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Diethylenetriamine pentaacetic acid CAS: 67-43-6
Diethylenetriamine pentaacetic acid CAS: 67-43-6
Diethylenetriaminepentacetic acid (DTPA), yomwe imatchedwanso diethylenetriaminepentacetic acid, ndi mankhwala abwino kwambiri a aminocarboxylic complexing omwe ali ndi mphamvu zamphamvu zoyezera. Chomera chomwe chimapanga ndi ma cations ambiri ndi chabwino kuposa cha ethylenediaminetetraacetic acid. Chelate yofanana nayo iyenera kukhala yokhazikika.
Monga chothandizira kwambiri pa chelating, diethylene triamine pentaacetic acid ingagwiritsidwe ntchito poletsa mitundu popanga ulusi wa acrylic, makampani opanga mapepala, zofewetsa madzi, zothandizira nsalu, zotengera chelating, kujambula mitundu ndi mafakitale azakudya. Imagwiritsidwanso ntchito muzinthu zamankhwala, zachilengedwe zosowa. Imagwiritsidwanso ntchito kwambiri popanga zinthu zosiyanasiyana komanso ulimi.
Chogulitsachi ndi ufa woyera wa kristalo kapena kristalo. Malo osungunuka 230 ℃ (kuwola), amasungunuka m'madzi otentha ndi yankho la alkali, amasungunuka pang'ono m'madzi ozizira, osasungunuka m'zinthu zachilengedwe monga ma ether a mowa. -
DIALLL ISOPHTHALATE CAS: 1087-21-4
DALLYL ISOPHTHALATE CAS: 1087-21-4，Amadziwikanso kuti reagent ya level four. Ndi ya mankhwala a propyl ester.
Ma polima a Diallyl isophthalate amafanana kwambiri pokonzekera, makhalidwe ndi ntchito ndi ma polima a diallyl isophthalate omwe afotokozedwa pamwambapa. Ma molding opangidwa ndi diallyl isophthalate ndi okwera mtengo koma amapereka kukhazikika kwa kutentha (amatha kupirira kutentha mpaka pafupifupi 220°C kwa nthawi yayitali) komanso kukana zinthu zachilengedwe.
Ndi madzi achikasu pang'ono amafuta. Onunkhira pang'ono. Amasakanikirana ndi ethanol, osasungunuka m'madzi.
Amagwiritsidwa ntchito makamaka pa kafukufuku wa biochemical. Organic synthesis. Kukonzekera utomoni wotentha kwambiri. -
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
N,N-Bis(2-cyanoethyl)aniline CAS: 1555-66-4
Ufa woyera wa krustalo. Umasungunuka mosavuta mu zosungunulira zachilengedwe, umasungunuka ma asidi ndi kusungunuka alkali, koma susungunuka m'madzi. Umagwiritsidwa ntchito ngati utoto wapakati.
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N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-Dimethylbenzylamine CAS: 103-83-3
N,N-dimethylbenzylamine nthawi zambiri imagwiritsidwa ntchito ngati reagent mu organic synthesis komanso ngati chothandizira kupanga thovu la polyurethane ndi epoxy resin. Imayanjana ndi Os3(CO) kuti ipange gulu la triosmium.
N,N dimethylbenzylamine mu methanol-tetra-N-butyl ammonium fluoroborate ndi methanol-potassium hydroxide. Amagwiritsidwa ntchito popanga bis[(N,N-dimethylamino)benzyl]selenoether. Ingagwiritsidwenso ntchito ngati organic synthesis intermediate, dehydrogenation catalyst, preservative, acid neutralizer, ndi zina zotero.
Ndi madzi oyaka opanda mtundu kapena wachikasu wopepuka. Amanunkhiza ngati ammonia. Amasungunuka mosavuta mu ethanol ndi ether, samasungunuka kwambiri m'madzi.
