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N-Isopropylhydroxylamine CAS: 5080-22-8
N-Isopropylhydroxylamine ndi madzi opanda mtundu omwe ali ndi fungo lamphamvu la ammonia.
- Imasungunuka m'madzi ndi zinthu zambiri zachilengedwe, koma siisungunuka m'zinthu zopanda polar.
- Ndi nucleophile yomwe imakhala ndi zotsatira zowonjezera ku zinthu monga ma ester, aldehydes, ndi ketones.
gwiritsani ntchito:
- N-Isopropylhydroxylamine imagwiritsidwa ntchito makamaka muzochita za organic synthesis, makamaka ngati amination reagent.
- Itha kugwiritsidwa ntchito popanga zinthu za aldehydes, ketones, ndi esters, komanso kutenga nawo mbali mu zochitika zina za cyclization.
- Ingagwiritsidwenso ntchito ngati reagent yochepetsera kuti ichite zochepetsera mu kapangidwe ka organic.
Njira yokonzekera:
- Njira yodziwika bwino yokonzekera N-isopropylhydroxylamine ndikuchita amidation reaction pa isopropyl alcohol kuti ipeze N-isopropylisopropylamide, kenako ndikugwiritsa ntchito mpweya wa ammonia kuti ugwire ntchito pa iyo kuti ipange N-isopropylhydroxylamine.
Chidziwitso cha Chitetezo:
- N-Isopropylhydroxylamine ndi chinthu chowononga chomwe chingayambitse kuyabwa ndi kupsa pokhudzana ndi khungu ndi maso.
- Valani magolovesi oteteza, magalasi oteteza maso ndi zida zina zodzitetezera mukamagwiritsa ntchito.
- Gwiritsani ntchito pamalo opumira bwino ndipo pewani kupuma mpweya wake.
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2,6-Dimethylaniline CAS 87-62-7
2,6-Dimethylaniline ndi madzi achikasu pang'ono okhala ndi kuchuluka kwa 0.973. Sasungunuka m'madzi, amasungunuka mu mowa, ether, ndipo amasungunuka mu hydrochloric acid.
Njira zopangira 2,6-dimethylaniline zimaphatikizapo njira ya 2,6-dimethylphenol aminolysis, njira ya o-methylaniline alkylation, njira ya aniline methylation, njira ya m-xylene disulfonation nitration ndi njira ya m-xylene disulfonation. Njira yochepetsera toluene nitration, ndi zina zotero.
Chogulitsachi ndi chofunikira kwambiri popanga mankhwala ophera tizilombo ndi mankhwala, ndipo chingagwiritsidwenso ntchito ngati zinthu zopangira mankhwala monga utoto. Chimayaka ndi moto wotseguka; chimayamwa ndi ma oxidants; chimawononga utsi wa poizoni wa nayitrogeni oxide ndi kutentha kwakukulu.
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2,4-Dimethyl aniline CAS 95-68-1
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2,4-Dimethyl aniline CAS 95-68-1
Ndi mafuta opanda mtundu. Mtundu wake umazama kwambiri mu kuwala ndi mpweya. Umasungunuka pang'ono m'madzi, umasungunuka mu ethanol, ether, benzene ndi acid solutions.
2,4-Dimethylaniline imapezeka pogwiritsa ntchito nitration ya m-xylene kuti ipeze 2,4-dimethylnitrobenzene ndi 2,6-dimethylnitrobenzene. Pambuyo poyeretsedwa, 2,4-dimethylnitrobenzene imapezeka. Chogulitsachi chimapezeka pogwiritsa ntchito catalytic hydrogenation reduction ya benzene. Chimagwiritsidwa ntchito ngati zinthu zophera tizilombo, mankhwala ndi utoto. Chimayaka moto wotseguka; chimagwira ntchito ndi ma oxidants; chimawononga utsi wa poizoni wa nayitrogeni oxide ndi kutentha kwakukulu. Panthawi yosungira ndi kunyamula, nyumba yosungiramo zinthu iyenera kukhala ndi mpweya wokwanira komanso youma pa kutentha kochepa; isungeni padera ndi ma acids, ma oxidants, ndi zowonjezera zakudya.
