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Ethyl N-acetyl-N-butyl-β-alaninate CAS: 52304-36-6
BAAPE yog ib yam tshuaj tua kab uas muaj ntau yam zoo, thiab nws tua tau yoov, ntshauv, ntsaum, yoov qaib, kab laum, kab laug sab, kab laug sab me me, kab laug sab tiaj tiaj, kab laug sab xuab zeb, kab laug sab xuab zeb, kab laug sab cicadas, thiab lwm yam. Nws muaj zog tua tau yoov; nws cov tshuaj tua kab kav ntev thiab siv tau rau ntau yam huab cua sib txawv. Nws ruaj khov hauv kev siv thiab muaj kev ruaj khov thermal thiab tiv taus hws. BAAPE muaj kev sib raug zoo nrog cov tshuaj pleev ib ce thiab tshuaj siv feem ntau. Nws tuaj yeem ua rau cov tshuaj, emulsions, tshuaj pleev, tshuaj pleev xim, gels, aerosols, tshuaj tua yoov, microcapsules thiab lwm yam tshuaj tua kab tshwj xeeb, thiab kuj tuaj yeem ntxiv rau lwm yam khoom. Los yog hauv cov ntaub ntawv (xws li dej hauv chav dej, dej tua yoov), kom nws muaj zog tua tau yoov.
BAAPE muaj qhov zoo ntawm tsis muaj kev phiv tshuaj lom rau ntawm daim tawv nqaij thiab cov ntaub so ntswg, tsis muaj kev ua xua, thiab tsis muaj kev nkag mus rau hauv daim tawv nqaij.
Cov Khoom: Tsis muaj xim rau cov kua daj daj, yog ib qho tshuaj tua yoov tshaj cum zoo heev. Piv nrog cov tshuaj tua yoov tshaj cum ib txwm muaj (DEET, feem ntau hu ua DEET), nws muaj cov yam ntxwv tseem ceeb ntawm kev lom tsawg dua, tsis khaus ntau, thiab siv sijhawm ntev dua los tua yoov tshaj cum. , yog ib yam khoom zoo tshaj plaws hloov cov tshuaj tua yoov tshaj cum ib txwm muaj.
Cov tshuaj tua yoov uas yaj tau hauv dej (BAAPE) tsis muaj txiaj ntsig zoo li cov tshuaj DEET ib txwm muaj hauv kev tua yoov. Txawm li cas los xij, piv rau cov tshuaj no, DEET (IR3535) tsis ua rau khaus thiab tsis nkag mus rau hauv daim tawv nqaij.
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2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (hu ua MOE), tseem hu ua ethylene glycol methyl ether, yog cov kua tsis muaj xim thiab pob tshab, sib xyaw nrog dej, cawv, acetic acid, acetone thiab DMF. Ua ib qho tshuaj tseem ceeb, MOE yog siv dav ua cov tshuaj rau ntau yam roj, cellulose acetates, cellulose nitrates, cawv-soluble dyes thiab cov khoom siv hluavtaws.
Nws tau txais los ntawm kev sib xyaw ntawm ethylene oxide thiab methanol. Ntxiv methanol rau hauv boron trifluoride ether complex, thiab hla hauv ethylene oxide ntawm 25-30 ° C thaum do. Tom qab ua tiav qhov kev hla, qhov kub nce mus txog 38-45 ° C. Cov tshuaj tiv thaiv tshwm sim yog kho nrog potassium hydrocyanide- Neutralize cov tshuaj methanol rau pH = 8-Chemicalbook9. Rov qab methanol, distill nws, thiab sau cov feem ua ntej 130 ° C kom tau txais cov khoom nyoos. Tom qab ntawd nqa tawm fractional distillation, thiab sau cov feem 123-125 ° C ua cov khoom tiav. Hauv kev tsim khoom lag luam, ethylene oxide thiab anhydrous methanol raug tshuaj tiv thaiv ntawm qhov kub thiab siab tsis muaj catalyst, thiab cov khoom lag luam siab tuaj yeem tau txais.