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4-Methyldiphenylamine CAS: 620-84-8
4-Methyldiphenylamine CAS: 620-84-8
Zipangizo zopangira zachilengedwe: cycloalkylamines, aromatic monoamines, aromatic polyamines ndi zotumphukira zake ndi mchere. Mawonekedwe ake ndi kristalo woyera. Amagwiritsidwa ntchito makamaka pa zinthu zopangira zachilengedwe, kupanga zinthu zogwira ntchito zachilengedwe ndi mankhwala, komanso photochemistry ndi zinthu zopangira madzi a kristalo. Sasungunuka m'madzi. Amasungunuka mu benzene, toluene, methanol, ethanol. Kuti asungidwe bwino, Sungani pamalo amdima, Otsekedwa muudzu, Kutentha kwa chipinda.
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N,N-Dimethylacetamide CAS: 127-19-5
N,N-Dimethylacetamide CAS: 127-19-5
Makhalidwe a mankhwala: Makhalidwe a mankhwalawo ndi ofanana kwambiri ndi N,N-dimethylformamide, ndipo ndi chosungunulira cha amide. Ngati palibe asidi kapena alkali, sichimawola chikatenthedwa mpaka kuwira pansi pa mphamvu yachibadwa, kotero chimatha kusungunuka pansi pa mphamvu yachibadwa. Mlingo wa hydrolysis umakhala wochepa kwambiri. Pamene N,N-dimethylacetamide yokhala ndi madzi 5% imatenthedwa pa 95°C kwa maola 140, 0.02% yokha imatenthedwa. Komabe, pamene pali asidi ndi alkali, mlingo wa hydrolysis umawonjezeka. Saponification imachitika ikatenthedwa pamaso pa alkali wamphamvu.
ntchito
1. Dimethylacetamide yapakati ya mankhwala ndi chinthu chofunikira kwambiri chopangira mankhwala ndipo chimagwiritsidwa ntchito kwambiri popanga amoxicillin, cephalosporins ndi mankhwala ena. Monga chosungunulira kapena cocatalyst, dimethylacetamide imatha kukweza ubwino wa mankhwala ndi zokolola poyerekeza ndi zosungunulira zachilengedwe. Mu 2000, kufunikira kwa dimethylacetamide mumakampani opanga mankhwala kunali pafupifupi 6kt. Kufunika kwa dimethylacetamide mu 2006 kunali pafupifupi 9.6kt. 2. Kupanga ulusi wa acrylic Pakupanga ulusi wa acrylic, ena amagwiritsa ntchito njira ya dimethylacetamide. Pakadali pano, kupanga ulusi wa acrylic m'nyumba Chemicalbook makamaka imaphatikizapo njira ya sodium thiocyanate ya masitepe awiri, njira ya dimethylformamide ya sitepe imodzi ndi njira ya dimethylacetamide yachilengedwe yonyowa malinga ndi zosungunulira. Kuchokera pamalingaliro a machitidwe ndi zida, kugwiritsa ntchito zinthu, kukhudzidwa kwa chilengedwe, mtundu wa mankhwala, Zinthu zambiri monga magwiridwe antchito pambuyo pa kukonza, kuchuluka kwa malo ndi chitukuko chakunja zawonjezera kafukufuku wogwiritsa ntchito ndi kukwezedwa. Dimethylacetamide idagwiritsidwa ntchito ngati kufananiza kwathunthu. Njira ya sodium thiocyanate yokhala ndi magawo awiri ndi njira ya dimethylacetamide organic wet inagwiritsidwa ntchito. Njira yabwino kwambiri yopangira zinthu inali chitukuko. Pakadali pano, ma acrylic fiber ambiri ku China amagwiritsa ntchito njira zonyowa pogwiritsa ntchito dimethylacetamide ngati chosungunulira. -
Alyl alcohol CAS: 107-18-6
Alyl alcohol CAS: 107-18-6
chilengedwe
Madzi opanda mtundu ndi fungo la mpiru lopweteka. Kuchulukana kwa mpiru ndi o. 8520. Kuzizira -129℃. Kuwira ndi 96.9℃. Kutentha kofunikira ndi 271.9℃. Kuwala (chikho chotsekedwa) 22.2℃. Chimakhala vitreous pa -190℃. Chizindikiro cha refractive 1. 4132. Chimasakanikirana ndi madzi, ether, ethanol, chloroform ndi petroleum ether.