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1-(Dimethylamino)tetradecane CAS 112-75-4
1-(Dimethylamino)tetradecane CAS 112-75-4
Maonekedwe ake ndi amadzimadzi owonekera bwino. Osasungunuka m'madzi ndipo ndi ochepa thupi ngati madzi. Chifukwa chake amayandama pamadzi. Kukhudza kwake kungakwiyitse khungu, maso ndi nembanemba ya mucous. Kungakhale poizoni pomeza, kupuma kapena kuyamwa khungu.
Amagwiritsidwa ntchito popanga mankhwala ena. Ndipo amagwiritsidwa ntchito makamaka mu zosungira, zowonjezera mafuta, mabakiteriya, zotulutsa zitsulo zosowa, zotulutsa utoto, zosakaniza mchere, zopangira zokongoletsa, ndi zina zotero.
Malo osungira: Sungani pamalo ozizira, ouma, komanso amdima mu chidebe chotsekedwa bwino kapena silinda. Sungani kutali ndi zinthu zosagwirizana, magwero oyatsira moto ndi zinthu zosaphunzitsidwa. Sungani bwino ndipo lembani chizindikiro pamalopo. Tetezani zidebe/masilinda ku kuwonongeka kwenikweni.
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Triethylamine CAS: 121-44-8
Triethylamine (molekyulu ya mamolekyulu: C6H15N), yomwe imadziwikanso kuti N,N-diethylethylamine, ndi homo-trisubstituted tertiary amine yosavuta kwambiri ndipo ili ndi mawonekedwe ofanana ndi a tertiary amines, kuphatikiza kupanga mchere, oxidation, ndi triethyl Chemicalbook amine. Mayeso (Hisbergreaction) sayankha. Imawoneka ngati madzi owonekera opanda mtundu kapena achikasu owala okhala ndi fungo lamphamvu la ammonia ndipo imasuta pang'ono mlengalenga. Imasungunuka pang'ono m'madzi, imasungunuka mu ethanol ndi ether. Yankho lamadzi ndi la alkaline. Ndi poizoni komanso lokwiyitsa kwambiri.
Ikhoza kupezeka mwa kuchitapo kanthu ndi ethanol ndi ammonia pamaso pa haidrojeni mu reactor yokhala ndi chothandizira cha mkuwa-nickel-dongo pansi pa kutentha (190±2°C ndi 165±2°C). Kuchitapo kanthuko kudzapanganso monoethylamine ndi diethylamine. Pambuyo pa condensation, mankhwalawa amathiridwa ndi ethanol ndikuyamwa kuti apeze triethylamine yopanda kanthu. Pomaliza, pambuyo polekanitsidwa, kutaya madzi m'thupi ndi kugawidwa, triethylamine yoyera imapezeka.
Triethylamine ingagwiritsidwe ntchito ngati zosungunulira komanso ngati zinthu zopangira zinthu zachilengedwe, komanso imagwiritsidwanso ntchito popanga mankhwala, mankhwala ophera tizilombo, zoletsa polymerization, mafuta amphamvu kwambiri, zoyeretsera rabara, ndi zina zotero.
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Chloroacetone CAS: 78-95-5
Chloroacetone CAS: 78-95-5
Maonekedwe ake ndi madzi opanda mtundu komanso fungo loipa. Amasungunuka m'madzi, amasungunuka mu ethanol, ether ndi chloroform. Amagwiritsidwa ntchito popanga zinthu zachilengedwe popanga mankhwala, mankhwala ophera tizilombo, zonunkhira ndi utoto, ndi zina zotero.
Pali njira zambiri zopangira chloroacetone. Njira ya acetone chlorination pakadali pano ndi njira yayikulu yomwe imagwiritsidwa ntchito popanga zinthu zapakhomo. Chloroacetone imapezeka poika chlorinate acetone pamaso pa calcium carbonate, chinthu chomangira asidi. Onjezani acetone ndi calcium carbonate mu reactor malinga ndi kuchuluka kwa chakudya, sakanizani kuti mupange slurry, ndikutenthetsa kuti ibwererenso. Mukasiya kutentha, perekani mpweya wa chlorine kwa maola pafupifupi 3 mpaka 4, ndikuwonjezera madzi kuti musungunule calcium chloride yopangidwa. Mafutawo amasonkhanitsidwa, kenako amatsukidwa, amachotsedwa madzi, ndikusungunuka kuti apeze mankhwala a chloroacetone.
