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2-Ethylhexylamine CAS: 104-75-6
2-Ethylhexylamine CAS: 104-75-6
Nws yog ib qho kua tsis muaj xim thiab pob tshab, me ntsis soluble hauv dej, soluble hauv ethanol thiab acetone. Flammable. Tsis sib haum nrog cov neeg sawv cev oxidizing muaj zog. Nws yog siv ua ib qho nruab nrab rau cov tshuaj tua kab, dyes, pigments, surfactants, thiab tshuaj tua kab. Nws kuj tseem siv tau los tsim cov stabilizers, preservatives, emulsifiers, thiab lwm yam. Txoj kev npaj tau los ntawm kev cuam tshuam 2-ethylhexanol nrog ammonia. Hauv tib pawg ntawm cov khoom siv kettle batch, 2-ethylhexylamine, di (2-ethylhexyl) amine, thiab tris (2-ethylhexyl) amine tuaj yeem tsim tau 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 cov khoom siv dawb flake lossis nplooj Chemicalbook siv lead ua, siv los ua cov chloramine-T thiab Chloramphenicol, fluorescent dyes, tsim cov yas, cov resins hluavtaws, cov tshuaj pleev xim, cov tshuaj tua kab mob thiab cov khoom ua kom ntoo ci ntsa iab, thiab lwm yam.
p-Toluenesulfonamide yog ib qho khoom siv yas zoo heev rau cov yas thermosetting, tsim nyog rau phenolic resin, melamine resin, urea-formaldehyde resin, polyamide thiab lwm yam resins. Kev sib xyaw me me tuaj yeem txhim kho kev ua haujlwm, ua kom tawv txawm tias, thiab muab cov khoom ci ntsa iab zoo. p-Toluenesulfonamide tsis muaj qhov cuam tshuam ua kom mos li cov kua yas, tsis sib haum nrog polyvinyl chloride thiab vinyl chloride copolymers, thiab ib feem sib haum nrog cellulose acetate, cellulose acetate butyrate thiab cellulose nitrate.
Txoj kev tsim khoom ua ntej ntxiv ib feem ntawm cov dej HN3 rau hauv lub lauj kaub ua kom sib xyaw, ntxiv p-toluenesulfonyl chloride thaum do, thiab qhov kub nce mus txog 50 ° C. Tom qab qhov kub poob qis, cov dej ammonia seem ntxiv. Ua kom sib xyaw ntawm 85 ~ 9C rau 0.5 teev. Qhov kev ua kom sib xyaw xaus thaum tus nqi pH ncav cuag 8 txog 9. Txias rau 20 ° C, lim, thiab ntxuav lub ncuav mog qab zib lim nrog dej kom tau txais cov khoom nyoos. Cov khoom tom qab ntawd raug tshem tawm xim los ntawm cov pa roj carbon activated, yaj hauv alkali, sib cais los ntawm acid, lim thiab ziab kom tau txais cov khoom.
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Tosyl chloride CAS 98-59-9
Tosyl chloride CAS 98-59-9
Tosyl chloride (TsCl), ua ib yam khoom siv tshuaj zoo, siv dav hauv kev lag luam zas xim, tshuaj, thiab tshuaj tua kab. Hauv kev lag luam zas xim, nws feem ntau yog siv los tsim cov khoom nruab nrab rau kev sib cais, zas xim dej khov, thiab cov xim kua qaub; hauv kev lag luam tshuaj, Chemicalbook feem ntau yog siv los tsim cov sulfonamides, mesulfonate, thiab lwm yam; hauv kev lag luam tshuaj tua kab, nws feem ntau yog siv hauv kev tsim cov mesotrione, sulfotrione, metalaxyl zoo, thiab lwm yam. Nrog rau kev txhim kho tas mus li ntawm kev lag luam zas xim, tshuaj thiab tshuaj tua kab, qhov kev thov thoob ntiaj teb rau cov khoom no tab tom loj hlob txhua hnub.
