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CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS

CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS Mufananidzo Wakafanotaurwa
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS
  • CAS 127-19-5 Vatengesi veDMAC veN,N-Dimethylacetamide muChina /DA 90 DAYS

tsananguro pfupi:

N,N-Dimethylacetamide, inozivikanwawo se acetyldimethylamine, acetyldimethylamine, kana kuti DMAC muchidimbu, i aprotic solvent ine polar yakawanda ine hwema hushoma hwe ammonia, inonyunguduka zvakanyanya, uye ine zvinhu zvakasiyana-siyana zvinonyunguduka. Inoshandiswa zvakanyanya nemvura, aromatic compounds, esters, ketones, alcohols, ethers, benzene uye chloroform, nezvimwewo, uye inogona kumutsa mamorekuru akasanganiswa, saka inoshandiswa zvakanyanya se solvent uye catalyst. Panyaya ye solvent, se solvent ine high boiling point, high flash point, high thermal stability uye chemical stability, inogona kushandiswa kune polyacrylonitrile spinning solvent, synthetic Chemicalbook resin uye natural resin, vinyl formate, vinyl pyridine nedzimwe copolymers uye Aromatic carboxylic acid solvent; Kana tichitarisa catalyst, inogona kushandiswa pakupisa urea kuti igadzire cyanuric acid, kuita kwe halogenated alkyl ne metal cyanide kuti igadzire nitrile, kuita kwe sodium acetylene ne halogenated alkyl kuti igadzire alkyl alkyne, uye kuita kwe organic halide ne cyanate kuti igadzire isocyanate. N,N-dimethylacetamide inogonawo kushandiswa se solvent ye electrolysis solvent ne photographic coupler, pendi remover, organic synthesis raw material, pesticide ne pharmaceutical raw material. Extractive distillation solvent yekuparadzanisa styrene kubva ku C8 fraction, nezvimwewo.


  • Zita:N,N-Dimethylacetamide
  • CAS:127-19-5
  • Kuchena:≥99%
  • Chiratidzo:MIT-IVY INDUSTRY CO., LTD
    • Dhaunirodha MSDS/COA Dhaunirodha PDF

    Ruzivo rweChigadzirwa

    Matagi eChigadzirwa

    Mashoko Anokurumidza

    Zita rechigadzirwa: N,N-Dimethylacetamide DMAC

    CAS:127-19-5

    Fomura yemasero: C4H9NO

    Kurema kwemamorekuru: 87.12

    Nhamba yeEINECS: 204-826-4

    Kuchena: ≥99%

    Mutengo: MIT -IVY INDUSTRY CO., LTD

    Mamwe mazita:DMAC;CBC 510337;CH3CON(CH3)2;
    dimethylacetamide;PROPYLENE CHLORIDE;2-methylpropanamide;
    Acetyldimeethylamine;dimethylacetoneamide;
    N,N-Dimethylacetamide;Dimethylamide acetate;
    N,N-Dimethylacetamide,(DMA);Dimethylamid kyseliny octove;
    Acetic acid dimethylacetamide;N,N-DIMETHYLACETAMIDE, YEHPLC;

    Chitarisiko: Mvura isina ruvara yakajeka

    Chiteshi chengarava: chero chiteshi muChina

    Kurongedza: 25kg/dhiramu KANA zvichienderana nezvinodiwa nevatengi

    Kuchengetera: Chengeta munzvimbo yakaoma, ine rima uye ine mhepo inofefetera.

    Kutakurwa: negungwa kana nendege

    Nzira dzekubhadhara: L/C, T/T, D/A, D/P, O/A, paypal, western union etc. gamuchira muripo wese.

