Wopanga Mtengo Wabwino N,N-DIMETHYLFORMAMIDE(DMF) CAS 68-12-2

Kufotokozera mwachidule:

N,N-DIMETHYLFORMAMIDE ndi chidule cha DMF.Ndi gulu lopangidwa ndi kulowetsa m'malo mwa gulu la hydroxyl la formic acid ndi gulu la dimethylamino, ndipo mawonekedwe a molekyulu ndi HCON (CH3)2.Ndi madzi opanda mtundu, owoneka bwino, otentha kwambiri okhala ndi fungo la amine wopepuka komanso kachulukidwe kakang'ono ka 0.9445 (25°C).Malo osungunuka -61 ℃.Malo otentha 152.8 ℃.Flash point 57.78 ℃.Kuchuluka kwa mpweya 2.51.Kuthamanga kwa nthunzi 0.49kpa (3.7mmHg25 ℃).Malo oyaka moto ndi 445°C.Kuphulika kwa malire a nthunzi ndi mpweya wosakaniza ndi 2.2 mpaka 15.2%.Pakakhala lawi lotseguka komanso kutentha kwakukulu, zitha kuyambitsa kuyaka ndi kuphulika.Imatha kuchita zachiwawa ndi sulfuric acid ndi fuming nitric acid komanso ngakhale kuphulika.Zimasakanikirana ndi madzi komanso zosungunulira zambiri za organic.Ndi wamba zosungunulira kwa mankhwala zimachitikira.N,N-DIMETHYLFORMAMIDE yoyera ndi yopanda fungo, koma N,N-DIMETHYLFORMAMIDE yoyera imakhala ndi fungo la nsomba chifukwa imakhala ndi zonyansa za dimethylamine.

CAS: 68-12-2

Titumizireni imelo

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

kufotokoza

Dzinali limachokera kukuti ndi dimethyl substitution ya formamide (amide ya formic acid), ndipo magulu onse a methyl ali pa atomu ya N (nitrogen).N,N-DIMETHYLFORMAMID ndi chosungunulira cha polar (hydrophilic) chotentha kwambiri, ndipo Chemicalbook imatha kulimbikitsa njira ya SN2 reaction.N,N-DIMETHYLFORMAMID amapangidwa pogwiritsa ntchito formic acid ndi dimethylamine.N,N-DIMETHYLFORMAMID ndi yosakhazikika (makamaka kutentha kwakukulu) pamaso pa maziko amphamvu monga sodium hydroxide kapena asidi amphamvu monga hydrochloric acid kapena sulfuric acid, ndi hydrolyzes ku formic acid ndi dimethylamine.Ndiwokhazikika mumlengalenga komanso ikatenthedwa mpaka kuwira.Kutentha kukakhala kopitilira 350 ℃, kumataya madzi ndikupanga carbon monoxide ndi dimethylamine.N,N-DIMETHYLFORMAMID ndi yabwino aprotic polar zosungunulira, amene angathe kusungunula zinthu zambiri organic ndi inorganic, ndipo ndi miscible ndi madzi, alcohols, ethers, aldehydes, ketoni, esters, halogenated hydrocarbon ndi onunkhira hydrocarbons, etc.Mapeto abwino a molekyulu ya N,N-DIMETHYLFORMAMID akuzunguliridwa ndi magulu a methyl, kupanga cholepheretsa steric, kotero kuti ma ions olakwika sangayandikire, koma ma ion abwino okha amalumikizidwa.Anion wamaliseche amagwira ntchito kwambiri kuposa anion osungunuka.Ma ionic reactions ambiri amapangidwa mosavuta mu N,N-DIMETHYLFORMAMID kuposa momwe amasungunulira protic, mwachitsanzo, momwe ma carboxylates okhala ndi ma halogenated hydrocarbons mu N,N-DIMETHYLFORMAMID pa kutentha kwa firiji, amatha kupanga ma esters okolola kwambiri, oyenera kwambiri kaphatikizidwe ka sterically cholepheretsa esters.