Muaj ob txoj kev txheej txheem ib txwm muaj rau TsCl: 1. Nws yog tsim los ntawm kev siv cov kua qaub chlorination ncaj qha ntawm toluene thiab cov kua qaub chlorosulfonic ntau dhau ntawm qhov kub qis. Txoj kev no tsim cov o-toluenesulfonyl chloride nrog cov ntsiab lus siab, thiab p-toluenesulfonyl chloride yog nws cov khoom lag luam, thiab ob qho tib si Nws nyuaj rau cais thiab siv zog ntau; 2. Toluene thiab chlorosulfonic acid yog chlorinated ncaj qha nrog cov kua qaub chlorosulfonic ntau dhau nyob rau hauv qhov muaj cov ntsev thiab ntawm qee qhov kub. Txawm hais tias txoj kev no muaj cov khoom lag luam ntau dua ntawm toluenesulfonyl chloride, qhov piv txwv ntawm kev ntxuav Txoj kev yooj yim thiab siv zog tsawg. Txawm li cas los xij, vim yog qhov kub siab ntawm cov tshuaj tiv thaiv, cov roj sulfonated sib cais muaj cov sulfones siab thiab muaj tus nqi siv qis. Qhov tseeb tag nrho cov txiaj ntsig tsuas yog li 70% hauv Chemicalbook. Tsis tas li ntawd, ob txoj kev muaj kev siv cov khoom siv raw chlorosulfonic acid ntau thiab cov khib nyiab sulfuric acid tsim tawm yog dilute dhau, uas tsis zoo rau kev siv thiab kev kho mob hauv kev lag luam. Kuj tseem muaj cov ntawv ceeb toom los txhim kho txoj kev. Ua ntej, p-toluenesulfonyl chloride hauv cov tshuaj sib tov yog crystallized tag nrho nyob rau hauv qee qhov xwm txheej thiab cov khoom siv crystal tau nthuav dav. Txoj kev lim dej ncaj qha yam tsis muaj hydrolysis yog siv los tshem tawm p-toluenesulfonyl chloride ntawm cov khoom sib tov. Txawm li cas los xij, tam sim no muaj qee qhov teeb meem hauv kev xaiv cov khoom siv kev lag luam thiab kev nqis peev yog loj. Cov txheej txheem txhim kho: Cov catalysts tsim nyog thiab lwm yam txheej txheem zoo tshaj plaws tau raug xaiv.
Tosyl chloride (TsCl) yog ib qho siv lead ua dawb nrog lub melting point ntawm 69-71 ° C. Nws yog ib qho tseem ceeb ntawm cov tshuaj organic synthesis thiab feem ntau yog siv rau hauv kev tsim cov chloramphenicol, chloramphenicol-T, thiamphenicol thiab lwm yam tshuaj.
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Benzyl chloride CAS: 100-44-7
Benzyl chloride CAS: 100-44-7
Benzyl chloride, tseem hu ua benzyl chloride thiab toluene chloride, yog cov kua tsis muaj xim nrog lub ntxhiab tsw qab heev. Nws sib xyaw nrog cov organic solvents xws li chloroform, ethanol, thiab ether. Nws tsis yaj hauv dej tab sis tuaj yeem ua pa nrog cov dej pa. Nws cov pa muaj qee yam kev khaus rau cov mucous membrane ntawm lub qhov muag thiab yog cov roj tsim kua muag muaj zog. Tib lub sijhawm, benzyl chloride kuj yog ib qho nruab nrab hauv kev tsim cov organic thiab siv dav hauv kev tsim cov xim, tshuaj tua kab, tshuaj tsw qab, tshuaj ntxuav tes, cov yas, thiab tshuaj.