Cov khoom no siv ua cov kuab tshuaj rau ntau yam roj, lignin, nitrocellulose, cellulose acetate, cov xim yaj hauv cawv thiab cov resins hluavtaws; ua cov tshuaj reagent rau kev txiav txim siab ntawm hlau, sulfate thiab carbon disulfide, ua cov tshuaj diluent rau cov txheej, thiab rau cellophane. Hauv cov khoom ntim khoom, cov varnishes qhuav sai thiab cov enamels. Nws kuj tseem siv tau ua tus neeg sawv cev nkag mus thiab tus neeg sawv cev leveling hauv kev lag luam zas xim, lossis ua cov yas thiab cov xim ci. Ua ib qho nruab nrab hauv kev tsim cov organic compounds, ethylene glycol monomethyl ether feem ntau yog siv hauv kev tsim cov acetate thiab ethylene glycol dimethyl ether. Nws kuj tseem yog cov khoom siv raw Chemicalbook rau kev tsim cov bis (2-methoxyethyl) phthalate plasticizer. Cov sib xyaw ntawm ethylene glycol monomethyl ether thiab glycerin (ether: glycerin = 98: 2) yog cov roj av tub rog uas tuaj yeem tiv thaiv kev icing thiab kev xeb ntawm cov kab mob. Thaum ethylene glycol monomethyl ether siv los ua tus neeg sawv cev tiv thaiv kev loj ntawm cov roj dav hlau, qhov ntxiv feem ntau yog 0.15% ± 0.05%. Nws muaj hydrophilicity zoo. Nws siv nws tus kheej hydroxyl pawg hauv cov roj los cuam tshuam nrog cov dej me me hauv cov roj. Kev tsim cov hydrogen bond association, ua ke nrog nws qhov chaw khov qis heev, txo qhov chaw khov ntawm cov dej hauv cov roj, ua rau cov dej ntws mus rau hauv dej khov. Ethylene glycol monomethyl ether kuj yog ib qho tshuaj tiv thaiv kab mob.
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1,4-Butanediol diglycidyl ether CAS 2425-79-8
1,4-Butanediol glycidyl ether, tseem hu ua 1,4-butanediol dialkyl ether lossis BDG, yog ib qho organic compound. Nws yog ib qho kua tsis muaj xim rau lub teeb daj nrog qhov tsis tshua muaj volatility. Nws yog soluble nyob rau hauv feem ntau cov organic solvents xws li ethanol, methanol thiab dimethylformamide. Feem ntau siv ua cov khoom siv tshuaj raw thiab cov kuab tshuaj. Nws kuj tseem siv ua tus stabilizer rau dyes thiab pigments.
1,4-Butanediol glycidyl ether tuaj yeem tsim los ntawm esterification ntawm 1,4-butanediol nrog methanol lossis methanol kua. Cov xwm txheej tshuaj tiv thaiv feem ntau yog ua tiav hauv qab siab thiab nyob rau hauv qhov muaj cov catalyst.
Thaum siv 1,4-butanediol glycidyl ether, yuav tsum ceev faj kom tsis txhob raug rau daim tawv nqaij thiab qhov muag. Thaum siv thiab khaws cia, yuav tsum tsis txhob kub heev thiab qhov chaw hluav taws. Yuav tsum tau ceev faj txog kev kaw cov thawv cia kom tiv thaiv kev ua pa thiab xau. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA yog cov khoom tseem ceeb tshaj plaws hauv ethanol, suav nrog monoethanolamine MEA, diethanolamine DEA thiab triethanolamine TEA. Ethanolamine yog ib qho tseem ceeb ntawm cov organic intermediates, siv dav hauv surfactants, synthetic detergents, petrochemical additives, synthetic resin thiab roj hmab plasticizers, accelerators, vulcanizing agents thiab foaming agents, nrog rau roj purification, kua antifreeze, Luam ntawv thiab dyeing, tshuaj, tshuaj tua kab, kev tsim kho, kev lag luam tub rog thiab lwm yam teb. Cov khoom lag luam downstream ntawm ethanolamine yog cov tshuaj intermediates zoo tseem ceeb.
Diethanolamine, tseem hu ua bishydroxyethylamine thiab 2,2′-iminobisethanol, yog cov kua dawb lossis tsis muaj xim nrog lub zog hygroscopicity. Nws yooj yim yaj hauv dej, methanol, ethanol, acetone thiab benzene. Nws solubility (g/100g) hauv benzene ntawm 25°C yog 4.2 thiab hauv ether yog 0.8. Nws lub hom phiaj yog: roj purifier, uas tuaj yeem nqus cov pa roj acidic hauv cov roj, xws li carbon dioxide, hydrogen sulfide, sulfur dioxide, thiab lwm yam. Cov kua "Benfield" siv hauv kev lag luam ammonia hluavtaws feem ntau yog tsim los ntawm cov khoom no; nws kuj siv rau emulsification. Cov neeg sawv cev, roj nplua nyeem, tshuaj zawv plaub hau, thickeners, thiab lwm yam; organic synthesis intermediates, siv los tsim cov khoom siv ntxuav, preservatives thiab cov tshuaj txhua hnub (xws li surfactants); synthesis ntawm morpholine.
