isetyenziswe kwi-synthesis ye-pesticides, i-insecticides kunye ne-acaricides i-monoformamidine kunye ne-diformamidine. Ikwasetyenziswa kwimveliso yamayeza, ufele olwenziweyo, ufele olwenziweyo, kunye nanjengento enyibilikayo kwiilaphu zemichiza yefiber. .
Indlela yokuvelisa 1. Indlela ye-methylamine iveliswa ngokusabela kwe-methylamine kunye ne-carbon monoxide. 2. Indlela ye-Methyl formate ifunyenwe ngokuphendula kwe-methyl formate kunye ne-methylamine. 3. Ifunyenwe kwi-reaction ye-ethyl formate kunye ne-methylamine. Yongeza i-ethyl formate kwi-reactor, yongeza isisombululo se-methylamine samanzi phantsi kokupholisa, kwaye uphendule impendulo kwi-40 ° C. Emva koko yashiywa iintsuku ezi-3, kwaye i-ethanol yafunyanwa phantsi koxinzelelo oluncitshisiweyo lokufumana imveliso ekrwada. Imveliso egqityiweyo ifunyenwe nge-distillation phantsi koxinzelelo oluncitshisiweyo.
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I-3-Dimethylaminopropylamine CAS: 109-55-7
I-Diamine yiklasi ebalulekileyo yezinto zekhemikhali ezisetyenziswa ngokubanzi njengezinto eziluhlaza, iziphakathi okanye iimveliso. Ngokomzekelo, i-diamine yinxalenye ebalulekileyo yolwakhiwo kwi-synthesis ye-polyamide kunye nezinye iimpendulo ze-polymerization ye-condensation. I-N, N-dimethyl-1Chemicalbook, i-3-diaminopropane (DMPA) yinto ebalulekileyo ephakathi, esetyenziselwa umzekelo ekulungiseleleni i-industrial lubricant. Ukongeza, i-DMPA isetyenziswa njengento ekrwada yokulungiselela i-coagulants kwaye ngokwayo kufuneka ibe neempawu ze-Anti-corrosion.
Lulwelo olungenambala olucacileyo. Inyibilika emanzini nakwizinyibilikisi eziphilayo. Isetyenziswa kakhulu ekwenzeni izinto zokuthambisa, ezifana nepalmitamide dimethylpropylamine, cocamidopropyl betaine, i-mink oil amidopropylamine, njl.
Ukusebenzisa i-dimethylaminopropionitrile [1738-25-6] njengento eluhlaza, i-hydrogenation kunye ne-methanol yongezwa phambi kwe-Ni-Al catalyst, kwaye ihlulwe kwaye ihlanjululwe ukuze ifumane umkhiqizo ogqityiweyo we-3-dimethylaminopropylamine. Ukucoceka kwemveliso efunyenweyo kunokufikelela ngaphezu kwe-99%, kwaye itoni nganye yemveliso idla i-1150kg ye-dimethylaminopropionitrile. -
I-2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
I-N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl) amino) ethanol) lulwelo olumthubi olukhanyayo kunye nedayi ephakathi. Isetyenziselwa ukuvelisa idayi zecationic, ezifana ne-cationic ebomvu 6B. Ikwasetyenziswa njengento ekrwada kwimveliso yabaphuhlisi bemibala kunye namayeza.
Ukusetyenziswa: 1. Idayi ephakathi.
Okwesibini, isetyenziselwa ukuvelisa idayi ze-cationic, ezifana ne-cationic ebomvu 6B.
3. Isetyenziswe njengezinto eziluhlaza kwimveliso yabaphuhlisi bemibala kunye namayeza.
indlela yokuvelisa
1. indlela ye-m-toluidine
Ilungiswa ukusuka kwi-m-toluidine kunye ne-ethyl iodide njengezinto eziluhlaza.
Ezimbini, indlela ye-N-ethyl m-toluidine
Ilungiswa ngokusebenzisa i-N-ethyl m-toluidine njengento ekrwada kwaye isabela nge-chloroethanol (okanye i-ethylene oxide).
