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N-Isopropylhydroxylamine CAS 5080-22-8
N-Isopropylhydroxylamine yog cov kua tsis muaj xim nrog cov ntxhiab tsw ammonia.
- Nws yog soluble nyob rau hauv dej thiab feem ntau cov organic solvents, tab sis insoluble nyob rau hauv non-polar solvents.
- Nws yog ib qho nucleophile uas muaj cov tshuaj tiv thaiv ntxiv rau cov tebchaw xws li esters, aldehydes, thiab ketones.
siv:
- N-Isopropylhydroxylamine feem ntau yog siv rau hauv cov organic synthesis cov tshuaj tiv thaiv, tshwj xeeb tshaj yog ua ib qho amination reagent.
- Nws tuaj yeem siv los tsim cov khoom lag luam amination ntawm aldehydes, ketones, thiab esters, thiab koom nrog qee qhov kev cuam tshuam cyclization.
- Nws tseem tuaj yeem siv los ua cov tshuaj txo qis kom txo qis cov tshuaj tiv thaiv hauv cov organic synthesis.
Txoj kev npaj:
- Txoj kev npaj ntau ntawm N-isopropylhydroxylamine yog ua kom muaj kev cuam tshuam ntawm isopropyl cawv kom tau N-isopropylisopropylamide, thiab tom qab ntawd siv cov roj ammonia los ua rau nws tsim N-isopropylhydroxylamine.
Cov ntaub ntawv kev ruaj ntseg:
- N-Isopropylhydroxylamine yog ib yam khoom corrosive uas tuaj yeem ua rau khaus thiab kub hnyiab ntawm daim tawv nqaij thiab qhov muag.
- Hnav cov hnab looj tes tiv thaiv, tsom iav thiab lwm yam khoom siv tiv thaiv tus kheej thaum siv.
- Siv nyob rau hauv qhov chaw uas muaj cua zoo thiab tsis txhob nqus nws cov vapors.
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2,6-Dimethylaniline CAS 87-62-7
2,6-Dimethylaniline yog cov kua daj me ntsis nrog cov txheeb ze ntawm 0.973. Nws yog insoluble hauv dej, soluble hauv cawv, ether, thiab soluble hauv hydrochloric acid.
Txoj kev sib txuas ntawm 2,6-dimethylaniline feem ntau suav nrog 2,6-dimethylphenol aminolysis method, o-methylaniline alkylation method, aniline methylation method, m-xylene disulfonation nitration method thiab m-xylene disulfonation method. Toluene nitration txo txoj kev, thiab lwm yam.
Cov khoom no yog ib qho tseem ceeb nruab nrab ntawm kev tsim tshuaj tua kab thiab tshuaj, thiab tseem tuaj yeem siv los ua raw khoom rau cov khoom siv tshuaj xws li dyes. Combustible los ntawm qhib nplaim taws; reacts nrog oxidants; decomposes lom nitrogen oxide pa luam yeeb nrog kub kub.
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2,4-Dimethyl aniline CAS 95-68-1
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2,4-Dimethyl aniline CAS 95-68-1
Nws yog cov kua uas tsis muaj xim oily. Xim tob rau hauv lub teeb thiab huab cua. Me ntsis soluble hauv dej, soluble hauv ethanol, ether, benzene thiab acid daws.
2,4-Dimethylaniline yog tau los ntawm nitration ntawm m-xylene kom tau 2,4-dimethylnitrobenzene thiab 2,6-dimethylnitrobenzene. Tom qab distillation, 2,4-dimethylnitrobenzene tau txais. Cov khoom yog tau los ntawm catalytic hydrogenation txo ntawm benzene. Siv los ua intermediates rau tshuaj tua kab, tshuaj thiab dyes.Combustible nyob rau hauv qhib nplaim taws; ua haujlwm nrog oxidants; decomposes lom nitrogen oxide pa luam yeeb nrog kub kub. Thaum lub sij hawm cia thiab thauj mus los, lub warehouse yuav tsum tau ventilated thiab qhuav ntawm tsawg kub; khaws nws cais los ntawm cov kua qaub, oxidants, thiab zaub mov additives.