Diethanolamine siv ua cov khoom siv raw rau cov buffers hauv kev lag luam tshuaj. Nws siv ua tus neeg sawv cev sib txuas hauv kev tsim cov ua npuas polyurethane uas muaj zog heev. Nws sib xyaw nrog triethanolamine ua cov tshuaj ntxuav rau cov pistons cav dav hlau. Nws reacts nrog cov fatty acids los tsim alkyl alkyls. Nws kuj siv rau hauv cov khoom siv organic Synthetic raw, cov khoom siv raw rau surfactants Chemicalbook thiab acid gas absorbers, siv ua cov thickeners thiab foam modifiers hauv cov tshuaj zawv plaub hau thiab cov tshuaj ntxuav lub teeb, ua cov intermediates hauv kev lag luam organic synthesis, thiab hauv kev lag luam tshuaj. Ua cov kuab tshuaj, nws siv dav hauv kev lag luam ntxuav khaub ncaws, kev lag luam tshuaj pleev ib ce, kev ua liaj ua teb, kev lag luam tsim kho thiab kev lag luam hlau.
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2-Acrylamide-2-methylpropanesulfonic acid CAS 15214-89-8
2-Acrylamide-2-methylpropanesulfonic acid (AMPS) yog ib qho vinyl monomer nrog ib pawg sulfonic acid. Nws muaj kev ruaj khov zoo thermal, nrog rau qhov kub thiab txias decomposition txog li 210 ° C, thiab nws cov sodium ntsev homopolymer muaj qhov kub thiab txias decomposition txog li 329 ° C. Hauv cov kua dej, qhov hydrolysis qeeb, thiab cov kua ntsev sodium muaj kev tiv thaiv hydrolysis zoo heev nyob rau hauv cov xwm txheej pH siab. Nyob rau hauv cov xwm txheej acidic, qhov hydrolysis tsis kam ntawm nws cov copolymer yog siab dua li ntawm polyacrylamide. Lub monomer tuaj yeem ua rau hauv cov siv lead ua los yog rau hauv cov kua dej ntawm sodium ntsev. 2-Acrylamide-2-methylpropanesulfonic acid muaj cov khoom zoo complexing, cov khoom adsorption, kev ua haujlwm ntawm lub cev, kev ua haujlwm ntawm qhov chaw, hydrolysis stability thiab thermal stability.
Kev Siv
1. Kev kho dej: Cov homopolymer ntawm AMPS monomer lossis copolymer nrog acrylamide, acrylic acid thiab lwm yam monomers tuaj yeem siv ua tus neeg sawv cev dehydrating sludge hauv cov txheej txheem ntxuav dej phwj tuaj, thiab tuaj yeem siv ua hlau, zinc, txhuas, thiab tooj liab hauv cov kab ke kaw dej. Ib yam li cov tshuaj tiv thaiv xeb rau cov hlau sib xyaw; nws kuj tseem tuaj yeem siv ua cov neeg sawv cev descaling thiab antiscaling rau cov cua sov, cov pej thuam txias, cov tshuab lim cua thiab cov tshuab lim roj.
2. Kev siv tshuaj lom neeg hauv thaj chaw roj: Kev siv cov khoom hauv thaj chaw tshuaj lom neeg hauv thaj chaw roj tab tom loj hlob sai. Qhov ntau thiab tsawg ntawm kev koom tes suav nrog cov tshuaj sib xyaw ua ke ntawm cov roj hauv qhov dej, cov tshuaj kho dej rau kev khawb av, cov kua ua kom acidizing, cov kua tawg, cov kua ua tiav thiab cov tshuaj ntxiv rau cov kua ua haujlwm, thiab lwm yam.
3. Cov xov paj rwb ua los ntawm cov khoom siv hluavtaws: AMPS yog ib qho tseem ceeb monomer uas txhim kho cov khoom siv ntawm qee cov xov paj rwb ua los ntawm cov khoom siv hluavtaws, tshwj xeeb tshaj yog acrylic lossis acrylic fibers. Nws cov tshuaj yog 1% -4% ntawm cov fiber, uas tuaj yeem txhim kho qhov dawb thiab xim ntawm cov fiber. , antistatic, breathable thiab hluav taws kub retardant.
