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2-Ethylhexylamine CAS: 104-75-6
2-Ethylhexylamine CAS: 104-75-6
Nws yog cov kua tsis muaj xim thiab pob tshab, me ntsis soluble hauv dej, soluble hauv ethanol thiab acetone. Flamable. Incompatible nrog muaj zog oxidizing neeg sawv cev. Nws yog siv los ua ib qho nruab nrab rau tshuaj tua kab, dyes, pigments, surfactants, thiab insecticides. Nws kuj tseem tuaj yeem siv los tsim cov stabilizers, preservatives, emulsifiers, thiab lwm yam. Txoj kev npaj yog tau los ntawm reacting 2-ethylhexanol nrog ammonia. Hauv tib txheej ntawm cov khoom siv hluav taws xob, 2-ethylhexylamine, di (2-ethylhexyl) amine, thiab tris (2-ethylhexyl) amine tuaj yeem tsim tawm hauv kev sib hloov. -
p-Toluenesulfonamide CAS 70-55-3
p-Toluenesulfonamide, tseem hu ua 4-toluenesulfonamide, p-sulfonamide, toluene-4-sulfonamide, toluenesulfonamide, p-sulfamoyltoluene, yog ib tug dawb flake los yog nplooj ntawv tshuaj siv lead ua, siv los tsim chloramine-T thiab chloramphenicol, yas manufacturing, , hluavtaws cob, coatings, tshuaj tua kab mob thiab ntoo ua brighteners, thiab lwm yam.
p-Toluenesulfonamide yog ib qho khoom siv zoo heev rau cov yas thermosetting, haum rau phenolic resin, melamine resin, urea-formaldehyde resin, polyamide thiab lwm yam resins. Ib qho me me ntawm kev sib xyaw tuaj yeem txhim kho kev ua tau zoo, ua kom zoo dua qub, thiab muab cov khoom ua kom zoo nkauj. p-Toluenesulfonamide tsis muaj cov nyhuv softening ntawm cov kua plasticizers, yog incompatible nrog polyvinyl chloride thiab vinyl chloride copolymers, thiab yog ib feem ntawm cellulose acetate, cellulose acetate butyrate thiab cellulose nitrate.
Txoj kev tsim khoom ua ntej ntxiv ib feem ntawm HN3 dej rau hauv cov tshuaj tiv thaiv lub lauj kaub, ntxiv p-toluenesulfonyl chloride thaum nplawm, thiab qhov kub ib txwm nce mus txog 50 ° C. Tom qab qhov kub thiab txias, cov dej ammonia ntxiv ntxiv. React ntawm 85 ~ 9Chemicalbook0 ℃ rau 0.5h. Cov tshuaj tiv thaiv xaus thaum tus nqi pH nce mus txog 8 txog 9. Txias rau 20 ° C, lim, thiab ntxuav lub ncuav mog qab zib lim dej kom tau cov khoom nyoos. Cov khoom no ces decolorized los ntawm activated carbon, yaj nyob rau hauv alkali, sib cais los ntawm acid, lim thiab qhuav kom tau cov khoom.
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Tom ntej: Tosyl Chloride CAS 98-59-9
Tom ntej: Tosyl Chloride CAS 98-59-9
Tosyl chloride (TsCl), raws li cov khoom siv tshuaj zoo, yog siv dav hauv cov tshuaj zas, tshuaj, thiab tshuaj tua kab. Hauv kev lag luam dyeing, nws yog tsuas yog siv los tsim cov khoom nruab nrab rau disperse, ice dye, thiab acid dyes; nyob rau hauv kev lag luam kws tshuaj, Chemicalbook yog tsuas yog siv los tsim sulfonamides, mesulfonate, thiab lwm yam .; Nyob rau hauv kev lag luam tshuaj tua kab, nws yog tsuas yog siv nyob rau hauv zus tau tej cov mesotrione, sulfotrione, nplua metalaxyl, thiab lwm yam. Nrog rau kev loj hlob tsis tu ncua ntawm cov xim, tshuaj thiab tshuaj tua kab industries, lub thoob ntiaj teb kev thov rau cov khoom no yog loj hlob ib hnub twg.