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N, N-Dimethylformamide CAS 68-12-2
I-Dimethylformamide lulwelo olungenambala noluselubala. Ayisiyo kuphela imveliso yeekhemikhali esetyenziswa ngokubanzi, kodwa kunye ne-solvent egqwesileyo enoluhlu olubanzi losetyenziso. I-Dimethylformamide yinto ebalulekileyo ekrwada kumayeza, i-petrochemical, isikhumba kunye namanye amashishini.
I-Dimethylformamide ibizwa ngokuba yi-DMF. Yikhompawundi apho iqela le-hydroxyl le-asidi ye-formic ithathelwa indawo yiqela le-dimethylamino, kunye ne-molecular formula HCON (CH3) 2. Lulwelo olungenambala noluselubala oluphezulu olubilisayo olunevumba le-amine elikhanyayo kunye noxinzelelo olumalunga ne-0.9445 (25℃). Indawo yokunyibilika -61℃. Indawo yokubilisa 152.8℃. Indawo edanyazayo 57.78℃. Ukuxinana komphunga 2.51. Uxinzelelo lomphunga 0.49kpa (3.7mmHg25℃). Indawo yokuziqhelanisa yi-445℃. Umda wokudubula komphunga nomoya yi-2.2 ~ 15.2%. Ukutyhileka kumadangatye avulekileyo kunye nobushushu obuphezulu kunokubangela ukutsha kunye nogqabhuko-dubulo. Inokusabela ngobundlobongela kunye ne-asidi ye-sulfuric egxininisiweyo kunye ne-asidi ye-nitric evuthayo kwaye ide iqhume. Iyaxubana namanzi kunye nezinyibilikisi ezininzi ze-organic Chemicalbook. Sisinyibilikisi esixhaphakileyo sokwenza imichiza. I-dimethylformamide ecocekileyo ayinayo ivumba, kodwa ibakala leshishini okanye i-dimethylformamide eyonakeleyo inevumba lentlanzi kuba iqulethe ukungcola kwe-dimethylamine. Eli gama livela kwinto yokuba liyi-dimethyl endaweni ye-formamide (i-amide ye-asidi ye-formic), kwaye omabini amaqela e-methyl abekwe kwi-atom ye-N (nitrogen). I-Dimethylformamide i-polar (i-hydrophilic) i-solvent ye-aprotic enendawo yokubilisa ephezulu, enokukhuthaza indlela yokuphendula ye-SN2. I-Dimethylformamide yenziwe nge-asidi ye-formic kunye ne-dimethylamine. I-Dimethylformamide ayizinzile (ingakumbi kumaqondo okushisa aphezulu) phambi kweziseko ezinamandla ezifana ne-sodium hydroxide okanye i-acids eqinile njenge-hydrochloric acid okanye i-sulfuric acid, kunye ne-hydrolyzes kwi-formic acid kunye ne-dimethylamine.
Izinzile kakhulu emoyeni kwaye xa ifudunyezwa ukubilisa. Xa iqondo lobushushu lingaphezulu kwe-350°C, lilahlekelwa ngamanzi kwaye livelise i-carbon monoxide kunye ne-dimethylamine. I-N, i-N-dimethylformamide sisinyibilikisi se-aprotic esihle kakhulu esinokunyibilikisa izinto ezininzi eziphilayo kunye ne-inorganic kwaye zixutywa ngamanzi, i-alcohols, i-aldehydes, i-ketones, i-esters, i-halogenated hydrocarbons kunye ne-hydrocarbons enuka kamnandi. . Isiphelo esichajiwe kakuhle se-N, N-dimethylformamide molekyuli sijikelezwe ngamaqela e-methyl, senza umqobo we-Chemicalbook wesithuba esithintela ii-ion ezingalunganga ukuba zisondele kwaye zidibanise kuphela ii-ion ezintle. Iianion ezingenanto zisebenza kakhulu kunee-anion ezisonjululweyo. Iimpendulo ezininzi ze-ionic kulula ukuzisebenzisa kwi-N,N-dimethylformamide kunezinyibilikisi zeprotic ngokubanzi. Ngokomzekelo, ii-carboxylates kunye ne-halogenated hydrocarbons zisabela kwi-N, N-dimethylformamide kwiqondo lokushisa. , inokuvelisa i-esters kunye nezivuno eziphezulu, kwaye ilungele ngokukodwa ukuhlanganiswa kwee-esters ezithintelwe ngokungqongqo.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Ulwelo olungenambala ukuya kumthubi. Inevumba elikhethekileyo. Inyibilika kancinci emanzini, inyibilika kwizinyibilikisi eziphilayo ezifana ne-ethanol, i-ether, ikloroform kunye nebenzene. Ithathwe kwi-reaction ye-aniline kunye ne-ethyl chloride. I-quota yokusetyenziswa kwezinto eziluhlaza: i-aniline 645kg / t, i-ethyl chloride (95%) 1473kg / t, i-caustic soda (42%) 1230kg / t, i-phthalic anhydride 29kg / t.