gwiritsani ntchito
Ndi chinthu chopangira glycerin, mankhwala, mankhwala ophera tizilombo, zonunkhira ndi zodzoladzola, komanso ndi chinthu chopangira diallyl phthalate resin ndi bis(2,3-bromopropyl)fumarate. Zinthu zochokera ku silane zochokera ku allyl alcohol ndi copolymers zokhala ndi styrene zimagwiritsidwa ntchito kwambiri popanga zokutira ndi magalasi.
Makampani opanga ulusi. Urethane wa allyl ungagwiritsidwe ntchito m'mafakitale opanga utoto wa polyurethane komanso opanga zinthu zopanga utoto.
chitetezo
Ili ndi fungo lapadera ndipo imatha kukwiyitsa kwambiri maso, khungu, pakhosi, ndi nembanemba ya mucous. Pa milandu yoopsa, ingayambitse khungu. Kumamatira pakhungu kungayambitse kufiira ndikuyambitsa kutentha, ndipo imalowa mwachangu pakhungu, zomwe zimayambitsa matenda a chiwindi, nephritis, hematuria ndi zizindikiro zina. Chimodzi mwa zakumwa zoledzeretsa kwambiri, LD50 ya pakamwa m'makoswe ndi 64rng/kg. Dog oral LD50 40mg/kg. Kuchuluka kovomerezeka mumlengalenga pamalo opangira ndi 5rng/m3. Pa kuchuluka kumeneku, kuyabwa kumakhala kwamphamvu kwambiri ndipo sikungalekereredwe kwa nthawi yayitali. Ngati ikuthira pakhungu, tsukani ndi madzi ndikupaka mankhwala okhala ndi mafuta. Valani zida zodzitetezera mukamayigwiritsa ntchito. -
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine CAS：101-83-7
Dicyclohexylamine imakonzedwa pogwiritsa ntchito aniline ngati zinthu zopangira ndikuiwonjezera hydrogen pa kutentha kwakukulu komanso kuthamanga kwambiri pamaso pa chothandizira.
Amagwiritsidwa ntchito kwambiri ngati gawo lapakati pa kapangidwe ka organic ndipo angagwiritsidwe ntchito pokonza zinthu zopaka utoto, zothamangitsa mphira, utoto wa nitrocellulose, mankhwala ophera tizilombo, zosakaniza, zosungira, zoletsa dzimbiri za gasi komanso zowonjezera zamafuta oletsa antioxidant, ndi zina zotero. Amagwiritsidwanso ntchito ngati chotulutsira. Mafuta acid mchere ndi sulfates a dicyclohexylamine ali ndi mphamvu zochotsa banga ngati sopo ndipo amagwiritsidwa ntchito m'mafakitale osindikizira, opaka utoto komanso opaka nsalu. Zitsulo zake zimagwiritsidwa ntchito ngati zosakaniza za inki ndi utoto.
Madzi amafuta opanda mtundu komanso owonekera bwino okhala ndi fungo la amoniya. Amasungunuka pang'ono m'madzi, amatha kusakanikirana ndi zinthu zachilengedwe. -
N-Methylformamide (NMF) CAS：123-39-7
N-Methylformamide (NMF) CAS：123-39-7
N-methylformamide yoyera ndi madzi opanda mtundu, owonekera bwino komanso okhuthala, mp-3.8℃, bp198℃, n25D 1.4310, kachulukidwe koyerekeza 0.9986 (25℃), amasungunuka m'madzi, amathanso kusungunula mchere wosapangidwa, ndipo ndi hygroscopic. Amawola mosavuta mu njira za acidic kapena alkaline.
N-methylformamide ndi chinthu chofunikira kwambiri chopangidwa ndi zinthu zachilengedwe. Chimagwiritsidwa ntchito popanga mankhwala ophera tizilombo, mankhwala ophera tizilombo ndi ma acaricides monga monoformamidine ndi diformamidine. Chimagwiritsidwanso ntchito popanga mankhwala, chikopa chopangidwa, chikopa chopangidwa, komanso ngati chosungunulira nsalu za ulusi wa mankhwala.