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1-(Dimethylamino)tetradecane CAS 112-75-4
1-(Dimethylamino)tetradecane CAS 112-75-4
Cov tsos mob yog cov kua pob tshab. insoluble hauv dej thiab tsawg dua cov dej. Yog li ntawd floats ntawm dej. Kev sib cuag tuaj yeem ua rau tawv nqaij, qhov muag thiab cov mucous membranes. Tej zaum yuav muaj tshuaj lom los ntawm kev noj, nqus pa lossis nqus ntawm daim tawv nqaij.
Siv los ua lwm yam chemicals.Thiab feem ntau yog siv rau hauv preservatives, roj additives, bactericides, tsawg hlau extractants, pigment dispersants, mineral flotation agents, cosmetic raw khoom, thiab lwm yam.
Cia tej yam kev mob: Khaws nyob rau hauv ib tug txias, qhuav, tsaus qhov chaw nyob rau hauv ib tug nruj ntim ntim los yog lub tog raj kheej. Khaws kom deb ntawm cov khoom siv tsis sib xws, cov khoom siv hluav taws xob thiab cov neeg tsis tau kawm. Kev ruaj ntseg thiab daim ntawv lo cheeb tsam. Tiv thaiv cov thawv / lub tog raj kheej los ntawm kev puas tsuaj rau lub cev.
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Tom ntej: Triethylamine CAS 121-44-8
Triethylamine (molecular mis: C6H15N), tseem hu ua N, N-diethylethylamine, yog qhov yooj yim homo-trisubstituted tertiary amines thiab muaj cov khoom ntawm tertiary amines, suav nrog ntsev tsim, oxidation, thiab triethyl Chemicalbook amine. Test (Hisbergreaction) tsis teb. Nws zoo nkaus li tsis muaj xim rau lub teeb daj pob tshab kua nrog lub zog ammonia tsw thiab haus luam yeeb me ntsis hauv huab cua. Me ntsis soluble hauv dej, soluble hauv ethanol thiab ether. Cov tshuaj aqueous yog alkaline. Toxic thiab khaus heev.
Nws tuaj yeem tau txais los ntawm reacting ethanol thiab ammonia nyob rau hauv lub xub ntiag ntawm hydrogen nyob rau hauv lub reactor nruab nrog ib tug tooj liab-nickel-av nplaum catalyst nyob rau hauv cov cua kub (190 ± 2 ° C thiab 165 ± 2 ° C). Cov tshuaj tiv thaiv kuj yuav tsim monoethylamine thiab diethylamine. Tom qab condensation, cov khoom yog txau nrog ethanol thiab absorbed kom tau crude triethylamine. Thaum kawg, tom qab sib cais, lub cev qhuav dej thiab kev sib cais, cov ntshiab triethylamine tau txais.
Triethylamine tuaj yeem siv los ua cov kuab tshuaj thiab cov khoom siv raw hauv kev lag luam organic synthesis, thiab tseem siv tau rau hauv kev tsim cov tshuaj, tshuaj tua kab, polymerization inhibitors, high-zog fuels, rubberizers, thiab lwm yam.
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Chloroacetone CAS 78-95-5
Chloroacetone CAS 78-95-5
Nws qhov tsos yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw. Soluble hauv dej, soluble hauv ethanol, ether thiab chloroform. Siv nyob rau hauv cov organic synthesis los npaj tshuaj, tshuaj tua kab, txuj lom thiab dyes, thiab lwm yam.
Muaj ntau txoj hauv kev los tsim cov tshuaj chloroacetone. Txoj kev acetone chlorination tam sim no yog ib txoj hauv kev loj siv hauv kev tsim khoom hauv tsev. Chloroacetone yog tau los ntawm chlorinating acetone nyob rau hauv lub xub ntiag ntawm calcium carbonate, ib tug acid-binding agent. Ntxiv acetone thiab calcium carbonate rau hauv lub reactor raws li ib qho piv txwv pub, do los ua slurry, thiab cua sov rau reflux. Tom qab nres cua sov, hla hauv cov roj chlorine li 3 mus rau 4 teev, thiab ntxiv dej kom yaj cov calcium chloride generated. Cov roj txheej yog sau, thiab tom qab ntawd ntxuav, lub cev qhuav dej, thiab distilled kom tau cov khoom chloroacetone.