    CHITIFIKETI CHEKUONGORORA

    Chigadzirwa:

    二甲基乙酰胺N,N-Dimethylacetamide

    CAS:127-19-5

    		 Zuva rekuongorora:

    2022.06.14

    		 Zuva reKugadzirwa:

    2022.06.14

    Huwandu：18T

    		 Nhamba yeBatch:

    MITSC2206281436

    		 Nguva yekushanda pasherufu:

    Shanu gores

    检测项目

    Chinhu Chekuyedza Nemhedzisiro

    Chinhu

    Tsanangudzo

    Mhedzisiro
    Chitarisiko

    Mvura inoonekera isina ruvara

    Mvura inoonekera isina ruvara
    DMAC%>

    99.9

    99.96
    Chikero chemavara (HazenUnitPt-CoNumber)

    5

    1
    Shuifen,%w

    0.010

    0.0064
    Mwero weasidhi (inacetic acid)%w

    0.0030

    0.00099
    alkalinity (diamine)%w

    0.0001

    0.000045
    Ironcontentwasmg/kgW

    0.05

    /
    Kufambisa kwemhepo/cmW

    0.05

    0.02

    Mhedziso

    Anokodzera

    Akupindira:

    1. Inoshandiswa sechinhu chisina kugadzirwa chefibers uye chinhu chakanaka che polar solvent chekugadzira organic synthesis

    2. Inoshandiswa mukugadzirwa kwezvinhu zvakasikwa, inoshandiswawo se solvent, catalyst uye pendi remover

    3.DMAC inonyanya kushandiswa semushonga wekugadzira fiber yekugadzira (acrylonitrile) uye polyurethane spinning uye synthetic polyamide resin. Inoshandiswawo semushonga wekubvisa tsvina wekuparadzanisa styrene kubva kuchikamu cheC8, uye inoshandiswa zvakanyanya mumafirimu epolymer, macoatings uye mishonga yeChemicalbook, nezvimwewo. Parizvino, inoshandiswa zvakanyanya mukurapa uye mumishonga yezvipembenene kugadzira mishonga yekuuraya utachiona nezvipembenene. Inogona zvakare kushandiswa se reaction catalyst, electrolytic solvent, pendi scavenger, uye akasiyana-siyana crystalline solvent adducts uye complexes.

    4. Inoshandiswa mukuita kwekugadzirisa mishonga, kugadzira fiber yakagadzirwa uye kugadzira resin yakagadzirwa, kugadzira mavara emakemikari anonzwa chiedza, pendi nezvimwe zvinonyungudutsa.

    Kukwidziridzwa：

    1.Hunhu hwepamusoro nemutengo wemakwikwi:

    Isu tiri vagadziri uye tinogona kupa zvigadzirwa zvemhando yepamusoro nemutengo wefekitori.

    2. Kutumira nekukurumidza uye kwakachengeteka

    ①Mapasuru anogona kutumirwa mukati memaawa makumi mana nemasere mushure mekubhadhara. Nhamba yekutevera iripo.

    ②Kutumira zvinhu zvakachengeteka uye zvakachengetedzeka. Une nzira dzakasiyana-siyana dzekutakura.

    3. Tine vatengi pasi rese.

    ①Basa rehunyanzvi uye ruzivo rwakakura zvinoita kuti vatengi vanzwe vakasununguka, zvinhu zvakakwana uye kutumira nekukurumidza zvinogutsa chishuwo chako.

    ②Mhinduro dzemusika uye mhinduro dzezvinhu zvinokosheswa, kusangana nezvinodiwa nevatengi ibasa redu.

    ③Hunhu hwepamusoro, mutengo unokwikwidzana, kutumirwa nekukurumidza, sevhisi yepamusoro-soro zvinowana kuvimba nerumbidzo kubva kune vatengi.

    Ruzivo rweKambani

    MIT-IVY INDUSTRY CO., LTD inogadzira uye inotumira kunze madhayi emakemikari akanaka uye mishonga yemishonga muChina.

    Vanonyanya kugadzira zvigadzirwa zveaniline series uye zvigadzirwa zvechlorine series.

    Tiri kambani yechidiki izere nesimba uye simba. Kambani iyi ine boka revashandi vane simba, vakadzidziswa zvakanaka uye vane hunyanzvi hwakasimba hwekutsvagisa nekusimudzira. Isu tine hunyanzvi mukugadzira, kugadzira uye kutengesa maAPI intermediates, makemikari akanaka uye zvinogadzirwa mumiti. Tinovimba nemidziyo yepamusoro uye manejimendi akasimba, tinotevedzera pfungwa dzebhizinesi dze "kuvhurika, kushivirira, hunyanzvi, uye kugovana" kuti tigadzire puratifomu yekushandira pamwe inohwina. Zvese zvinobva muhunyanzvi, ipfungwa yedu!