Cov ntawv thov
Benzyl chloride muaj ntau yam kev siv hauv kev lag luam. Nws feem ntau yog siv rau hauv cov teb ntawm cov tshuaj tua kab, tshuaj, txuj lom, cov khoom siv zas xim, thiab cov khoom siv hluavtaws. 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 yog ib feem ntawm benzyl halide chav kawm ntawm cov tshuaj ua rau khaus. Hais txog cov tshuaj tua kab, nws tsis tsuas yog tuaj yeem ncaj qha synthesize cov organophosphorus fungicides Daifengjing thiab Isidifangjing Chemicalbook, tab sis kuj tuaj yeem siv ua cov khoom siv raw tseem ceeb rau ntau lwm yam intermediates, xws li kev tsim cov phenylacetonitrile, Benzoyl chloride, m-phenoxybenzaldehyde, thiab lwm yam. Tsis tas li ntawd, benzyl chloride yog siv dav hauv tshuaj, txuj lom, cov khoom siv zas xim, cov khoom siv hluavtaws, thiab lwm yam. Nws yog ib qho tseem ceeb intermediate hauv kev tsim tshuaj lom neeg thiab tshuaj. Tom qab ntawd cov kua dej khib nyiab lossis cov khib nyiab tsim los ntawm cov tuam txhab thaum lub sijhawm tsim khoom tsis zam muaj ntau ntawm benzyl chloride intermediates.
Cov Khoom Siv Tshuaj:
Tsis muaj xim thiab pob tshab nrog lub ntxhiab tsw qab heev. Kua muag ntws. Yaj hauv cov kuab tshuaj organic xws li ether, cawv, chloroform, thiab lwm yam, tsis yaj hauv dej, tab sis tuaj yeem yaj nrog cov dej ua pa.
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N-Isopropylhydroxylamine CAS: 5080-22-8
N-Isopropylhydroxylamine yog cov kua tsis muaj xim nrog rau ntxhiab ammonia muaj zog.
- Nws yog soluble nyob rau hauv dej thiab feem ntau cov organic solvents, tab sis insoluble nyob rau hauv cov tshuaj uas tsis yog-polar.
- Nws yog ib qho nucleophile uas muaj cov tshuaj tiv thaiv ntxiv rau cov tshuaj xws li esters, aldehydes, thiab ketones.
siv:
- N-Isopropylhydroxylamine feem ntau yog siv rau hauv cov tshuaj tiv thaiv organic, tshwj xeeb tshaj yog ua cov tshuaj amination.
- Nws tuaj yeem siv los ua cov khoom amination ntawm aldehydes, ketones, thiab esters, thiab koom nrog qee qhov kev hloov pauv cyclization.
- Nws kuj tseem siv tau ua cov tshuaj reagent txo qis los ua cov tshuaj tiv thaiv kev txo qis hauv cov organic synthesis.
Txoj kev npaj:
- Txoj kev npaj ua ke ntawm N-isopropylhydroxylamine yog ua qhov kev sib xyaw ua ke ntawm isopropyl cawv kom tau txais N-isopropylisopropylamide, thiab tom qab ntawd siv cov roj ammonia los ua rau nws los 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 thaum kov 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 rau hauv qhov chaw uas muaj cua nkag tau zoo thiab tsis txhob nqus pa nws cov pa dej.
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2,6-Dimethylaniline CAS 87-62-7
2,6-Dimethylaniline yog ib qho kua daj me ntsis nrog qhov ceev ntawm 0.973. Nws tsis yaj hauv dej, yaj hauv cawv, ether, thiab yaj hauv hydrochloric acid.
Cov kev tsim cov 2,6-dimethylaniline feem ntau suav nrog 2,6-dimethylphenol aminolysis txoj kev, o-methylaniline alkylation txoj kev, aniline methylation txoj kev, m-xylene disulfonation nitration txoj kev thiab m-xylene disulfonation txoj kev. Toluene nitration txo txoj kev, thiab lwm yam.
Cov khoom no yog ib qho tseem ceeb rau kev tsim cov tshuaj tua kab thiab tshuaj, thiab kuj tseem siv tau ua cov khoom siv raw rau cov khoom siv tshuaj xws li cov xim. Nws yooj yim hlawv los ntawm hluav taws qhib; nws ua rau cov tshuaj oxidants puas tsuaj; nws rhuav tshem cov pa luam yeeb nitrogen oxide lom nrog cua sov siab.