4. Kev ntsuas qhov loj rau cov ntaub: Ib qho copolymer ntawm 2-acrylamido-2-methylpropanesulfonic acid, ethyl acetate, thiab acrylic acid. Nws yog ib qho tshuaj ntsuas qhov loj zoo tshaj plaws rau cov ntaub paj rwb thiab polyester sib xyaw. Nws yooj yim siv thiab yooj yim tshem tawm nrog dej. Nta.
5. Kev ua ntawv: Cov copolymer ntawm 2-acrylamide-2-methylpropanesulfonic acid thiab lwm cov monomers uas yaj hauv dej yog cov tshuaj tseem ceeb rau ntau lub tshuab ntawv. Nws tuaj yeem siv los ua cov khoom siv dej ntws, tus neeg sawv cev ntsuas qhov loj me, thiab ua rau daim ntawv muaj zog thiab tseem ua haujlwm ua cov xim dispersant rau cov xim pleev xim.
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(2-CARBOXYETHYL) DIMETHYLSULFONIUM CHLORIDE CAS: 4337-33-1
DMPT yog cov tshuaj uas zoo tshaj plaws rau cov tsiaj hauv dej tiam plaub uas nrhiav tau txog tam sim no. Ib txhia neeg siv lo lus "ntses tom pob zeb" los piav qhia txog nws cov txiaj ntsig ntawm kev nyiam cov tsiaj - txawm tias nws raug pleev xim rau ntawm pob zeb, ntses yuav tom nws. Pob zeb. Kev siv DMPT feem ntau yog ua cov cuab yeej nuv ntses los txhim kho qhov kev nyiam ntawm cov cuab yeej thiab ua rau nws yooj yim dua rau ntses tom tus nuv. Kev siv DMPT hauv kev lag luam yog ua cov khoom noj ntsuab hauv dej los txhawb kev noj zaub mov ntawm cov tsiaj hauv dej thiab ua kom lawv loj hlob sai.
Qhov dimethyl-beta-propionate thiatin thaum ntxov tshaj plaws yog cov khoom xyaw ntuj tsim uas tau rho tawm los ntawm seaweed. Qhov tseeb, cov txheej txheem ntawm kev tshawb pom dimethyl-beta-propionate thiatin kuj pib los ntawm seaweed: cov kws tshawb fawb tau pom tias cov ntses dej hiav txwv nyiam noj seaweed, yog li kuv pib kawm txog cov khoom noj uas nyiam seaweed. Tom qab ntawd kuv pom tias qhov laj thawj uas cov ntses nyiam noj seaweed yog tias seaweed muaj DMPT ntuj.
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N,N-Diethylhydroxylamine CAS: 3710-84-7
N,N-Diethylhydroxylamine CAS: 3710-84-7
cov khoom siv tshuaj lom neeg
Kua tsis muaj xim pob tshab. Nws tsw zoo li ammonia. Yooj yim yaj hauv dej, yaj hauv ethanol, ether, chloroform, benzene.
Nws yog siv los ua olefin polymerization inhibitor, terminal polymerization inhibitor, thiab ua vinyl monomer hauv cov txheej txheem tsim cov roj hmab hluavtaws. Ua ib qho antioxidant thiab stabilizer, nws tuaj yeem siv dav hauv cov photosensitive resins, photosensitive emulsions, synthetic latex, thiab lwm yam. Nws kuj tseem siv tau ua terminator rau emulsion polymerization, photochemical smog inhibitor, thiab lwm yam. Cov sulfate no yog tus neeg sawv cev sib npaug rau kev txhim kho xim.
Ntim, khaws cia thiab thauj mus los
Ntim rau hauv cov thoob yas lossis cov thoob roj hmab. Cov khoom no yuav tsum tau khaws cia rau hauv qhov chaw txias, qhuav thiab tiv thaiv kom tsis txhob muaj hluav taws. -
Dipropylamine CAS No.: 142-84-7
Dipropylamine, tseem hu ua di-n-propylamine, yog cov kua dej uas yooj yim hlawv, muaj tshuaj lom heev uas muaj nyob hauv cov nplooj luam yeeb thiab cov khib nyiab pov tseg los ntawm kev lag luam.
Di-n-propylamine yog ib yam kua tsis muaj xim thiab pob tshab. Muaj ntxhiab tsw ammonia. Muaj peev xwm tsim cov hydrates. Yooj yim yaj hauv dej, ethanol thiab ether. Tsim cov hydrate nrog dej. Qhov ceev 0.738, melting point -63 ℃, boiling point 110 ℃, flash point 17 ℃, refractive index 1.40445.