Ingasetyenziselwa ukulungiselela i-azo dyes, i-triphenylmethane dyes, njl njl. Kwakhona ingundoqo ebalulekileyo yokudibanisa iziyobisi kunye nabaphuhlisi befilimu yombala, kwaye ukusetyenziswa kwayo kubanzi kakhulu.
Ukugcinwa : Indawo yokugcina ingena umoya kwaye yomiswe kwiqondo lokushisa eliphantsi; zigcinwe ngokwahlukileyo kwiiasidi, ii-oxidants kunye nezongezo zokutya. -
I-Polyethylene-polyamines CAS: 68131-73-7
I-Polyethylene-polyamines CAS: 68131-73-7
Imbonakalo Orange-bomvu ukuya kulwelo viscous brown.
Ukusetyenziswa: Isetyenziselwa ukwenza i-anion exchange resin, i-ion exchange membrane, i-demulsifier yeoli ekrwada, i-lubricating oil additive, njl njl. Ikwasetyenziswa njenge-epoxy resin yokunyanga i-agent kunye ne-cyanide-free plating additive.
I-Solubility: i-solubility emanzini kunye ne-ethanol, i-ether enganyibilikiyo, ithatha kalula ukufuma kunye ne-carbon dioxide emoyeni, kwaye ifake iityuwa ezihambelanayo kunye ne-acids, eziya kuqina kwiqondo lokushisa eliphantsi.
Kulula kakhulu ukugqabhuka xa ichaphazeleka, ukukhuhlana, amadangatye avulekileyo okanye eminye imithombo yokutshisa. Gcina kwindawo epholileyo, eyomileyo nengena moya enikezelwe kwiziqhushumbisi. Iqondo lobushushu logcino alidluli kuma-32°C kwaye ukufuma okuhambelanayo akudluli kwi-80%. Zigcine kude nomlilo kunye nemithombo yobushushu. Kufuneka zigcinwe ngokwahlukileyo kwi-oxidants, i-acids, kunye ne-alkali, kwaye zigweme ukugcinwa okuxubileyo. Ixhotyiswe ngeentlobo ezifanelekileyo kunye nobuninzi bezixhobo zomlilo. Izinto ezifanelekileyo kufuneka zifumaneke kwindawo yokugcina ukuze iqulethe ukuchithwa. Akukho vibration, impembelelo kunye nokukhuhla.
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Ethylenediaminetetraacetic acid CAS: 60-00-4
Ethylenediaminetetraacetic acid CAS: 60-00-4
iimpawu zeekhemikhali
Le mveliso ikhazimla ngaphandle kwamanzi njengomgubo omhlophe. Ukunyibilika emanzini kwi-25℃ yi-0.5g/L. Ukunganyibiliki emanzini abandayo, utywala kunye nezinyibilikisi eziqhelekileyo eziphilayo. I-soluble kwi-sodium hydroxide, i-sodium carbonate kunye nezisombululo ze-ammonia.