Kev khaws cia thiab kev thauj mus los yam ntxwv ntawm chloroacetone
Lub warehouse yog ventilated thiab qhuav ntawm qhov kub thiab txias; nws tiv thaiv cov nplaim taws qhib thiab kub siab, thiab khaws cia thiab thauj khoom sib cais los ntawm cov khoom siv raw khoom thiab oxidants.
Cia txias: 2-8 ° C -
Propylene glycol CAS 57-55-6
Lub npe scientific ntawm propylene glycol yog "1,2-propanediol". Cov racemate yog hygroscopic viscous kua nrog me ntsis ntsim saj. Nws yog miscible hauv dej, acetone, ethyl acetate thiab chloroform, thiab soluble hauv ether. Soluble nyob rau hauv ntau yam tseem ceeb roj, tab sis immiscible nrog roj av ether, paraffin thiab roj. Nws yog qhov ruaj khov rau cua sov thiab lub teeb, thiab ruaj khov dua ntawm qhov kub thiab txias. Propylene glycol tuaj yeem oxidized rau hauv propionaldehyde, lactic acid, pyruvic acid thiab acetic acid ntawm qhov kub thiab txias.
Propylene glycol yog diol thiab muaj cov khoom ntawm cov cawv. Reacts nrog cov organic acids thiab inorganic acids los tsim cov monoesters lossis diesters. Reacts nrog propylene oxide los tsim ether. Reacts nrog hydrogen halide los tsim halohydrins. Reacts nrog acetaldehyde los ua methyldioxolane.
Raws li tus neeg sawv cev bacteriostatic, propylene glycol zoo ib yam li ethanol, thiab nws cov txiaj ntsig hauv inhibiting pwm zoo ib yam li glycerin thiab qis dua li ntawm ethanol. Propylene glycol feem ntau yog siv los ua cov yas yas hauv cov ntaub ntawv aqueous zaj duab xis txheej. Kev sib xyaw ntawm qhov sib npaug nrog dej tuaj yeem ncua sijhawm hydrolysis ntawm qee yam tshuaj thiab ua kom muaj kev ruaj ntseg ntawm kev npaj.
Tsis muaj xim, khov thiab ruaj khov dej-absorbing kua, yuav luag tasteless thiab tsw. Miscible nrog dej, ethanol thiab ntau yam organic solvents. Siv los ua raw khoom rau resins, plasticizers, surfactants, emulsifiers thiab demulsifiers, nrog rau cov tshuaj tiv thaiv kab mob thiab cov khoom siv cua sov
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Benzoic acid CAS: 65-85-0
Benzoic acid, tseem hu ua benzoic acid, muaj ib tug molecular mis ntawm C6H5COOH. Nws yog qhov yooj yim tshaj plaws aromatic acid uas pawg carboxyl txuas ncaj qha rau carbon atom ntawm lub nplhaib benzene. Nws yog qhov sib xyaw ua ke tsim los ntawm kev hloov cov hydrogen ntawm lub nplhaib benzene nrog pawg carboxyl (-COOH). Nws yog xim tsis muaj xim, tsis muaj ntxhiab tsw flaky crystals. Lub melting point yog 122.13 ℃, lub boiling point yog 249 ℃, thiab tus txheeb ze ceev yog 1.2659 (15/4 ℃). Nws sublimates sai sai ntawm 100 ° C, thiab nws cov vapor yog heev khaus thiab tuaj yeem ua rau hnoos tom qab nqus tau. Me ntsis soluble hauv dej, yooj yim soluble nyob rau hauv organic solvents xws li ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride thiab ntoo thuv Chemicalbook roj txuag. Nws muaj nyob rau hauv cov xwm nyob rau hauv daim ntawv ntawm dawb acid, ester los yog nws derivatives. Piv txwv li, nws muaj nyob rau hauv daim ntawv ntawm dawb acid thiab benzyl ester nyob rau hauv benzoin cov pos hniav; nws muaj nyob rau hauv daim ntawv dawb nyob rau hauv nplooj thiab qia bark ntawm ib co nroj tsuag; nws muaj nyob rau hauv cov tshuaj tsw qab Nws muaj nyob rau hauv daim ntawv ntawm methyl ester los yog benzyl ester nyob rau hauv cov roj yam tseem ceeb; Nws muaj nyob rau hauv daim ntawv ntawm nws derivative hippuric acid nyob rau hauv nees zis. Benzoic acid yog cov kua qaub uas tsis muaj zog, muaj zog dua cov roj ntsha. Lawv muaj cov tshuaj zoo sib xws thiab tuaj yeem tsim cov ntsev, esters, acid halides, amides, acid anhydrides, thiab lwm yam, thiab tsis yooj yim oxidized. Ib qho kev hloov pauv ntawm electrophilic tuaj yeem tshwm sim ntawm lub nplhaib benzene ntawm benzoic acid, feem ntau ua cov khoom hloov pauv meta.