Di-n-propylamine siv tau ua cov kuab tshuaj thiab cov khoom siv nruab nrab hauv kev tsim cov tshuaj, tshuaj tua kab, cov xim pleev xim, cov khoom siv ua kom cov ntxhia, cov emulsifiers thiab cov tshuaj zoo. Txoj kev npaj yog siv propanol ua cov khoom siv raw, thiab tau txais nws los ntawm catalytic dehydrogenation, ammoniation, dehydration thiab hydrogenation. Cov tshuaj catalyst yog Ni-Cu-Al2O3, qhov siab yog (39 ± 1) kPa, qhov kub ntawm lub reactor yog (Chemicalbook 190 ± 10) ℃, qhov ceev ntawm propanol yog 0.05 ~ 0.15h-1, thiab qhov piv ntawm cov khoom siv raw yog propanol: ammonia ∶Hydrogen = 4: 2: 4, dipropylamine thiab tripropylamine tau txais tib lub sijhawm, thiab dipropylamine tuaj yeem tau txais los ntawm kev faib ua feem. -
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), tseem hu ua diethylenetriaminepentacetic acid, yog ib qho aminocarboxylic complexing agent zoo heev nrog cov khoom chelating muaj zog. Cov complex nws tsim nrog feem ntau cations zoo dua li ntawm ethylenediaminetetraacetic acid. Cov chelate sib xws yuav tsum ruaj khov.
Ua ib tug neeg sawv cev chelating ua haujlwm siab, diethylene triamine pentaacetic acid tuaj yeem siv rau hauv cov xim inhibitors hauv kev tsim cov acrylic fiber, kev lag luam ntawv, cov dej mos, cov khoom siv textile, chelating titrants, kev thaij duab xim thiab kev lag luam zaub mov. Nws kuj tseem siv rau hauv kev kho mob, cov khoom tsis tshua muaj. Nws kuj tseem siv dav hauv kev sib cais thiab kev ua liaj ua teb.
Cov khoom no yog dawb siv lead ua los yog crystalline hmoov. Melting point 230 ℃ (decomposition), soluble hauv dej kub thiab alkali kua, me ntsis soluble hauv dej txias, insoluble hauv cov organic solvents xws li cawv ethers. -
DIALLYL ISOPHTHALATE CAS: 1087-21-4
DIALLYL ISOPHTHALATE CAS: 1087-21-4, Kuj hu ua theem plaub reagent.Belongs rau propyl ester compounds.
Cov polymers Diallyl isophthalate zoo sib xws hauv kev npaj, cov yam ntxwv thiab kev siv rau cov polymers diallyl isophthalate piav qhia saum toj no. Cov pwm ua los ntawm diallyl isophthalate kim dua tab sis muaj kev ruaj khov thermal zoo dua (tuaj yeem tiv taus qhov kub txog li 220 ° C rau lub sijhawm ntev) thiab tiv taus cov organic solvents.
Nws yog ib qho kua roj daj daj me me. Muaj ntxhiab me ntsis. Sib xyaw nrog ethanol, tsis yaj hauv dej.
Feem ntau siv rau kev tshawb fawb biochemical. Organic Synthesis. Kev npaj cov resin kub siab. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Hmoov siv lead ua dawb. Yooj yim yaj hauv cov kuab tshuaj organic, dilute acids thiab dilute alkali, tab sis insoluble hauv dej. Siv ua xim nruab nrab.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N, N-dimethylbenzylamine feem ntau siv ua cov tshuaj reagent hauv cov organic synthesis thiab ua cov catalyst rau kev tsim cov polyurethane ua npuas ncauj thiab epoxy resin. Nws reacts nrog Os3 (CO3) los tsim ib pawg triosmium.
N,N dimethylbenzylamine nyob rau hauv methanol-tetra-N-butyl ammonium fluoroborate thiab methanol-potassium hydroxide. Siv rau hauv kev tsim cov bis[(N,N-dimethylamino)benzyl]selenoether. Nws kuj tseem siv tau ua cov organic synthesis intermediate, dehydrogenation catalyst, preservative, acid neutralizer, thiab lwm yam.
Nws tsis muaj xim mus rau daj daj uas yooj yim hlawv. Nws tsw zoo li ammonia. Yooj yim yaj hauv ethanol thiab ether, tsis tshua yaj hauv dej.