Indlela yokuvelisa:
Ukusabela kwe-ethylenediamine kunye ne-chloroacetic acid. Yongeza i-100kg ye-chloroacetic acid, i-100kg yomkhenkce kunye ne-135kg yesisombululo se-sodium hydroxide (30%) kwi-reaction kettle, kwaye wongeze i-18kg ye-83% ukuya kwi-84% ye-ethylenediamine phantsi kokuxutywa. Fudumeza kwi-15 ° C ngeyure enye. Yongeza i-30Chemicalbook% isisombululo se-sodium hydroxide kwiibhetshi ze-10L ngexesha ngalinye. Emva kokongezwa nganye, yongeza enye ibhetshi emva kokuba isisombululo sovavanyo lwe-phenolphthalein singabonakali obomvu. Gcina kwiqondo lokushisa kwe-12h. Fudumeza ukuya kwi-90 ° C kwaye uguqule umbala ngekhabhoni esebenzayo. Hlunga, hlamba intsalela yokucoca ngamanzi, kwaye ekugqibeleni ulungise ixabiso le-pH ukuya kwi-3 kunye ne-concentrated hydrochloric acid. Pholisa kwaye ucwebezelise, hluza kwaye uhlambe ngamanzi de kungabikho reaction ion chloride. Iimveliso ezomileyo.
Ukusabela kwe-ethylenediamine kunye ne-formaldehyde kunye ne-sodium cyanide. Hlanganisa i-60% ye-ethylenediamine isisombululo se-aqueous, i-30% ye-sodium cyanide isisombululo se-aqueous kunye ne-sodium hydroxide, kwaye ugcine umxube kwi-20 ° C nge-0.5h. Emva koko yongeza isisombululo se-formaldehyde emanzini. Emva kokusabela, i-chemicalbook yachithwa kwaye amanzi aphelile. Emva koko phinda lo msebenzi ungentla, wongeza i-formaldehyde engaphezulu okokugqibela ukuvumela i-sodium cyanide ukuba isabele ngokupheleleyo. Lungisa i-pH kwi-1.2 kunye ne-asidi edibeneyo. Imvula emhlophe yana, yahluzwa, yahlanjwa ngamanzi, yomiswa kwi-110°C. Fumana imveliso.
I-Ethylenediaminetetraacetic acid (EDTA) yinto ebalulekileyo yokudibanisa. I-EDTA isetyenziswa kakhulu kwaye inokusetyenziswa njenge-blekning fixative ekusetyenzweni kwezixhobo ze-photosensitive zemibala, izinto ezincedisayo zokudaya, ii-fiber processing axiliaries, izongezo ze-cosmetic, ii-anticoagulants zegazi, ii-detergents, izizinzi, i-synthetic rubber polymerization initiator, i-EDTA yi-chelate Representative substances ye-mixed. Inokwenza iikhompleksi zeekhemikhali ezinyibilikayo ezizinzileyo zamanzi ezineentsimbi zealkali, izinto ezinqabileyo zomhlaba kunye neentsimbi eziguqukayo. Ukongeza kwiityuwa zesodium, kukho iityuwa ze-ammonium kunye neetyuwa ezahlukeneyo ezifana nentsimbi, i-magnesium, i-calcium, ithusi, i-manganese, i-zinc, i-cobalt kunye ne-aluminium. Nganye kwezi tyuwa inomsebenzi owahlukileyo. Ukongeza, i-EDTA inokusetyenziselwa ukukhupha ngokukhawuleza isinyithi esiyingozi se-radioactive emzimbeni womntu kwaye idlale indima yokukhupha ityhefu. Ikwayiarhente yokucoca amanzi. I-EDTA nayo isalathiso esibalulekileyo, kodwa isetyenziselwa ukuthambisa i-nickel yensimbi, ubhedu, njl njl. Xa isetyenziswe, kufuneka isetyenziswe kunye ne-ammonia ukuze isebenze njengesalathisi. -
I-Disodium edetate dihydrate CAS: 6381-92-6
I-Disodium edetate dihydrate CAS: 6381-92-6
I-Disodium ethylenediaminetetraacetate (ekwabizwa ngokuba yi-disodium EDTA) sisixhobo esinamandla sokutshisa. Ngenxa yokuzinza kwayo okuphezulu kunye neempawu zolungelelwaniso olubanzi, inokuphantse inxibelelane ne-ion ezininzi zetsimbi ngaphandle kweentsimbi zealkali (ezinje ngentsimbi, ubhedu, icalcium, i-magnesium kunye nezinye ii-ion ezininzi) i-chelate ukwenza ii-complexes ezizinzileyo ezinyibilikayo emanzini, eziphelisa i-ion zetsimbi okanye iimpendulo eziyingozi ezibangelwa zizo.