Benzoic acid feem ntau yog siv los ua tshuaj los yog tshuaj tua kab mob. Nws muaj cov nyhuv inhibiting kev loj hlob ntawm fungi, kab mob, thiab pwm. Thaum siv tshuaj, nws feem ntau yog siv rau ntawm daim tawv nqaij los kho cov kab mob ntawm daim tawv nqaij xws li ringworm. Siv rau hauv hluavtaws fibers, resins, coatings, roj hmab, thiab luam yeeb industries. Thaum pib, benzoic acid yog tsim los ntawm carbonization ntawm benzoin pos hniav los yog hydrolysis ntawm cov ntaub ntawv tshuaj nrog alkaline dej. Nws tuaj yeem tsim los ntawm hydrolysis ntawm hippuric acid. Industrially, benzoic acid yog tsim los ntawm huab cua oxidation ntawm toluene nyob rau hauv lub xub ntiag ntawm catalysts xws li cobalt thiab manganese; los yog nws yog tsim los ntawm hydrolysis thiab decarboxylation ntawm phthalic anhydride. Benzoic acid thiab nws cov ntsev ntsev tuaj yeem siv los ua cov tshuaj tua kab mob hauv latex, tshuaj txhuam hniav, jam lossis lwm yam khoom noj, thiab tseem tuaj yeem siv los ua mordants rau dyeing thiab luam ntawv. -
Ethyl N-acetyl-N-butyl-β-alaninate CAS: 52304-36-6
BAAPE yog ib qho dav-spectrum, muaj txiaj ntsig zoo tshuaj tua kab uas tua yoov, ntshauv, ntsaum, yoov tshaj cum, kab laum, midges, gadflies, ca fleas, xuab zeb fleas, xuab zeb midges, sandflies, cicadas, thiab lwm yam. Repellent effect; nws cov nyhuv repellent kav ntev thiab tuaj yeem siv rau hauv cov huab cua sib txawv. Nws yog chemically ruaj khov nyob rau hauv cov kev mob ntawm kev siv thiab muaj siab thermal stability thiab siab hws kuj. BAAPE muaj kev sib raug zoo nrog cov khoom siv tshuaj pleev ib ce thiab tshuaj. Nws tuaj yeem ua rau kev daws teeb meem, emulsions, tshuaj pleev, coatings, gels, aerosols, yoov tshaj cum, microcapsules thiab lwm yam tshwj xeeb tshuaj tua kab mob, thiab tseem tuaj yeem muab ntxiv rau lwm yam khoom. Los yog hauv cov ntaub ntawv (xws li dej tso quav, dej tshuaj yoov tshaj cum), kom nws muaj cov tshuaj tua kab mob.
BAAPE muaj qhov zoo ntawm tsis muaj tshuaj lom rau ntawm daim tawv nqaij thiab cov mucous daim nyias nyias, tsis muaj kev ua xua, thiab tsis muaj daim tawv nqaij permeability.