    Kana uchida kuwana mamwe makotesheni,

    please add WHATSAPP:0086-13805212761 or E-MAIL:info@mit-ivy.com

     

    MIT-IVYINDUSTRYCO., LTD

    Mit-Ivy imishonga inozivikanwa zvikuru uye ine simba repamusoro.
    mugadziri ane rutsigiro rwakasimba rweR&D muChina.
    Zvinonyanya kusanganisira Aniline, zvigadzirwa zveChlorine.
    Kubhadhara: DA MAZUVA 60
    TEL:008619961957599   E-MAIL:info@mit-ivy.com
    产品 Chigadzirwa CAS
    N,N-二甲基-1,4-苯二胺 N,N-Dimethyl-1,4-phenylenediamineDMPD 99-98-9
    N,N-二甲基苄胺 N,N-Dimethylbenzylamine BDMA 103-83-3
    N,N-二甲基甲酰胺 N,N-Dimethylformamide DMF .68-12-2
    N,N-二甲基甲酰胺二甲缩醛
    DMF-DMA    		 N,N-Dimethylformamidedimethyl acetal (DMF-DMA) 4637-24-5
    N,N-二甲基乙酰胺 N,N-Dimethylacetamide DMAC 127-19-5
    N,N-二乙基间甲苯甲酰胺
    避蚊胺    		 N,N-diethyl-m-toluamide DEET 134-62-3
    N,N-二乙基羟胺 N,N-Diethylhydroxylamine DEHA 3710-84-7
    N-甲基-N-羟乙基苯胺
    2-(N-甲基苯胺)乙醇    		 2-(N-methylanilino)ethanol 93-90-3
    N-甲基吡咯烷酮 N-methylpyrrolidone 872-50-4
    N,N-二甲基苯胺 N,N-Dimethylaniline DMA 121-69-7
    N,N-二甲基对甲苯胺 N,N-Dimethyl-p-toluidine DMPT 99-97-8
    N,N-二甲基邻甲苯胺 N,N-Dimethyl-o-toluidine DMOT 609-72-3
    N,N-二乙基苯胺 N,N-Diethylaniline 91-66-7
    N,N-二乙基间甲苯胺 N,N-Diethyl-m-toluidine 91-67-8
    N,N-二羟乙基苯胺 N,N-Dihydroxyethylaniline PDEA 120-07-0
    N-乙基间甲苯胺
    N-乙基-3-甲基苯胺    		 N-Ethyl-m-toluidine 102-27-2
    N-乙基-N-氰乙基苯胺 3-(N-ethylanilino)propiononitrile 148-87-8
    N-乙基-N-羟乙基苯胺 N-Ethyl-N-hydroxyethylaniline 92-50-2
    N-乙基-N-苄基苯胺
    乙基苄基苯胺;
    N-苄基-N-乙基苯胺    		 N-ethyl-N-phenylbenzenemethanamine 92-59-1
    N-乙基-N-氰乙基间甲苯胺 N-2-cyanoethyl-N-ethyl-m-toluidine 148-69-6
    N-乙基-N-苄基间甲苯胺 N-Benzyl-N-ethyl-m-toluidine 119-94-8
    N-乙基邻甲苯胺 N-Ethyl-o-toluidine 94-68-8
    N-乙基苯胺 N-Ethylaniline 103-69-5
    N-甲基苯胺 N-Methylaniline 100-61-8
    N,N-二甲基-间甲基苯胺 N,N-DIMETHYL-M-TOLUIDINE 121-72-2
    N-甲基二苯胺 N-Methyldiphenylamine 552-82-9
    N-甲基-邻甲基苯胺 N-METHYL-O-TOLUIDINE 611-21-2
    N-甲基-对甲基苯胺 N-METHYL-P-TOLUIDINE 623-08-5
    4-甲基-N-苯基苯胺 N-PHENYL-P-TOLUIDINE 620-84-8
    N-异丙基苯胺 N-ISOPROPYLANILINE 768-52-5
    N,N-二氰乙基苯胺 N,N-Dicyanoethylaniline 1555-66-4
    N,N-二羟乙基-对甲基苯胺 N,N-DIHYDROXYETHYL-P-TOLUIDINEDHEPT .3077-12-1
    N-乙基-2-硝基苯胺 N-Ethyl-2-Nitro-Benzenamine 10112-15-9
    2,4-二氯苯胺 2,4Dichloroaniline 554-00-7
    N-(2- 羟乙基)乙二胺 AEEA 111-41-1
    1,3-二甲基-2-咪唑啉酮N,N-二甲基亚乙基脲1,3-二甲基-2-咪唑啉酮（DMI) 1,3-Dimethyl-2-imidazolidinone DMI
    N,N'-dimethylimidazolidinone    		 80-73-9
    N,N-二苄基羟胺 N,N-Dibenzylhydroxylamine 621-07-8
    对甲苯胺 P-Toluidine PT 106-49-0
    邻甲苯胺 O-Toluidine OT 95-53-4
    二乙基乙醇胺 DEEA;DEAE 100-37-8
    甲萘胺 AlphaNaphthylamine 134-32-7
    间二氯苯 1,3-Dichlorobenzene MDCB 541-73-1
    间甲苯胺 M-Toluidine MT 108-44-1
    间苯二胺 M-PHENYLENEDIAMINE MPDA 108-45-2
    多乙烯多胺 PEPA 68131-73-7
    二乙烯三胺(DETA) Diethylenetriamine DETA 111-40-0
    三乙烯二胺 Triethylenediamine 280-57-9
    三乙烯四胺 TriethylenetetramineTETA 112-24-3
    四乙烯五胺 TEPA 112-57-2