Makhalidwe osungira ndi mayendedwe a chloroacetone
Nyumba yosungiramo zinthu imapumira mpweya komanso imaumitsidwa pa kutentha kochepa; imatetezedwa ku malawi otseguka komanso kutentha kwambiri, ndipo imasungidwa ndikunyamulidwa mosiyana ndi chakudya ndi zinthu zowononga ma oxidants.
Malo osungira: 2-8°C -
Propylene glycol CAS: 57-55-6
Dzina lasayansi la propylene glycol ndi "1,2-propanediol". Racemate ndi madzi okhuthala a hygroscopic okhala ndi kukoma kokoma pang'ono. Amasakanikirana m'madzi, acetone, ethyl acetate ndi chloroform, ndipo amasungunuka mu ether. Amasungunuka m'mafuta ambiri ofunikira, koma osasakanikirana ndi petroleum ether, paraffin ndi mafuta. Ndi okhazikika kutentha ndi kuwala, ndipo amakhala okhazikika kwambiri kutentha kochepa. Propylene glycol imatha kusungunuka kukhala propionaldehyde, lactic acid, pyruvic acid ndi acetic acid kutentha kwambiri.
Propylene glycol ndi diol ndipo ili ndi mphamvu ya alcohols wamba. Imakhudzana ndi ma organic acid ndi ma inorganic acid kuti ipange monoesters kapena diesters. Imakhudzana ndi propylene oxide kuti ipange ether. Imakhudzana ndi hydrogen halide kuti ipange halohydrins. Imakhudzana ndi acetaldehyde kuti ipange methyldioxolane.
Monga mankhwala ophera tizilombo toyambitsa matenda, propylene glycol ndi yofanana ndi ethanol, ndipo mphamvu yake poletsa nkhungu ndi yofanana ndi ya glycerin ndipo ndi yocheperako pang'ono kuposa ya ethanol. Propylene glycol imagwiritsidwa ntchito kwambiri ngati pulasitiki mu zinthu zophimba filimu yamadzi. Kusakaniza magawo ofanana ndi madzi kumatha kuchedwetsa hydrolysis ya mankhwala ena ndikuwonjezera kukhazikika kwa mankhwala.
Madzi osasunthika, okhuthala komanso okhazikika omwe amayamwa madzi, osakoma komanso opanda fungo. Amasakanikirana ndi madzi, ethanol ndi zinthu zosiyanasiyana zosungunulira zachilengedwe. Amagwiritsidwa ntchito ngati zinthu zopangira ma resin, plasticizers, surfactants, emulsifiers ndi demulsifiers, komanso antifreeze ndi zonyamulira kutentha.
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Asidi ya Benzoic CAS: 65-85-0
Benzoic acid, yomwe imadziwikanso kuti benzoic acid, ili ndi molekyulu ya C6H5COOH. Ndi asidi wosavuta kwambiri wa aromatic womwe gulu la carboxyl limalumikizidwa mwachindunji ndi atomu ya kaboni ya mphete ya benzene. Ndi mankhwala opangidwa posintha hydrogen pa mphete ya benzene ndi gulu la carboxyl (-COOH). Ndi makhiristo opanda mtundu, opanda fungo losapsa. Malo osungunuka ndi 122.13℃, malo owira ndi 249℃, ndipo kuchuluka kwake ndi 1.2659 (15/4℃). Imasungunuka mwachangu pa 100°C, ndipo nthunzi yake imakwiyitsa kwambiri ndipo ingayambitse chifuwa mosavuta mutapumira. Imasungunuka pang'ono m'madzi, imasungunuka mosavuta mu zosungunulira zachilengedwe monga ethanol, ether, chloroform, benzene, toluene, carbon disulfide, carbon tetrachloride ndi pine Chemicalbook fuel saving. Imapezeka kwambiri mwachilengedwe mu mawonekedwe a free acid, ester kapena zotumphukira zake. Mwachitsanzo, imapezeka mu mawonekedwe a free acid ndi benzyl ester mu benzoin gum; imapezeka mu mawonekedwe a free mu masamba ndi tsinde la zomera zina; imapezeka mu fungo. Imapezeka mu mawonekedwe a methyl ester kapena benzyl ester mu mafuta ofunikira; imapezeka mu mawonekedwe a derivative hippuric acid mu mkodzo wa kavalo. Benzoic acid ndi asidi wofooka, wamphamvu kuposa mafuta acids. Ali ndi mphamvu zofanana zamakemikolo ndipo amatha kupanga mchere, ma esters, ma acid halides, ma amides, ma acid anhydrides, ndi zina zotero, ndipo sasungunuka mosavuta. Kusintha kwa electrophilic kungachitike pa mphete ya benzene ya benzoic acid, makamaka kupanga zinthu zosinthira meta.