Njira Yopangira 1. Njira ya Methylamine imapangidwa ndi momwe methylamine ndi carbon monoxide zimachitikira. 2. Njira ya Methyl formate imapangidwa ndi momwe methyl formate ndi methylamine zimachitikira. 3. Zimapangidwa kuchokera ku momwe ethyl formate ndi methylamine zimachitikira. Onjezani ethyl formate mu reactor, onjezerani methylamine madzi oundana pansi pa kuzizira, ndikubwezeretsa zomwe zimachitika pa 40°C. Kenako zimasiyidwa kwa masiku atatu, ndipo ethanol imabwezeretsedwa pansi pa kupanikizika kochepa kuti ipeze chinthu chopanda kanthu. Chomwe chimamalizidwa chimapezedwa ndi distillation pansi pa kupsinjika kochepa.
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3-Dimethylaminopropylamine CAS: 109-55-7
Diamine ndi gulu lofunika kwambiri la mankhwala omwe amagwiritsidwa ntchito kwambiri ngati zinthu zopangira, zinthu zapakati kapena zinthu zina. Mwachitsanzo, diamine ndi gawo lofunika kwambiri pakupanga polyamide ndi zina zomwe zimapangitsa kuti polymerization ichitike. N,N-dimethyl-1Chemicalbook,3-diaminopropane (DMAPA) ndi gawo lofunika kwambiri, lomwe limagwiritsidwa ntchito mwachitsanzo pokonza mafuta opangira mafuta m'mafakitale. Kuphatikiza apo, DMAPA imagwiritsidwa ntchito ngati zinthu zopangira ma coagulants ndipo yokha iyenera kukhala ndi mphamvu zotsutsana ndi dzimbiri.
Ndi madzi owonekera opanda mtundu. Amasungunuka m'madzi ndi zinthu zosungunulira zachilengedwe. Amagwiritsidwa ntchito kwambiri popanga zinthu zokongoletsa, monga palmitamide dimethylpropylamine, cocamidopropyl betaine, mink oil amidopropylamine, ndi zina zotero.
Pogwiritsa ntchito dimethylaminopropionitrile [1738-25-6] ngati zinthu zopangira, hydrogenation ndi methanol zimawonjezedwa pamaso pa Ni-Al catalyst, kenako zimasefedwa ndikusungunuka kuti zipeze chinthu chomalizidwa cha 3-dimethylaminopropylamine. Kuyera kwa chinthu chomwe chapezeka kumatha kufika pa 99%, ndipo tani iliyonse ya chinthucho imadya 1150kg ya dimethylaminopropionitrile. -
2-(N-Ethyl-m-toluidino)ethanol CAS: 91-88-3
N-ethyl-N-hydroxyethyl m-toluidine (2-(Ethyl(m-tolyl)amino)ethanol) ndi madzi achikasu opepuka komanso opaka utoto. Amagwiritsidwa ntchito popanga utoto wa cationic, monga cationic red 6B. Amagwiritsidwanso ntchito ngati zopangira popanga utoto ndi mankhwala.
Kagwiritsidwe: 1. Zopaka utoto pakati.
Chachiwiri, imagwiritsidwa ntchito popanga utoto wa cationic, monga cationic red 6B.
3. Amagwiritsidwa ntchito ngati zipangizo zopangira opanga utoto ndi mankhwala.
njira yopangira
1. njira ya m-toluidine
Imapangidwa kuchokera ku m-toluidine ndi ethyl iodide ngati zinthu zopangira.
Njira yachiwiri, N-ethyl m-toluidine
Imakonzedwa pogwiritsa ntchito N-ethyl m-toluidine ngati zinthu zopangira ndipo imayanjana ndi chloroethanol (kapena ethylene oxide).