Muaj ob txoj hauv kev tseem ceeb rau TsCl: 1. Nws yog tsim los ntawm kev ncaj qha acid chlorination ntawm toluene thiab tshaj chlorosulfonic acid ntawm qhov kub thiab txias. Txoj kev no ua rau o-toluenesulfonyl chloride nrog cov ntsiab lus siab, thiab p-toluenesulfonyl chloride yog nws cov khoom los ntawm cov khoom, thiab ob qho tib si yog qhov nyuaj rau kev sib cais thiab siv ntau lub zog; 2. Toluene thiab chlorosulfonic acid yog ncaj qha chlorinated nrog ntau tshaj chlorosulfonic acid nyob rau hauv lub xub ntiag ntawm tej ntsev thiab ntawm ib tug tej yam kub. Txawm hais tias txoj kev no muaj cov khoom lag luam ntau dua ntawm toluenesulfonyl chloride, qhov kev ua kom huv ntawm tus qauv yog yooj yim thiab siv zog tsawg. Txawm li cas los xij, vim muaj qhov kub thiab txias, cov roj sulfonated sib cais muaj cov sulfones siab thiab muaj nqi siv tsawg. Qhov tseeb tag nrho cov txiaj ntsig tsuas yog kwv yees li 70% hauv Chemicalbook. Tsis tas li ntawd, ob txoj hauv kev muaj kev noj ntau ntawm cov khoom siv raw chlorosulfonic acid thiab cov khib nyiab sulfuric acid uas ua tau dhau lawm, uas tsis tsim nyog rau kev siv thiab kev kho mob. Tseem muaj cov lus ceeb toom los txhim kho txoj kev. Ua ntej, p-toluenesulfonyl chloride nyob rau hauv cov tshuaj tiv thaiv sib tov yog tag nrho crystallized nyob rau hauv tej yam kev mob thiab cov siv lead ua hais yog loj. Cov txheej txheem ntawm kev pom ncaj qha yam tsis muaj hydrolysis yog siv los tshem tawm p-toluenesulfonyl chloride los ntawm kev sib tov. Txawm li cas los xij, tam sim no muaj qee qhov teeb meem hauv kev xaiv cov cuab yeej ua lag luam thiab kev nqis peev loj. Txhim kho cov txheej txheem: tsim nyog catalysts thiab lwm yam kev pom zoo txheej txheem raug xaiv.
Tosyl chloride (TsCl) yog dawb dawb crystalline hmoov nrog lub melting point ntawm 69-71 ° C. Nws yog ib qho tseem ceeb organic synthesis tshuaj nruab nrab thiab yog siv nyob rau hauv lub synthesis ntawm chloramphenicol, chloramphenicol-T, thiamphenicol thiab lwm yam tshuaj. .
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Tom ntej: Benzyl Chloride CAS 100-44-7
Tom ntej: Benzyl Chloride CAS 100-44-7
Benzyl chloride, tseem hu ua benzyl chloride thiab toluene chloride, yog cov kua xim tsis muaj xim nrog cov ntxhiab tsw muaj zog. Nws yog miscible nrog cov kuab tshuaj organic xws li chloroform, ethanol, thiab ether. Nws yog insoluble hauv dej tab sis tuaj yeem evaporate nrog dej vapor. Nws chav muaj qee yam khaus rau lub qhov muag mucous thiab yog cov kua muag muaj zog. Nyob rau tib lub sijhawm, benzyl chloride kuj yog ib qho nruab nrab ntawm cov organic synthesis thiab yog dav siv nyob rau hauv cov synthesis ntawm dyes, tshuaj tua kab, hluavtaws fragrances, detergents, plasticizers, thiab tshuaj.
Daim ntawv thov
Benzyl chloride muaj ntau yam kev siv hauv kev lag luam. Nws yog tsuas yog siv nyob rau hauv cov teb ntawm tshuaj tua kab, tshuaj, txuj lom, zas auxiliaries, thiab hluavtaws auxiliaries. Nws yog siv los tsim thiab tsim benzaldehyde, butyl benzyl phthalate, aniline, phoxim, thiab benzyl chloride. Penicillin, benzyl cawv, phenylacetonitrile, phenylacetic acid thiab lwm yam khoom. Benzyl chloride belongs rau benzyl halide chav kawm ntawm cov tshuaj tiv thaiv kab mob. Nyob rau hauv cov nqe lus ntawm cov tshuaj tua kab, nws muaj peev xwm tsis tsuas yog ncaj qha synthesize lub organophosphorus fungicides Daifengjing thiab Isidifangjing Chemicalbook, tab sis kuj yuav siv tau raws li ib tug tseem ceeb raw khoom rau ntau lwm yam intermediates, xws li cov synthesis ntawm phenylacetonitrile, Benzoyl chloride, m-phenoxybenzaldehyde, thiab lwm yam. Tsis tas li ntawd, benzyl chloride yog dav siv nyob rau hauv cov tshuaj, txuj lom, dye auxiliaries, hluavtaws resins, thiab lwm yam. Nws yog ib qho tseem ceeb intermediate nyob rau hauv tshuaj thiab tshuaj ntau lawm. Tom qab ntawd cov dej khib nyiab los yog cov khoom pov tseg uas tsim los ntawm cov lag luam thaum lub sij hawm tsim cov txheej txheem inevitably muaj ib tug loj npaum li cas ntawm benzyl chloride intermediates.
Chemical Properties:
Cov kua tsis muaj xim thiab pob tshab nrog cov ntxhiab tsw muaj zog. Kua muag-jerking. Soluble hauv cov kuab tshuaj organic xws li ether, cawv, chloroform, thiab lwm yam, insoluble hauv dej, tab sis tuaj yeem evaporate nrog dej vapor.
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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.