    Zvinyorwa

    Kuchengetedzeka uye Kubata

    Mashoko Anokurumidza

    Zita rechigadzirwa: N,N-Dimethylacetamide DMAC

    CAS:127-19-5

    Fomura yemasero: C4H9NO

    Kurema kwemamorekuru: 87.12

    Nhamba yeEINECS: 204-826-4

    Kuchena: ≥99%

    Mutengo: MIT -IVY INDUSTRY CO., LTD

    Mamwe mazita:DMAC;CBC 510337;CH3CON(CH3)2;
    dimethylacetamide;PROPYLENE CHLORIDE;2-methylpropanamide;
    Acetyldimeethylamine;dimethylacetoneamide;
    N,N-Dimethylacetamide;Dimethylamide acetate;
    N,N-Dimethylacetamide,(DMA);Dimethylamid kyseliny octove;
    Acetic acid dimethylacetamide;N,N-DIMETHYLACETAMIDE, YEHPLC;

    Chitarisiko: Mvura isina ruvara yakajeka

    Chiteshi chengarava: chero chiteshi muChina

    Kurongedza: 25kg/dhiramu KANA zvichienderana nezvinodiwa nevatengi

    Kuchengetera: Chengeta munzvimbo yakaoma, ine rima uye ine mhepo inofefetera.

    Kutakurwa: negungwa kana nendege

    Nzira dzekubhadhara: L/C, T/T, D/A, D/P, O/A, paypal, western union etc. gamuchira muripo wese.

    Akupindira:

    1. Inoshandiswa sechinhu chisina kugadzirwa chefibers uye chinhu chakanaka che polar solvent chekugadzira organic synthesis

    2. Inoshandiswa mukugadzirwa kwezvinhu zvakasikwa, inoshandiswawo se solvent, catalyst uye pendi remover

    3.DMAC inonyanya kushandiswa semushonga wekugadzira fiber yekugadzira (acrylonitrile) uye polyurethane spinning uye synthetic polyamide resin. Inoshandiswawo semushonga wekubvisa tsvina wekuparadzanisa styrene kubva kuchikamu cheC8, uye inoshandiswa zvakanyanya mumafirimu epolymer, macoatings uye mishonga yeChemicalbook, nezvimwewo. Parizvino, inoshandiswa zvakanyanya mukurapa uye mumishonga yezvipembenene kugadzira mishonga yekuuraya utachiona nezvipembenene. Inogona zvakare kushandiswa se reaction catalyst, electrolytic solvent, pendi scavenger, uye akasiyana-siyana crystalline solvent adducts uye complexes.