Benzoic acid nthawi zambiri imagwiritsidwa ntchito ngati mankhwala kapena chosungira. Imaletsa kukula kwa bowa, mabakiteriya, ndi nkhungu. Ikagwiritsidwa ntchito ngati mankhwala, nthawi zambiri imagwiritsidwa ntchito pakhungu pochiza matenda a pakhungu monga mphutsi. Imagwiritsidwa ntchito mu ulusi wopangidwa, ma resin, zokutira, rabara, ndi mafakitale a fodya. Poyamba, benzoic acid idapangidwa ndi carbonization ya benzoin gum kapena hydrolysis ya mankhwala ndi madzi a alkaline. Itha kupangidwanso ndi hydrolysis ya hippuric acid. M'mafakitale, benzoic acid imapangidwa ndi oxidation ya mpweya wa toluene pamaso pa zinthu monga cobalt ndi manganese; kapena imapangidwa ndi hydrolysis ndi decarboxylation ya phthalic anhydride. Benzoic acid ndi mchere wake wa sodium zitha kugwiritsidwa ntchito ngati mankhwala ophera mabakiteriya mu latex, toothpaste, jamu kapena zakudya zina, ndipo zitha kugwiritsidwanso ntchito ngati zodzoladzola zopaka utoto ndi kusindikiza. -
Ethyl N-acetyl-N-butyl-β-alaninate CAS: 52304-36-6
BAAPE ndi mankhwala ophera tizilombo amphamvu kwambiri omwe amathamangitsa ntchentche, nsabwe, nyerere, udzudzu, mphemvu, ntchentche, ntchentche, utitiri wa flat utitiri, utitiri wa mchenga, utitiri wa mchenga, utitiri wa mchenga, ntchentche za cicadas, ndi zina zotero. Mankhwala ophera tizilombo; mphamvu yake yophera tizilombo imakhala nthawi yayitali ndipo ingagwiritsidwe ntchito m'malo osiyanasiyana a nyengo. Ndi yokhazikika pa mankhwala pansi pa mikhalidwe yogwiritsidwa ntchito ndipo imakhala yolimba kwambiri pa kutentha komanso yolimba thukuta kwambiri. BAAPE imagwirizana bwino ndi zodzoladzola ndi mankhwala omwe amagwiritsidwa ntchito nthawi zambiri. Itha kupangidwa kukhala mayankho, ma emulsions, mafuta odzola, zokutira, ma gels, ma aerosols, ma coil a udzudzu, ma microcapsules ndi mankhwala ena apadera ophera tizilombo, ndipo imathanso kuwonjezeredwa kuzinthu zina. Kapena muzinthu zina (monga madzi a chimbudzi, madzi ophera udzudzu), kotero kuti imakhala ndi mphamvu yophera tizilombo.
BAAPE ili ndi ubwino wosakhala ndi zotsatirapo zoyipa pakhungu ndi mucous membranes, palibe ziwengo, komanso palibe kulowa kwa khungu.
Kapangidwe kake: Madzi owoneka bwino opanda utoto kapena achikasu owala, ndi mankhwala abwino kwambiri ophera udzudzu. Poyerekeza ndi mankhwala ophera udzudzu wamba (DEET, omwe amadziwika kuti DEET), ali ndi mawonekedwe odziwika bwino a poizoni wochepa, kukwiya pang'ono, komanso nthawi yayitali yophera udzudzu. , chinthu choyenera cholowa m'malo mwa mankhwala ophera udzudzu wamba.