Properties: Colorless to light yellow transparent kua, ib qho tshuaj yoov tshaj cum. Piv nrog rau cov tshuaj yoov tshaj cum (DEET, feem ntau hu ua DEET), nws muaj cov yam ntxwv tseem ceeb ntawm cov tshuaj lom neeg tsawg, tsis tshua muaj khaus, thiab lub sij hawm ntev dua. , ib qho khoom siv zoo tshaj plaws rau cov tshuaj yoov tshaj cum.
Dej-soluble repellent (BAAPE) tsis zoo dua li DEET ib txwm siv tshuaj tua yoov tshaj cum. Txawm li cas los xij, hauv kev sib piv, DEET (IR3535) yog qhov tsis tshua muaj khaus thiab tsis muaj tawv nqaij nkag mus.
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2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (lub npe hu ua MOE), tseem hu ua ethylene glycol methyl ether, yog cov kua tsis muaj xim thiab pob tshab, miscible nrog dej, cawv, acetic acid, acetone thiab DMF. Raws li cov kuab tshuaj tseem ceeb, MOE tau dav siv los ua cov kuab tshuaj rau ntau yam roj, cellulose acetates, cellulose nitrates, cawv-soluble dyes thiab hluavtaws resins.
Nws tau txais los ntawm cov tshuaj tiv thaiv ntawm ethylene oxide thiab methanol. Ntxiv methanol rau boron trifluoride ether complex, thiab dhau hauv ethylene oxide ntawm 25-30 ° C thaum nplawm. Tom qab ua tiav, qhov ntsuas kub tau nce mus rau 38-45 ° C. Cov tshuaj tiv thaiv tshwm sim yog kho nrog potassium hydrocyanide- Neutralize cov tshuaj methanol rau pH = 8-Chemicalbook9. Rov qab kho methanol, distilled nws, thiab sau cov feem ua ntej 130 ° C kom tau cov khoom nyoos. Tom qab ntawd ua cov fractional distillation, thiab sau cov 123-125 ° C feem raws li cov khoom tiav. Hauv kev tsim khoom lag luam, ethylene oxide thiab anhydrous methanol tau hnov mob ntawm qhov kub thiab txias yam tsis muaj catalyst, thiab cov khoom lag luam siab tuaj yeem tau txais.
Cov khoom no yog siv los ua cov kuab tshuaj rau ntau yam roj, lignin, nitrocellulose, cellulose acetate, cawv-soluble dyes thiab hluavtaws resins; raws li ib tug reagent rau kev txiav txim ntawm hlau, sulfate thiab carbon disulfide, raws li ib tug diluent rau coatings, thiab rau cellophane. Nyob rau hauv lub ntim sealers, ceev-drying varnishes thiab enamels. Nws kuj tseem siv tau los ua tus neeg sawv cev nkag mus thiab qib tus neeg sawv cev hauv kev lag luam dyeing, los yog ua cov yas yas thiab ci ci. Raws li qhov nruab nrab hauv kev tsim cov organic tebchaw, ethylene glycol monomethyl ether feem ntau yog siv rau hauv kev sib txuas ntawm acetate thiab ethylene glycol dimethyl ether. Nws tseem yog cov ntaub ntawv raw khoom rau kev tsim cov bis (2-methoxyethyl) phthalate plasticizer. Kev sib xyaw ntawm ethylene glycol monomethyl ether thiab glycerin (ether: glycerin = 98: 2) yog cov tub rog dav hlau roj ntxiv uas tuaj yeem tiv thaiv icing thiab kab mob corrosion. Thaum ethylene glycol monomethyl ether yog siv los ua lub dav hlau roj antisizing tus neeg sawv cev, qhov sib ntxiv ntxiv yog 0.15% ± 0.05%. Nws muaj hydrophilicity zoo. Nws siv nws cov pab pawg hydroxyl hauv cov roj los cuam tshuam nrog cov kab ntawm cov dej molecules hauv cov roj. Kev tsim ntawm hydrogen daim ntawv cog lus koom nrog, ua ke nrog nws qhov chaw khov qis heev, txo qis qhov dej khov ntawm cov roj hauv cov roj, tso cai rau cov dej los nag rau hauv dej khov. Ethylene glycol monomethyl ether kuj yog ib qho tshuaj tiv thaiv kab mob.