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N,N-Dimethylformamide CAS 68-12-2
Dimethylformamide ndi madzi opanda mtundu komanso owonekera bwino. Sikuti ndi mankhwala opangidwa ndi mankhwala okha, komanso ndi mankhwala abwino kwambiri okhala ndi ntchito zosiyanasiyana. Dimethylformamide ndi chinthu chofunikira kwambiri pamakampani opanga mankhwala, petrochemical, chikopa ndi mafakitale ena.
Dimethylformamide imatchedwa DMF. Ndi mankhwala omwe gulu la hydroxyl la formic acid limalowetsedwa m'malo ndi gulu la dimethylamino, lomwe lili ndi molecular formula HCON(CH3)2. Ndi madzi otentha kwambiri opanda mtundu komanso owonekera bwino okhala ndi fungo lopepuka la amine komanso kuchuluka kwa 0.9445 (25℃). Malo osungunuka -61℃. Malo owira 152.8℃. Malo owunikira 57.78℃. Kuchuluka kwa nthunzi 2.51. Kuthamanga kwa nthunzi 0.49kpa (3.7mmHg25℃). Malo oyatsira moto ndi 445℃. Malire a kuphulika kwa nthunzi ndi mpweya ndi 2.2~15.2%. Kukhudzana ndi malawi otseguka ndi kutentha kwambiri kungayambitse kuyaka ndi kuphulika. Imatha kuchitapo kanthu mwamphamvu ndi sulfuric acid yolimba komanso nitric acid yofukiza komanso kuphulika. Imasakanikirana ndi madzi ndi zinthu zambiri zachilengedwe. Chemicalbook. Ndi chinthu chodziwika bwino chosungunulira zinthu zamagetsi. Dimethylformamide yoyera ilibe fungo, koma dimethylformamide yotsika mtengo kapena yotsika mtengo ili ndi fungo la nsomba chifukwa ili ndi zinthu zodetsa za dimethylamine. Dzinali limachokera ku mfundo yakuti ndi dimethyl m'malo mwa formamide (amide wa formic acid), ndipo magulu onse awiri a methyl ali pa atomu ya N (nayitrogeni). Dimethylformamide ndi chosungunulira cha polar (hydrophilic) aprotic chokhala ndi kutentha kwakukulu, chomwe chingathandize kuti SN2 reaction ichitike. Dimethylformamide imapangidwa kuchokera ku formic acid ndi dimethylamine. Dimethylformamide ndi yosakhazikika (makamaka kutentha kwambiri) pamaso pa maziko olimba monga sodium hydroxide kapena ma acid amphamvu monga hydrochloric acid kapena sulfuric acid, ndipo imasungunuka kukhala formic acid ndi dimethylamine.
Ndi yokhazikika kwambiri mumlengalenga komanso ikatenthedwa mpaka kuwira. Kutentha kukapitirira 350°C, imataya madzi ndikupanga carbon monoxide ndi dimethylamine. N,N-dimethylformamide ndi solute yabwino kwambiri ya aprotic polar yomwe imatha kusungunula zinthu zambiri zachilengedwe ndi zosapangidwa ndipo imasakanikirana ndi madzi, ma alcohols, ethers, aldehydes, ketones, esters, halogenated hydrocarbons ndi aromatic hydrocarbons. . Mapeto a molekyulu ya N,N-dimethylformamide omwe ali ndi mphamvu yabwino amazunguliridwa ndi magulu a methyl, kupanga chotchinga cha spatial Chemicalbook chomwe chimaletsa ma negative ions kuti asayandikire ndipo chimangogwirizanitsa ma positive ions. Ma bare anions amagwira ntchito kwambiri kuposa ma solvated anions. Ma ionic reactions ambiri ndi osavuta kuchita mu N,N-dimethylformamide kuposa ma protic solvents ambiri. Mwachitsanzo, ma carboxylates ndi ma halogenated hydrocarbons amachita mu N,N-dimethylformamide kutentha kwa chipinda. , amatha kupanga ma esters okhala ndi zokolola zambiri, ndipo ndi oyenera kwambiri popanga ma esters omwe ali ndi vuto la sterically.