Kaphatikizidwe.Mawu ofanana

amide,n,n-dimethyl-formicaci;Dimethylamidkyselinymravenci;dimethylamidkyselinymravenci;N,N-DIMETHYLFORMAMIDE,99.9+%,HPLCGRADE;NN-DIMETHYLFORChemicalbookMAMIDE99.8%ACS&;N,N-DIMETHYLFORMAMIDE,4X25ML;N,N-DIMETHYLFORMAMIDE,MOLECULARBIOLOGYREAGENT;N,N-DIMETHYLFORMAMIDENEUTRALMARKER* FORCAPILLARY

Mapulogalamu a DMF

DMF ndi zosungunulira zabwino zosiyanasiyana ma polima apamwamba monga polyethylene, polyvinyl kolorayidi, polyacrylonitrile, polyamide, etc., ndipo angagwiritsidwe ntchito yonyowa kupota ulusi kupanga monga ulusi polyacrylonitrile, ndi kaphatikizidwe wa polyurethane;Amagwiritsidwa ntchito popanga mafilimu apulasitiki;itha kugwiritsidwanso ntchito ngati chochotsa utoto pochotsa utoto;imathanso kusungunula mitundu ina yosasungunuka kwambiri, kotero kuti inkiyi imakhala ndi mawonekedwe a utoto.DMF imagwiritsidwa ntchito pochotsa zonunkhira komanso kulekanitsa ndi kuchira kwa butadiene kuchokera ku tizigawo ta C4 ndi isoprene kuchokera ku tizigawo ta C5, ndipo ingagwiritsidwenso ntchito ngati reagent yothandiza pakulekanitsa zinthu zopanda hydrocarbon kuchokera ku parafini .Iwo ali selectivity wabwino kwa solubility wa asidi isophthalic ndi asidi terephthalic: asidi isophthalic ndi sungunuka DMF kuposa asidi terephthalic, zosungunulira m'zigawo kapena tsankho Crystallization, awiri akhoza kupatukana.M'makampani a petrochemical, DMF imatha kugwiritsidwa ntchito ngati choyatsira gasi kupatutsa ndikuyeretsa mpweya.Monga mankhwala ochiritsira kutsuka Chemicalbook mu makampani a polyurethane, amagwiritsidwa ntchito kwambiri popanga zikopa zonyowa;monga zosungunulira mu makampani acrylic CHIKWANGWANI, izo makamaka ntchito youma kupota kupanga ulusi akiliriki;mu makampani amagetsi monga kuzimitsira mbali malata-yokutidwa ndi matabwa dera Mafakitale ena monga onyamula mpweya oopsa, solvents kwa mankhwala crystallization, zomatira, etc. Mu zochita organic, DMF si chimagwiritsidwa ntchito monga zosungunulira kwa anachita, koma komanso yofunika yapakatikati mu kaphatikizidwe organic.M'makampani ophera tizilombo, amatha kugwiritsidwa ntchito kupanga ciprofloxacin;mu makampani opanga mankhwala, angagwiritsidwe ntchito synthesize ayodini, doxycycline, cortisone, vitamini B6, ayodini, quercetin, pyrantel, N-formylsarcomin, Oncoline, methoxyfen, benzodiazepine, cyclohexyl nitrosourea, furoflurouratic acid, bilemometrol, bilemometrol, chlorpheniramine, sulfonamides Kupanga.DMF imakhala yothandiza kwambiri pakuchita kwa hydrogenation, dehydrogenation, kutaya madzi m'thupi ndi dehydrohalogenation, kotero kuti kutentha kwazomwe kumatsikirako ndikuyeretsa bwino.

1. Ndizosungunulira zabwino kwambiri za organic, zomwe zimagwiritsidwa ntchito ngati zosungunulira za polyurethane, polyacrylonitrile, ndi polyvinyl chloride, komanso zimagwiritsidwa ntchito ngati chotsitsa, monga zopangira mankhwala ndi mankhwala ophera tizilombo.