I-Disodium EDTA ngumgubo omhlophe oyikristale onyibilikayo emanzini kwaye phantse awunyibiliki kwi-ethanol kunye ne-ether. Ixabiso le-pH yesisombululo sayo samanzi malunga ne-5.3 kwaye isetyenziswe kwi-detergents, i-dayi encedisayo, i-fiber processing agents, izongezo ze-cosmetic, izongezo zokutya, i-micro-fertilizers yezolimo kunye ne-Mariculture, njl.
I-disodium ethylenediaminetetraacetate isetyenziselwa ukutya, amayeza, izimonyo kunye nezinye iimveliso. Ukutya-grade disodium ethylenediaminetetraacetate ingasetyenziswa njenge-stabilizer, i-coagulant, i-antioxidant kunye ne-preservative, kwaye inokukhusela umbala kunye nokuxhathisa i-oxidation. , i-anti-corrosion synergy kunye nefuthe lokuzinzisa. -
I-sodium edetate CAS: 64-02-8
I-sodium edetate CAS: 64-02-8
I-Ethylenediaminetetraacetic acid (EDTA) iqulethe i-4 amaqela e-carboxyl kwaye inokwenza ngokubanzi i-disalt, i-trisalt kunye ne-tetrasalt. Iityuwa ze-EDTA eziqhelekileyo ziquka i-disodium ethylenediaminetetraacetate (EDTA-2Na), i-tetrasodium ethylenediaminetetraacetate (EDTA-4Na), i-dipotassium ethylenediaminetetraacetate (EDTA-2K) kunye ne-ethylenediaminetetraacetic acid. I-Tripotassium (EDTA-3K). I-Tetrasodium ethylenediaminetetraacetate (EDTA-4Na) yimolekyuli encinci ye-organic esebenzayo equlethe amaqela e-amino kunye ne-carboxyl. Isetyenziswa ngokubanzi kwi-chemistry yohlalutyo njenge-agent enzima.
ubume bekhemikhali: Umgubo omhlophe wekristale. Inyibilika emanzini kunye neasidi, ayinyibiliki etywaleni, benzene kunye nekloroform.
I-Tetrasodium EDTA yi-agent eyinkimbinkimbi ebalulekileyo kunye ne-metal masking agent. Ingasetyenziselwa ukudaya kwishishini le-textile, unyango lomgangatho wamanzi, umbala we-photosensitivity, iyeza, iikhemikhali zemihla ngemihla, ukwenza iphepha kunye namanye amashishini, njenge-additive, i-activator, isicoci samanzi, i-metallic ion masking agent kunye ne-activator kwishishini lerabha ye-styrene-butadiene. . Kwishishini le-acrylic inkqubo eyomileyo, inokuphelisa ukuphazamiseka kwesinyithi kwaye iphucule umbala kunye nokuqaqamba kwamalaphu adayiweyo. Isenokusetyenziswa kwizicoci zolwelo ukuphucula umgangatho wokuvasa kunye nokuphucula isiphumo sokuhlamba. -
Tris(dimethylaminomethyl)phenol CAS 90-72-2
Tris(dimethylaminomethyl)phenol
I-CAS 90-72-2
Indlela yokuvelisa
Yongeza i-phenol kunye ne-40% ye-dimethylamine isisombululo se-aqueous kwi-kettle yokusabela, ugxobhoze kwaye udibanise ngokulinganayo, uphole ukuya ngaphantsi kwe-20 ° C, ngokucotha ukongeza i-30% yesisombululo se-formaldehyde samanzi phantsi kokuvuselela, kunye nokulawula ukugqiba ukudibanisa ngaphantsi kwe-30 ° C. Qhubeka uvuselela kwi-25-30 ° C ngeyure eli-1, uze uphakamise izinga lokushisa kwi-90-95 ° C kunye ne-reflux ye-2 iiyure. Yongeza ityuwa ukuze uhlukanise isigaba samanzi, kwaye uhlukanise i-oyile ye-oyile yokwahlula phantsi koxinzelelo oluncitshisiweyo lokufumana umkhiqizo ogqityiweyo. Umxholo wemveliso ye-Industrial ungaphezulu kwe-95%.
