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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.
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N,N-Diethylaniline CAS:91-66-7
N,N-Diethylaniline CAS:91-66-7
Madzi opanda utoto mpaka achikasu. Ali ndi fungo lapadera. Amasungunuka pang'ono m'madzi, amasungunuka mu zinthu zachilengedwe monga ethanol, ether, chloroform ndi benzene. Amapangidwa kuchokera ku zomwe zimachitika mu aniline ndi ethyl chloride. Chiwerengero cha zinthu zopangira: aniline 645kg/t, ethyl chloride (95%) 1473kg/t, caustic soda (42%) 1230kg/t, phthalic anhydride 29kg/t.
Itha kugwiritsidwa ntchito pokonza utoto wa azo, utoto wa triphenylmethane, ndi zina zotero. Ndi chinthu chofunikira kwambiri popanga mankhwala ndi opanga mafilimu amitundu, ndipo ntchito zake ndi zambiri.
Kusungirako: Nyumba yosungiramo zinthu imapumira mpweya ndipo imaumitsidwa pa kutentha kochepa; imasungidwa padera ndi ma acid, ma oxidants ndi zowonjezera chakudya. -
Polyethylene-polyamines CAS: 68131-73-7
Polyethylene-polyamines CAS: 68131-73-7
Maonekedwe amadzimadzi okhuthala monga lalanje-ofiira mpaka bulauni.
Kagwiritsidwe Ntchito: Amagwiritsidwa ntchito popanga utomoni wosinthana wa anion, nembanemba yosinthana ya ion, demulsifier ya mafuta osaphika, chowonjezera cha mafuta odzola, ndi zina zotero. Amagwiritsidwanso ntchito ngati epoxy resin curing agent komanso chowonjezera chopanda cyanide.
Kusungunuka: Kusungunuka m'madzi ndi ethanol, kosasungunuka mu ether, kumayamwa mosavuta chinyezi ndi carbon dioxide mumlengalenga, ndikupanga mchere wofanana ndi ma acid, omwe amauma kutentha kochepa.
N'zosavuta kwambiri kuphulika mukakhala ndi mphamvu, kukangana, moto wotseguka kapena zinthu zina zoyatsira moto. Sungani m'nyumba yosungiramo zinthu yozizira, youma komanso yopatsa mpweya wokwanira yoperekedwa ku zinthu zophulika. Kutentha kosungirako sikuyenera kupitirira 32°C ndipo chinyezi sichiyenera kupitirira 80%. Sungani kutali ndi zinthu zoyaka moto ndi kutentha. Ziyenera kusungidwa padera ndi zinthu zowononga, ma asidi, ndi alkali, ndipo pewani kusungiramo zinthu zosiyanasiyana. Zikhale ndi mitundu yosiyanasiyana komanso kuchuluka koyenera kwa zida zoyatsira moto. Zipangizo zoyenera ziyenera kupezeka m'malo osungiramo zinthu kuti zisatayike. Palibe kugwedezeka, kugwedezeka ndi kukangana.
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Asidi ya Ethylenediaminetetraacetic CAS: 60-00-4
Asidi ya Ethylenediaminetetraacetic CAS: 60-00-4
katundu wa mankhwala
Mankhwalawa amasungunuka kuchokera m'madzi ngati ufa woyera. Kusungunuka m'madzi pa 25℃ ndi 0.5g/L. Sisungunuka m'madzi ozizira, mowa ndi zinthu zina zachilengedwe. Amasungunuka mu sodium hydroxide, sodium carbonate ndi ammonia solutions.
Njira yopangira:
Kuyankha kwa ethylenediamine ndi chloroacetic acid. Onjezani 100kg ya chloroacetic acid, 100kg ya ayezi ndi 135kg ya sodium hydroxide solution (30%) mu ketulo ya reaction, kenako onjezerani 18kg ya 83% mpaka 84% ya ethylenediamine mukamasakaniza. Ikani pa 15°C kwa ola limodzi. Onjezani 30Chemicalbook% sodium hydroxide solution m'magulu a 10L nthawi iliyonse. Mukawonjezera, onjezerani gulu lina pambuyo poti yankho la phenolphthalein test solution silikuoneka lofiira. Sungani kutentha kwa chipinda kwa maola 12. Tenthetsani mpaka 90°C ndikuchotsa utoto ndi activated carbon. Sefa, tsukani zotsalira za fyuluta ndi madzi, ndipo potsiriza sinthani pH kukhala 3 ndi concentrated hydrochloric acid. Ziziritsani ndi kusakaniza, sefani ndi kutsuka ndi madzi mpaka palibe chloride ion reaction. Zouma.