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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 ib qho kua roj tsis muaj xim. Xim tob zuj zus hauv lub teeb thiab huab cua. Me ntsis soluble hauv dej, soluble hauv ethanol, ether, benzene thiab cov kua qaub.
2,4-Dimethylaniline tau los ntawm nitration ntawm m-xylene kom tau txais 2,4-dimethylnitrobenzene thiab 2,6-dimethylnitrobenzene. Tom qab distillation, 2,4-dimethylnitrobenzene tau txais. Cov khoom tau txais los ntawm catalytic hydrogenation txo ntawm benzene. Siv ua intermediates rau tshuaj tua kab, tshuaj thiab dyes. Combustible hauv qhib nplaim taws; ua haujlwm nrog oxidants; decomposes lom nitrogen oxide pa luam yeeb nrog cua sov siab. Thaum lub sijhawm khaws cia thiab thauj mus los, lub tsev rau khoom yuav tsum tau ventilated thiab qhuav ntawm qhov kub qis; khaws cia cais ntawm cov kua qaub, oxidants, thiab cov khoom noj khoom haus additives.
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1-(Dimethylamino) tetradecane CAS 112-75-4
1-(Dimethylamino) tetradecane CAS 112-75-4
Zoo li kua pob tshab. tsis yaj hauv dej thiab tsis ntom dua dej. Yog li ntawd, ntab saum dej. Kev sib cuag yuav ua rau khaus tawv nqaij, qhov muag thiab cov ntaub so ntswg. Tej zaum yuav muaj tshuaj lom los ntawm kev noj, kev ua pa lossis kev nqus ntawm daim tawv nqaij.
Siv los ua lwm yam tshuaj. Thiab feem ntau yog siv rau hauv cov tshuaj preservatives, roj additives, bactericides, tsawg hlau extractants, pigment dispersants, mineral flotation agents, cosmetic raw materials, thiab lwm yam.
Cov Cai Khaws Cia: Khaws cia rau qhov chaw txias, qhuav, tsaus ntuj hauv lub thawv lossis lub tog raj kheej uas kaw ruaj ruaj. Khaws cia deb ntawm cov khoom siv tsis sib xws, cov khoom siv hluav taws xob thiab cov neeg tsis tau kawm. Khi thiab sau daim ntawv lo rau thaj chaw. Tiv thaiv cov thawv/lub tog raj kheej kom tsis txhob puas tsuaj.
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Triethylamine CAS: 121-44-8
Triethylamine (cov mis molecular: C6H15N), tseem hu ua N,N-diethylethylamine, yog qhov yooj yim tshaj plaws homo-trisubstituted tertiary amine thiab muaj cov khoom zoo li tertiary amines, suav nrog kev tsim ntsev, oxidation, thiab triethyl amine. Kev sim (Hisbergreaction) tsis muaj lus teb. Nws zoo li cov kua tsis muaj xim rau lub teeb daj nrog cov ntxhiab ammonia muaj zog thiab haus luam yeeb me ntsis hauv huab cua. Me ntsis soluble hauv dej, soluble hauv ethanol thiab ether. Cov kua dej yog alkaline. Tshuaj lom thiab khaus heev.
Nws tuaj yeem tau los ntawm kev sib xyaw ethanol thiab ammonia nyob rau hauv qhov muaj hydrogen hauv lub reactor nruab nrog lub catalyst tooj liab-nickel-av nplaum nyob rau hauv cov xwm txheej cua sov (190 ± 2 ° C thiab 165 ± 2 ° C). Qhov kev sib xyaw kuj tseem yuav tsim monoethylamine thiab diethylamine. Tom qab condensation, cov khoom raug txau nrog ethanol thiab nqus kom tau txais cov triethylamine nyoos. Thaum kawg, tom qab sib cais, dehydration thiab fractionation, triethylamine ntshiab tau txais.