Mankhwala oletsa udzudzu osungunuka m'madzi (BAAPE) sagwira ntchito bwino poyerekeza ndi mankhwala achikhalidwe a DEET pothamangitsa udzudzu. Komabe, poyerekeza, DEET (IR3535) siimayambitsa chisokonezo ndipo siilowa pakhungu.
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2-Methoxyethanol CAS 109-86-4
Ethylene glycol monomethyl ether (yofupikitsidwa kuti MOE), yomwe imadziwikanso kuti ethylene glycol methyl ether, ndi madzi opanda mtundu komanso owonekera bwino, osakanikirana ndi madzi, mowa, acetic acid, acetone ndi DMF. Monga chosungunulira chofunikira, MOE imagwiritsidwa ntchito kwambiri ngati chosungunulira mafuta osiyanasiyana, ma cellulose acetate, ma cellulose nitrates, utoto wosungunuka ndi mowa ndi ma resins opangidwa.
Imapezeka ndi kuyanjana kwa ethylene oxide ndi methanol. Onjezani methanol ku boron trifluoride ether complex, ndikulowetsa ethylene oxide pa 25-30°C mukusakaniza. Pambuyo podutsa, kutentha kumakwera mpaka 38-45°C. Yankho lotsatira limachiritsidwa ndi potassium hydrocyanide- Sinthani yankho la methanol kukhala pH=8-Chemicalbook9. Bwezerani methanol, isungunuleni, ndikusonkhanitsa magawo asanafike 130°C kuti mupeze chinthu chosaphikidwa. Kenako chitani distillation ya magawo, ndikusonkhanitsa gawo la 123-125°C ngati chinthu chomalizidwa. Pakupanga mafakitale, ethylene oxide ndi anhydrous methanol zimayankhidwa pa kutentha kwakukulu komanso kupanikizika popanda chothandizira, ndipo chinthu chokolola chambiri chingapezeke。
Chogulitsachi chimagwiritsidwa ntchito ngati chosungunulira mafuta osiyanasiyana, lignin, nitrocellulose, cellulose acetate, utoto wosungunuka ndi mowa ndi ma resins opangidwa; monga chothandizira kudziwa chitsulo, sulfate ndi carbon disulfide, ngati chosungunulira zokutira, komanso cellophane. Mu zotsekera zopaka, ma varnish ouma mwachangu ndi enamel. Chingagwiritsidwenso ntchito ngati cholowetsa ndi choyezera mumakampani opanga utoto, kapena ngati pulasitiki ndi chowunikira. Monga chothandizira pakupanga mankhwala achilengedwe, ethylene glycol monomethyl ether imagwiritsidwa ntchito kwambiri popanga acetate ndi ethylene glycol dimethyl ether. Ndi chinthu cha Chemicalbook chopangira bis(2-methoxyethyl)phthalate plasticizer. Kusakaniza kwa ethylene glycol monomethyl ether ndi glycerin (ether: glycerin = 98:2) ndi chowonjezera cha mafuta ankhondo chomwe chingalepheretse icing ndi dzimbiri la bakiteriya. Pamene ethylene glycol monomethyl ether imagwiritsidwa ntchito ngati choletsa kukula kwa mafuta a jet, kuchuluka kwa zowonjezera ndi 0.15% ± 0.05%. Ili ndi hydrophilicity yabwino. Imagwiritsa ntchito gulu lake la hydroxyl mu mafuta kuti igwirizane ndi kuchuluka kwa mamolekyu amadzi mu mafuta. Kupangidwa kwa mgwirizano wa hydrogen bond, pamodzi ndi malo ake otsika kwambiri oundana, kumachepetsa malo oundana a madzi mu mafuta, zomwe zimapangitsa kuti madziwo alowe mu ayezi. Ethylene glycol monomethyl ether ndi chowonjezera chotsutsana ndi tizilombo toyambitsa matenda.
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1,4-Butanediol diglycidyl ether CAS 2425-79-8
1,4-Butanediol glycidyl ether, yomwe imadziwikanso kuti 1,4-butanediol dialkyl ether kapena BDG, ndi mankhwala achilengedwe. Ndi madzi opanda mtundu kapena achikasu owala komanso osasinthasintha kwambiri. Amasungunuka m'zinthu zambiri zachilengedwe monga ethanol, methanol ndi dimethylformamide. Amagwiritsidwa ntchito kwambiri ngati zinthu zopangira mankhwala ndi zosungunulira. Amagwiritsidwanso ntchito ngati chokhazikika cha utoto ndi utoto.