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Tom ntej: 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 cov organic compound. Nws yog xim tsis muaj xim rau lub teeb daj ua kua nrog tsawg volatility. Nws yog soluble hauv feem ntau cov kuab tshuaj organic xws li ethanol, methanol thiab dimethylformamide. Feem ntau siv los ua chemical raw khoom thiab cov kuab tshuaj. Nws kuj yog siv los ua stabilizer rau dyes thiab pigments.
1,4-Butanediol glycidyl ether tuaj yeem tsim los ntawm esterification ntawm 1,4-butanediol nrog methanol lossis methanol tov. Cov tshuaj tiv thaiv kab mob feem ntau yog nqa tawm nyob rau hauv siab siab thiab nyob rau hauv lub xub ntiag ntawm ib tug catalyst.
Thaum siv 1,4-butanediol glycidyl ether, yuav tsum tau saib xyuas kom tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag. Thaum siv thiab khaws cia, yuav tsum zam qhov kub thiab qhov hluav taws kub. Kev ceev faj yuav tsum tau them rau kev sib khi ntawm cov thawv ntim khoom kom tiv thaiv evaporation thiab to. -
Tom ntej: 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 nruab nrab, dav siv nyob rau hauv surfactants, hluavtaws detergents, petrochemical additives, hluavtaws resin thiab roj hmab plasticizers, accelerators, vulcanizing agents thiab foaming agents, nrog rau cov roj purification, kua antifreeze, luam ntawv thiab dyeing, tshuaj, tshuaj tua kab, kev tsim kho. , tub rog kev lag luam thiab lwm yam kev lag luam. Cov khoom lag luam hauv qab ntawm ethanolamine yog cov tshuaj lom neeg tseem ceeb.
Diethanolamine, tseem hu ua bishydroxyethylamine thiab 2,2'-iminobisethanol, yog cov siv lead ua dawb los yog cov kua tsis muaj xim uas muaj zog hygroscopicity. Nws yooj yim soluble 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 muaj peev xwm nqus tau Chemicalbook acidic gases nyob rau hauv cov pa roj, xws li carbon dioxide, hydrogen sulfide, sulfur dioxide, thiab lwm yam "Benfield" tshuaj siv nyob rau hauv cov khoom siv hluavtaws ammonia yog tsim los ntawm cov khoom no; Nws kuj yog siv rau emulsification. Tus neeg sawv cev, lubricants, tshuaj zawv plaub hau, thickeners, thiab lwm yam; organic synthesis intermediates, siv los tsim cov khoom siv tshuaj ntxuav tes, tshuaj tua kab mob thiab tshuaj niaj hnub (xws li surfactants); synthesis ntawm morpholine.
Diethanolamine yog siv los ua raw khoom rau buffers hauv kev lag luam kws tshuaj. Nws yog siv los ua tus neeg sawv cev sib txuas hauv kev tsim cov polyurethane ua npuas ncauj siab. Nws yog tov nrog triethanolamine raws li ib tug detergent rau aircraft cav pistons. Nws reacts nrog fatty acids los tsim alkyl alkyl. Nws kuj tseem siv rau hauv cov khoom siv hluavtaws hluavtaws, cov khoom siv raw rau surfactants Chemicalbook thiab acid gas absorbers, siv cov thickeners thiab foam modifiers hauv cov tshuaj zawv plaub hau thiab lub teeb detergents, ua intermediates hauv kev lag luam organic synthesis, thiab hauv kev lag luam tshuaj. Raws li cov kuab tshuaj, nws yog dav siv hauv kev lag luam ntxhua khaub ncaws, kev lag luam tshuaj pleev ib ce, kev ua liaj ua teb, kev tsim kho kev lag luam thiab kev lag luam hlau.