Triethylamine siv tau ua cov kuab tshuaj thiab cov khoom siv raw hauv kev lag luam organic synthesis, thiab kuj siv rau hauv kev tsim cov tshuaj, tshuaj tua kab, cov tshuaj polymerization inhibitors, roj hluav taws xob siab, cov roj hmab, thiab lwm yam.
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Chloroacetone CAS: 78-95-5
Chloroacetone CAS: 78-95-5
Nws zoo li yog kua tsis muaj xim nrog ntxhiab tsw qab. Yaj hauv dej, yaj hauv ethanol, ether thiab chloroform. Siv rau hauv kev tsim cov organic los npaj cov tshuaj, tshuaj tua kab, cov txuj lom thiab cov xim, thiab lwm yam.
Muaj ntau txoj kev tsim cov chloroacetone. Txoj kev acetone chlorination tam sim no yog ib txoj kev tseem ceeb uas siv hauv kev tsim khoom hauv tsev. Chloroacetone tau los ntawm kev chlorinating acetone nyob rau hauv qhov muaj calcium carbonate, ib qho acid-binding agent. Ntxiv acetone thiab calcium carbonate rau hauv lub reactor raws li qee qhov piv txwv pub mis, do kom ua slurry, thiab cua sov rau reflux. Tom qab tsis ua kom sov, hla cov roj chlorine li 3 txog 4 teev, thiab ntxiv dej kom yaj cov calcium chloride tsim tawm. Cov txheej roj raug sau, thiab tom qab ntawd ntxuav, qhuav dej, thiab distilled kom tau txais cov khoom chloroacetone.
Cov yam ntxwv ntawm kev khaws cia thiab kev thauj mus los ntawm chloroacetone
Lub tsev rau khoom muaj cua nkag thiab ziab ntawm qhov kub qis; nws tiv thaiv tau hluav taws qhib thiab kub siab, thiab khaws cia thiab thauj cais ntawm cov khoom noj khoom haus raw thiab cov tshuaj oxidants.
Cov xwm txheej cia khoom: 2-8 ° C -
Propylene glycol CAS: 57-55-6
Lub npe scientific ntawm propylene glycol yog "1,2-propanediol". Cov racemate yog cov kua hygroscopic viscous nrog me ntsis saj ntsim. Nws yog miscible hauv dej, acetone, ethyl acetate thiab chloroform, thiab soluble hauv ether. Soluble hauv ntau cov roj tseem ceeb, tab sis immiscible nrog petroleum ether, paraffin thiab roj. Nws yog qhov ruaj khov rau cua sov thiab lub teeb, thiab ruaj khov dua ntawm qhov kub qis. Propylene glycol tuaj yeem oxidized rau hauv propionaldehyde, lactic acid, pyruvic acid thiab acetic acid ntawm qhov kub siab.
Propylene glycol yog diol thiab muaj cov khoom ntawm cov cawv dav dav. Nws ua rau cov tshuaj lom neeg nrog cov organic acids thiab cov inorganic acids los tsim cov monoesters lossis diesters. Nws ua rau cov tshuaj lom neeg nrog propylene oxide los tsim cov ether. Nws ua rau cov tshuaj lom neeg nrog hydrogen halide los tsim cov halohydrins. Nws ua rau cov tshuaj lom neeg nrog acetaldehyde los tsim cov methyldioxolane.
Ua ib tug neeg sawv cev bacteriostatic, propylene glycol zoo ib yam li ethanol, thiab nws cov txiaj ntsig hauv kev tiv thaiv pwm zoo ib yam li glycerin thiab qis dua me ntsis ntawm ethanol. Propylene glycol feem ntau yog siv ua plasticizer hauv cov ntaub ntawv txheej txheej aqueous. Kev sib xyaw ntawm cov khoom sib npaug nrog dej tuaj yeem ncua qhov hydrolysis ntawm qee cov tshuaj thiab ua rau kom muaj kev ruaj khov ntawm cov tshuaj.