2. Amagwiritsidwa ntchito ngati reagent yowunikira ndi zosungunulira za vinyl resin ndi acetylene

3. Sikuti ndi mankhwala opangira mankhwala omwe ali ndi ntchito zambiri, komanso zosungunulira zabwino kwambiri zomwe zimagwiritsidwa ntchito mosiyanasiyana.DMF ndi zosungunulira zabwino zosiyanasiyana ma polima apamwamba monga polyethylene, polyvinyl kolorayidi, polyacrylonitrile, polyamide, etc., ndipo angagwiritsidwe ntchito yonyowa kupota ulusi kupanga monga ulusi polyacrylonitrile, ndi kaphatikizidwe wa polyurethane;Amagwiritsidwa ntchito popanga mafilimu apulasitiki;itha kugwiritsidwanso ntchito ngati chochotsa utoto pochotsa utoto;imathanso kusungunula mitundu ina yosasungunuka kwambiri, kotero kuti inkiyi imakhala ndi mawonekedwe a utoto.DMF imagwiritsidwa ntchito pochotsa zonunkhira komanso kulekanitsa ndi kuchira kwa butadiene kuchokera ku tizigawo ta C4 ndi isoprene kuchokera ku tizigawo ta C5, ndipo ingagwiritsidwenso ntchito ngati reagent yothandiza pakulekanitsa zinthu zopanda hydrocarbon kuchokera ku parafini .Iwo ali selectivity wabwino kwa solubility wa asidi isophthalic ndi asidi terephthalic: asidi isophthalic ndi sungunuka DMF kuposa asidi terephthalic, zosungunulira m'zigawo ikuchitika mu dimethyl chemicalbook asidi formamide Kapena pang'ono crystallized, awiri akhoza kupatukana.M'makampani a petrochemical, DMF imatha kugwiritsidwa ntchito ngati choyatsira gasi kupatutsa ndikuyeretsa mpweya.Mu zochita organic, DMF si ankagwiritsa ntchito monga zosungunulira kwa anachita, komanso yofunika wapakatikati mu kaphatikizidwe organic.M'makampani ophera tizilombo, amatha kugwiritsidwa ntchito kupanga ciprofloxacin;m'makampani opanga mankhwala, angagwiritsidwe ntchito kupanga ayodini, doxycycline, cortisone, vitamini B6, ayodini, quercetin, pyrantel, N-formylsarcomin, Tumorine, Methoxyfen mpiru, Bian nayitrogeni mpiru, cyclohexyl nitrosourea, furopartamourages metrosourea, furopartamourages acid, , bilevitamin, chlorpheniramine, etc. DMF ali chothandizira tingati mu zochita za hydrogenation, dehydrogenation, madzi m'thupi ndi dehydrohalogenation, kotero kuti kutentha anachita adatchithisira ndi mankhwala chiyero bwino.

4. Non-amadzimadzi titration zosungunulira.Zosungunulira za vinyl ndi acetylene.Kutsimikiza kwa Photometric.Gas chromatographic stationary solution (kutentha kwakukulu kwa ntchito 50 ℃, zosungunulira ndi methanol), kupatukana Chemicalbook kusanthula C2 ~ C5 ma hydrocarbons, ndipo akhoza kulekanitsa yachibadwa, isobutene ndi cis, trans-2-butene.Kusanthula zotsalira za mankhwala.Organic Synthesis.Peptide synthesis.Zamakampani opanga zithunzi.

Chithunzi cha DMF

Kophatikiza	Kufotokozera
Maonekedwe	zomveka
General	≥99.9%
Methanol	≤0.001%
Mtundu (PT-CO),Hazen	≤5
Madzi,%	≤0.05%
Iron, mg/kg	≤0.05
Acidity (HCOOH)	≤0.001%
Basicity (DMA)	≤0.001%
PH (25 ℃, 20% yamadzi)	6.5-8.0
Conductivity (25 ℃, 20% amadzimadzi), μs/cm	≤2