    4. Inoshandiswa mukuita kwekugadzirisa mishonga, kugadzira fiber yakagadzirwa uye kugadzira resin yakagadzirwa, kugadzira mavara emakemikari anonzwa chiedza, pendi nezvimwe zvinonyungudutsa.

    Kukwidziridzwa：

    1.Hunhu hwepamusoro nemutengo wemakwikwi:

    Isu tiri vagadziri uye tinogona kupa zvigadzirwa zvemhando yepamusoro nemutengo wefekitori.

    2. Kutumira nekukurumidza uye kwakachengeteka

    ①Mapasuru anogona kutumirwa mukati memaawa makumi mana nemasere mushure mekubhadhara. Nhamba yekutevera iripo.

    ②Kutumira zvinhu zvakachengeteka uye zvakachengetedzeka. Une nzira dzakasiyana-siyana dzekutakura.

    3. Tine vatengi pasi rese.

    ①Basa rehunyanzvi uye ruzivo rwakakura zvinoita kuti vatengi vanzwe vakasununguka, zvinhu zvakakwana uye kutumira nekukurumidza zvinogutsa chishuwo chako.

    ②Mhinduro dzemusika uye mhinduro dzezvinhu zvinokosheswa, kusangana nezvinodiwa nevatengi ibasa redu.

    ③Hunhu hwepamusoro, mutengo unokwikwidzana, kutumirwa nekukurumidza, sevhisi yepamusoro-soro zvinowana kuvimba nerumbidzo kubva kune vatengi.

    Ruzivo rweKambani

    MIT-IVY INDUSTRY CO., LTD inogadzira uye inotumira kunze madhayi emakemikari akanaka uye mishonga yemishonga muChina.

    Vanonyanya kugadzira zvigadzirwa zveaniline series uye zvigadzirwa zvechlorine series.

    Tiri kambani yechidiki izere nesimba uye simba. Kambani iyi ine boka revashandi vane simba, vakadzidziswa zvakanaka uye vane hunyanzvi hwakasimba hwekutsvagisa nekusimudzira. Isu tine hunyanzvi mukugadzira, kugadzira uye kutengesa maAPI intermediates, makemikari akanaka uye zvinogadzirwa mumiti. Tinovimba nemidziyo yepamusoro uye manejimendi akasimba, tinotevedzera pfungwa dzebhizinesi dze "kuvhurika, kushivirira, hunyanzvi, uye kugovana" kuti tigadzire puratifomu yekushandira pamwe inohwina. Zvese zvinobva muhunyanzvi, ipfungwa yedu!

    Kana uchida kuwana mamwe makotesheni,

    please add WHATSAPP:0086-13805212761 or E-MAIL:info@mit-ivy.com

     