Tsis muaj xim, nplaum thiab ruaj khov, nqus dej tau zoo, yuav luag tsis muaj saj thiab tsis muaj ntxhiab. Sib xyaw nrog dej, ethanol thiab ntau yam organic solvents. Siv ua raw khoom rau cov resins, plasticizers, surfactants, emulsifiers thiab demulsifiers, nrog rau antifreeze thiab heat carriers.
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Benzoic acid CAS: 65-85-0
Benzoic acid, tseem hu ua benzoic acid, muaj cov mis molecular ntawm C6H5COOH. Nws yog cov kua qaub aromatic yooj yim tshaj plaws uas pawg carboxyl txuas ncaj qha rau cov pa roj carbon ntawm lub nplhaib benzene. Nws yog ib qho tshuaj uas tsim los ntawm kev hloov hydrogen ntawm lub nplhaib benzene nrog pawg carboxyl (-COOH). Nws yog cov siv lead ua flaky tsis muaj xim, tsis muaj ntxhiab. Lub ntsiab lus yaj yog 122.13 ℃, lub ntsiab lus kub yog 249 ℃, thiab qhov ceev sib piv yog 1.2659 (15/4 ℃). Nws sublimates sai ntawm 100 ° C, thiab nws cov pa ua rau khaus heev thiab tuaj yeem ua rau hnoos tom qab ua pa. Me ntsis soluble hauv dej, yooj yim soluble hauv cov kuab tshuaj organic xws li ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride thiab ntoo thuv. Kev txuag roj. Nws muaj ntau yam hauv xwm hauv daim ntawv ntawm cov kua qaub dawb, ester lossis nws cov derivatives. Piv txwv li, nws muaj nyob rau hauv daim ntawv ntawm cov kua qaub dawb thiab benzyl ester hauv benzoin gum; nws muaj nyob rau hauv daim ntawv dawb hauv nplooj thiab qia tawv ntawm qee cov nroj tsuag; nws muaj nyob rau hauv cov tshuaj tsw qab Nws muaj nyob rau hauv daim ntawv ntawm methyl ester lossis benzyl ester hauv cov roj tseem ceeb; nws muaj nyob rau hauv daim ntawv ntawm nws cov derivative hippuric acid hauv nees zis. Benzoic acid yog ib qho kua qaub tsis muaj zog, muaj zog dua li cov roj fatty acids. Lawv muaj cov khoom siv 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 electrophilic substitution reaction tuaj yeem tshwm sim ntawm lub nplhaib benzene ntawm benzoic acid, feem ntau tsim cov khoom meta-substitution.
Benzoic acid feem ntau siv ua tshuaj lossis tshuaj tiv thaiv. Nws muaj cov nyhuv ntawm kev tiv thaiv kev loj hlob ntawm cov kab mob fungi, cov kab mob me me, 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 cov fibers hluavtaws, resins, coatings, roj hmab, thiab kev lag luam luam yeeb. Chiv thawj, benzoic acid tau tsim los ntawm carbonization ntawm benzoin gum lossis hydrolysis ntawm cov tshuaj book nrog dej alkaline. Nws kuj tseem tuaj yeem tsim los ntawm hydrolysis ntawm hippuric acid. Kev lag luam, benzoic acid yog tsim los ntawm huab cua oxidation ntawm toluene nyob rau hauv lub xub ntiag ntawm catalysts xws li cobalt thiab manganese; lossis nws yog tsim los ntawm hydrolysis thiab decarboxylation ntawm phthalic anhydride. Benzoic acid thiab nws cov ntsev sodium tuaj yeem siv ua cov neeg sawv cev antibacterial hauv latex, tshuaj txhuam hniav, jam lossis lwm yam khoom noj, thiab kuj tuaj yeem siv ua mordants rau dyeing thiab luam ntawv.