Kachitidwe ka ethylenediamine ndi formaldehyde ndi sodium cyanide. Sakanizani 60% ya ethylenediamine aqueous solution, 30% ya sodium cyanide aqueous solution ndi sodium hydroxide, ndipo sungani chisakanizocho pa 20°C kwa maola 0.5. Kenako onjezerani formaldehyde aqueous solution pang'onopang'ono. Pambuyo pa kachitidweko, buku la mankhwala linachotsedwa ndipo madziwo anasanduka nthunzi. Kenako bwerezani ntchito yomwe ili pamwambapa, ndikuwonjezera formaldehyde yochulukirapo komaliza kuti sodium cyanide igwire ntchito mokwanira. Sinthani pH kukhala 1.2 ndi asidi wosungunuka. Choyera choyera chimasungunuka, chosefedwa, chotsukidwa ndi madzi, ndikuumitsidwa pa 110°C. Pezani mankhwalawa.
Ethylenediaminetetraacetic acid (EDTA) ndi chinthu chofunikira kwambiri chophatikiza zinthu. EDTA imagwiritsidwa ntchito kwambiri ndipo ingagwiritsidwe ntchito ngati chosungunula zinthu pokonza zinthu zowala, zopaka utoto, zosakaniza zopangira ulusi, zowonjezera zokongoletsa, zoletsa magazi, zotsukira, zokhazikika, zoyambitsa kupanga polymerization ya rabara, EDTA ndi chinthu choyimira zinthu zosakaniza. Imatha kupanga mankhwala osungunuka m'madzi okhala ndi zitsulo za alkali, zinthu zapadziko lapansi zosadziwika bwino komanso zitsulo zosinthira. Kuphatikiza pa mchere wa sodium, palinso mchere wa ammonium ndi mchere wosiyanasiyana monga chitsulo, magnesium, calcium, copper, manganese, zinc, cobalt, ndi aluminiyamu. Mchere uliwonse uli ndi ntchito zosiyanasiyana. Kuphatikiza apo, EDTA ingagwiritsidwenso ntchito kutulutsa mwachangu zitsulo zowopsa za radioactive kuchokera m'thupi la munthu ndikuchita gawo lochotsa poizoni. Ndi chinthu chochizira madzi. EDTA ndi chizindikiro chofunikira, koma imagwiritsidwa ntchito kutsitsa nickel yachitsulo, mkuwa, ndi zina zotero. Ikagwiritsidwa ntchito, iyenera kugwiritsidwa ntchito limodzi ndi ammonia kuti igwire ntchito ngati chizindikiro. -
Disodium edetate dihydrate CAS: 6381-92-6
Disodium edetate dihydrate CAS: 6381-92-6
Disodium ethylenediaminetetraacetate (yomwe imadziwikanso kuti disodium EDTA) ndi mankhwala amphamvu oletsa kusungunuka kwa madzi. Chifukwa cha kukhazikika kwake kokhazikika komanso kogwirizana kwakukulu, imatha kuyanjana ndi ma ayoni ambiri achitsulo kupatula zitsulo za alkali (monga chitsulo, mkuwa, calcium, magnesium ndi ma ayoni ena ambiri) kuti apange ma complexes okhazikika osungunuka m'madzi, kuchotsa ma ayoni achitsulo kapena zochita zovulaza zomwe zimayambitsidwa ndi iwo.
Disodium EDTA ndi ufa woyera wa kristalo womwe umasungunuka m'madzi ndipo susungunuka kwambiri mu ethanol ndi ether. pH ya yankho lake lamadzi ndi pafupifupi 5.3 ndipo imagwiritsidwa ntchito mu sopo, zodzoladzola zopaka utoto, zinthu zopangira ulusi, zowonjezera zokongoletsa, zowonjezera chakudya, feteleza waulimi ndi Mariculture, ndi zina zotero.
Disodium ethylenediaminetetraacetate imagwiritsidwa ntchito muzakudya, mankhwala, zodzoladzola ndi zinthu zina. Disodium ethylenediaminetetraacetate yodziwika bwino ingagwiritsidwe ntchito ngati chokhazikika, chophatikizana, choteteza ku ma oxidant ndi chosungira, ndipo imatha kuteteza utoto ndi kukana okosijeni. , mgwirizano wotsutsana ndi dzimbiri komanso mphamvu yokhazikika.