    MIT-IVYINDUSTRYCO., LTD

    Mit-Ivy imishonga inozivikanwa zvikuru uye ine simba repamusoro.
    mugadziri ane rutsigiro rwakasimba rweR&D muChina.
    Zvinonyanya kusanganisira Aniline, zvigadzirwa zveChlorine.
    Kubhadhara: DA MAZUVA 60
    TEL:008619961957599   E-MAIL:info@mit-ivy.com
    产品 Chigadzirwa CAS
    N,N-二甲基-1,4-苯二胺 N,N-Dimethyl-1,4-phenylenediamineDMPD 99-98-9
    N,N-二甲基苄胺 N,N-Dimethylbenzylamine BDMA 103-83-3
    N,N-二甲基甲酰胺 N,N-Dimethylformamide DMF .68-12-2
    N,N-二甲基甲酰胺二甲缩醛
    DMF-DMA    		 N,N-Dimethylformamidedimethyl acetal (DMF-DMA) 4637-24-5
    N,N-二甲基乙酰胺 N,N-Dimethylacetamide DMAC 127-19-5
    N,N-二乙基间甲苯甲酰胺
    避蚊胺    		 N,N-diethyl-m-toluamide DEET 134-62-3
    N,N-二乙基羟胺 N,N-Diethylhydroxylamine DEHA 3710-84-7
    N-甲基-N-羟乙基苯胺
    2-(N-甲基苯胺)乙醇    		 2-(N-methylanilino)ethanol 93-90-3
    N-甲基吡咯烷酮 N-methylpyrrolidone 872-50-4
    N,N-二甲基苯胺 N,N-Dimethylaniline DMA 121-69-7
    N,N-二甲基对甲苯胺 N,N-Dimethyl-p-toluidine DMPT 99-97-8
    N,N-二甲基邻甲苯胺 N,N-Dimethyl-o-toluidine DMOT 609-72-3
    N,N-二乙基苯胺 N,N-Diethylaniline 91-66-7
    N,N-二乙基间甲苯胺 N,N-Diethyl-m-toluidine 91-67-8
    N,N-二羟乙基苯胺 N,N-Dihydroxyethylaniline PDEA 120-07-0
    N-乙基间甲苯胺
    N-乙基-3-甲基苯胺    		 N-Ethyl-m-toluidine 102-27-2
    N-乙基-N-氰乙基苯胺 3-(N-ethylanilino)propiononitrile 148-87-8
    N-乙基-N-羟乙基苯胺 N-Ethyl-N-hydroxyethylaniline 92-50-2
    N-乙基-N-苄基苯胺
    乙基苄基苯胺;
    N-苄基-N-乙基苯胺    		 N-ethyl-N-phenylbenzenemethanamine 92-59-1
    N-乙基-N-氰乙基间甲苯胺 N-2-cyanoethyl-N-ethyl-m-toluidine 148-69-6
    N-乙基-N-苄基间甲苯胺 N-Benzyl-N-ethyl-m-toluidine 119-94-8
    N-乙基邻甲苯胺 N-Ethyl-o-toluidine 94-68-8
    N-乙基苯胺 N-Ethylaniline 103-69-5
    N-甲基苯胺 N-Methylaniline 100-61-8
    N,N-二甲基-间甲基苯胺 N,N-DIMETHYL-M-TOLUIDINE 121-72-2
    N-甲基二苯胺 N-Methyldiphenylamine 552-82-9
    N-甲基-邻甲基苯胺 N-METHYL-O-TOLUIDINE 611-21-2
    N-甲基-对甲基苯胺 N-METHYL-P-TOLUIDINE 623-08-5
    4-甲基-N-苯基苯胺 N-PHENYL-P-TOLUIDINE 620-84-8
    N-异丙基苯胺 N-ISOPROPYLANILINE 768-52-5
    N,N-二氰乙基苯胺 N,N-Dicyanoethylaniline 1555-66-4
    N,N-二羟乙基-对甲基苯胺 N,N-DIHYDROXYETHYL-P-TOLUIDINEDHEPT .3077-12-1
    N-乙基-2-硝基苯胺 N-Ethyl-2-Nitro-Benzenamine 10112-15-9
    2,4-二氯苯胺 2,4Dichloroaniline 554-00-7
    N-(2- 羟乙基)乙二胺 AEEA 111-41-1
    1,3-二甲基-2-咪唑啉酮N,N-二甲基亚乙基脲1,3-二甲基-2-咪唑啉酮（DMI) 1,3-Dimethyl-2-imidazolidinone DMI
    N,N'-dimethylimidazolidinone    		 80-73-9
    N,N-二苄基羟胺 N,N-Dibenzylhydroxylamine 621-07-8
    对甲苯胺 P-Toluidine PT 106-49-0
    邻甲苯胺 O-Toluidine OT 95-53-4
    二乙基乙醇胺 DEEA;DEAE 100-37-8
    甲萘胺 AlphaNaphthylamine 134-32-7
    间二氯苯 1,3-Dichlorobenzene MDCB 541-73-1
    间甲苯胺 M-Toluidine MT 108-44-1
    间苯二胺 M-PHENYLENEDIAMINE MPDA 108-45-2
    多乙烯多胺 PEPA 68131-73-7
    二乙烯三胺(DETA) Diethylenetriamine DETA 111-40-0
    三乙烯二胺 Triethylenediamine 280-57-9
    三乙烯四胺 TriethylenetetramineTETA 112-24-3
    四乙烯五胺 TEPA 112-57-2

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