Imbonakalo: Ulwelo olungenambala okanye olutyheli olukhanyayo. Ukutsha.
Isetyenziswe njenge-ejenti yokunyanga i-thermosetting epoxy resins, i-adhesives, sealants kwi-laminate materials kunye nemigangatho, i-acid neutralizers kunye ne-catalysts kwimveliso ye-polyurethane. -
I-DIETHYLENE TRIAMINE (DETA) 111-40-0
I-DIETHYLENE TRIAMINE (DETA) 111-40-0
indalo
Ulwelo lwehygroscopic transparent transparent viscous kunye nevumba elimnandi leammonia, elinokutsha kunye nealkaline ngamandla. Inyibilika emanzini, i-acetone, ibenzene, i-ether, i-methanol, njl. Indawo yokunyibilika -35℃. Indawo yokubilisa 207℃. Ukuxinana okuzalanayo o. 9586. Indawo edanyazayo 94℃. Isalathiso se-refractive 1. 4810. Le mveliso ine-reactivity ye-amines yesibini kwaye isabela ngokulula ngeendlela ezahlukeneyo. I-derivatives yayo inoluhlu olubanzi lokusetyenziswa.
sebenzisa
Le mveliso isetyenziswa kakhulu njenge-solvent kunye ne-organic synthesis intermediate, kwaye ingasetyenziselwa ukulungisa i-epoxy resin curing agents, izicoci zegesi (zokususa i-CO2), izongezo zeoli zokuthambisa, ii-emulsifiers, iikhemikhali zefoto, i-surfactants, kunye ne-ejenti zokugqiba ilaphu. , isiphuculi sephepha, i-aminocarboxylic complexing agent, i-metal chelating agent, i-heavy metal hydrometallurgy kunye ne-cyanide-free electroplating diffusion agent, i-brightener, kunye ne-synthetic ion exchange resin kunye ne-polyamide resin, njl. -
N, N-dimethylethanolamine CAS: 108-01-0
N, N-dimethylethanolamine CAS: 108-01-0
Lulwelo olungenambala nevumba elinukayo. Umda wevumba: 0.25 ppm. Ubunzima beMolekyuli 5 89.16; Indawo yokubilisa =133℃; Ukubanda/Indawo yokunyibilika=259℃; Indawo edanyazayo =41℃ (oc); Ubushushu obuzenzekelayo 5=295℃. Imida yokuqhushumba: LEL 5=1.6%;UEL 5=11.9%. Ukuchongwa kweNgozi (esekelwe kwi-NFPA-704M yokuHlola iNkqubo): Impilo 2, Ukutsha kwe-2, i-Reactivity 0.I-Soluble emanzini.
Ikwabizwa ngokuba yi-dimethylaminoethanol. Uphononongo lubonisa iimpawu zokuqinisa ulusu, kunye nokukwazi ukunciphisa ukubonakala kwemigca emihle kunye nemibimbi kunye nezangqa ezimnyama phantsi kwamehlo. Ithathwa njenge-anti-aging, kunye ne-anti-inflammatory, kwaye ibonise umsebenzi wokutshabalalisa ngokukhululekileyo. Ikwasetyenziswa njenge-corrosion inhibitor, i-anti-scaling agent, i-additive yepeyinti, isongezo sokugquma kunye ne-ejenti yokwahlula izinto eziqinileyo. Ikwasetyenziswa njengendawo ephakathi kwizithako ezisebenzayo zamayeza kunye nedayi. Isebenza njenge-ejenti yokunyanga i-polyurethanes kunye ne-epoxy resins. Ngaphaya koko, isetyenziswa njengesongezo kwibhoyila yamanzi. Ukongeza koku, isetyenziswa ngonyango njenge-CNS stimulant.