1,4-Butanediol glycidyl ether imatha kupangidwa pogwiritsa ntchito esterification ya 1,4-butanediol ndi yankho la methanol kapena methanol. Nthawi zambiri zimachitika pansi pa kupanikizika kwakukulu komanso pamaso pa chothandizira.
Mukamagwiritsa ntchito 1,4-butanediol glycidyl ether, muyenera kusamala kuti musakhudze khungu ndi maso. Mukamagwiritsa ntchito ndi kusunga, kutentha kwambiri ndi magwero a moto ziyenera kupewedwa. Samalani kwambiri potseka ziwiya zosungiramo zinthu kuti mupewe kuuma ndi kutuluka kwa madzi. -
Diethanolamine CAS: 111-42-2
Ethanolamine EA ndiye chinthu chofunikira kwambiri mu ethanol, kuphatikiza monoethanolamine MEA, diethanolamine DEA ndi triethanolamine TEA. Ethanolamine ndi chinthu chofunikira kwambiri cha organic, chomwe chimagwiritsidwa ntchito kwambiri mu ma surfactants, zotsukira zopangira, zowonjezera za petrochemical, utomoni wopangidwa ndi rabara ndi pulasitiki, zofulumizitsa, zotulutsa mpweya ndi zotulutsa thovu, komanso kuyeretsa mpweya, mankhwala oletsa kuzizira, kusindikiza ndi kupaka utoto, mankhwala, mankhwala ophera tizilombo, zomangamanga, mafakitale ankhondo ndi madera ena. Zinthu zomwe zili pansi pa ethanolamine ndi zinthu zofunika kwambiri zapakati pa mankhwala.
Diethanolamine, yomwe imadziwikanso kuti bishydroxyethylamine ndi 2,2′-iminobisethanol, ndi madzi oyera a kristalo kapena opanda mtundu omwe ali ndi hygroscopicity yamphamvu. Amasungunuka mosavuta m'madzi, methanol, ethanol, acetone ndi benzene. Kusungunuka kwake (g/100g) mu benzene pa 25°C ndi 4.2 ndipo mu ether ndi 0.8. Cholinga chake ndi: chotsukira mpweya, chomwe chimatha kuyamwa mpweya wa Chemicalbook acidic mu mpweya, monga carbon dioxide, hydrogen sulfide, sulfure dioxide, ndi zina zotero. Yankho la "Benfield" lomwe limagwiritsidwa ntchito mumakampani opanga ammonia limapangidwa makamaka ndi mankhwalawa; limagwiritsidwanso ntchito popangira emulsification. Zinthu monga mafuta, ma shampoo, ma thickeners, ndi zina zotero; zinthu zosakaniza zachilengedwe, zomwe zimagwiritsidwa ntchito popanga zinthu zopangira sopo, zosungira ndi mankhwala a tsiku ndi tsiku (monga ma surfactants); kupanga morpholine.
Diethanolamine imagwiritsidwa ntchito ngati zinthu zopangira zinthu zosungiramo zinthu m'makampani opanga mankhwala. Imagwiritsidwa ntchito ngati chinthu cholumikizirana popanga thovu la polyurethane lolimba kwambiri. Imasakanizidwa ndi triethanolamine ngati sopo wa ma piston a injini ya ndege. Imayanjana ndi mafuta acids kupanga ma alkyl alkyl. Imagwiritsidwanso ntchito mu zinthu zopangira zachilengedwe, zinthu zopangira ma surfactants Chemicalbook ndi acid gas absorbers, yomwe imagwiritsidwa ntchito ngati zothina ndi zosinthira thovu m'ma shampu ndi sopo wopepuka, ngati zinthu zosinthira pakati pa makampani opanga zinthu zachilengedwe, komanso m'makampani opanga mankhwala. Monga chosungunulira, imagwiritsidwa ntchito kwambiri m'makampani ochapira, makampani odzola, ulimi, makampani omanga ndi mafakitale achitsulo.
