Igiciro cyiza cy'umukozi N,N-DIMETHYLFORMAMIDE (DMF) CAS 68-12-2

Igiciro cyiza cy'umukora N,N-DIMETHYLFORMAMIDE (DMF) CAS 68-12-2 Ishusho yagaragaye

ibisobanuro bigufi:

N,N-DIMETHYLFORMAMIDE ni amagambo ahinnye nka DMF. Ni ikintu gikomoka ku gusimbuza itsinda rya hydroxyl rya aside formic n'itsinda rya dimethylamino, kandi formula ya molekile ni HCON (CH3)2. Ni amazi adafite ibara, abonerana, abira cyane afite impumuro yoroheje ya amine n'ubucucike bwa 0.9445 (25°C). Aho gushonga -61 ℃. Aho kubira 152.8 ℃. Aho gushyuha 57.78 ℃. Ubucucike bw'umwuka 2.51. Umuvuduko w'umwuka 0.49kpa (3.7mmHg25 ℃). Aho gutwika ni 445°C. Umuvuduko w'umwuka n'umwuka ni 2.2 kugeza 15.2%. Mu gihe umuriro ufunguye n'ubushyuhe bwinshi, ishobora gutera gutwika no guturika. Ishobora gukorana cyane na aside sulfure nyinshi na aside nitrique ishyuha ndetse ikanaturika. Ishobora kuvangwa n'amazi n'ibintu byinshi biyungurura. Ni umuti usanzwe ukoreshwa mu gukora imikorere y’ibinyabutabire. N,N-DIMETHYLFORMAMIDE y’umwimerere nta mpumuro igira, ariko N,N-DIMETHYLFORMAMIDE yo mu rwego rw’inganda cyangwa yangiritse ifite impumuro nk’iy’amafi kuko irimo imyanda ya dimethylamine.

CAS: 68-12-2

Ohereza imeri kuri twe

Ibisobanuro birambuye ku gicuruzwa

Ibirango by'ibicuruzwa

ibisobanuro

Izina rikomoka ku kuba ari dimethyl isimbuza formamide (amide ya aside formike), kandi amatsinda yombi ya methyl aherereye kuri atome ya N (azote). N,N-DIMETHYLFORMAMID ni solvent ishyuha cyane (hydrophilic) aprotic, kandi Chemicalbook ishobora guteza imbere uburyo bwa SN2 reaction. N,N-DIMETHYLFORMAMID ikorwa hakoreshejwe aside formike na dimethylamine. N,N-DIMETHYLFORMAMID ntihindagurika (cyane cyane iyo ubushyuhe bwinshi) iyo hari ishingiro rikomeye nka sodium hydroxide cyangwa aside ikomeye nka aside hydrochloric cyangwa aside sulfuric, kandi ihinduka aside formike na dimethylamine. Irahindagurika cyane mu kirere kandi iyo ishyushye kugeza ishyushye. Iyo ubushyuhe buri hejuru ya 350 ℃, izatakaza amazi kandi ikore monoxide karuboni na dimethylamine. N,N-DIMETHYLFORMAMID ni solvent nziza ya polar aprotic, ishobora gushonga ibintu byinshi by’umwimerere n’ibitari organic, kandi ivangavanze n’amazi, alcool, ether, aldehydes, ketones, esters, halogenated hydrocarbons na aromatic hydrocarbons, nibindi. Impera ya molekile ya N,N-DIMETHYLFORMAMID ifite amashanyarazi meza ikikijwe n’amatsinda ya methyl, ikora sterike ibangamira, ku buryo iyoni mbi zidashobora kwegera, ariko iyoni nziza gusa nizo zifitanye isano. Anion yambaye ubusa ikora cyane kurusha anion isohotse. Inyinshi mu ngaruka za iyoni zikorwa byoroshye muri N,N-DIMETHYLFORMAMID kurusha muri solvents rusange za protic, urugero, reaction ya carboxylates hamwe na halogenated hydrocarbons muri N,N-DIMETHYLFORMAMID ku bushyuhe bw’icyumba, ishobora gutanga esters nyinshi, cyane cyane zikwiriye mu gukora esters zidafite sterike.

Sintesi. Amagambo asobanura kimwe

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

Imikoreshereze ya DMF

DMF ni umuti mwiza wo gushonga ku bwoko butandukanye bwa polymer nyinshi nka polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, nibindi, kandi ishobora gukoreshwa mu kuzunguza imigozi ya sintetike nka polyacrylonitrile, no gukora polyurethane; Ikoreshwa mu gukora filime ya pulasitiki; ishobora kandi gukoreshwa nk'umuti wo gukuraho irangi; ishobora kandi gushonga amarangi amwe adashonga cyane, ku buryo amarangi agira imiterere nk'irangi. DMF ikoreshwa mu gukuramo aromatike no gutandukanya no kugarura butadiene mu bice bya C4 na isoprene mu bice bya C5, kandi ishobora no gukoreshwa nk'umuti mwiza wo gutandukanya ibice bitari hydrocarbon na parafini. Ifite ubushobozi bwiza bwo gutandukanya aside isophthalic na aside terephthalic: aside isophthalic irashonga cyane muri DMF kurusha aside terephthalic, gukuramo solvent cyangwa Crystallization igice, byombi bishobora gutandukanywa. Mu nganda za peteroli, DMF ishobora gukoreshwa nk'umuti ufata gaze kugira ngo itandukane kandi itunganye gaze. Nk'umuti wo gukaraba Chemicalbook mu nganda za polyurethane, ikoreshwa cyane cyane mu gukora uruhu rw'ubukonje; nk'umuti mu nganda za acrylic, ikoreshwa cyane cyane mu gukora fibre ya acrylic yumye; mu nganda za elegitoroniki nk'umuti wo kuzimya ibice bya tin-plated na circuit boards. Izindi nganda zirimo gutwara imyuka iteje akaga, imiti igabanya ubukana bw'imiti, kole, nibindi. Mu nganda za organic, DMF ntabwo ikoreshwa cyane nk'umuti wo gukora reaction gusa, ahubwo inakoreshwa cyane mu gukora organic synthesis. Mu nganda zirwanya udukoko, irashobora gukoreshwa mu gukora ciprofloxacin; mu nganda zikora imiti, irashobora gukoreshwa mu gukora iyode, doxycycline, cortisone, vitamine B6, iyode, quercetin, pyrantel, N-formylsarcomin, Oncoline, methoxyfen, benzodiazepine, cyclohexyl nitrosourea, furoflurouracil, aside hemostatic, bepartame, megestrol, bilevita, chlorpheniramine, sulfonamides. DMF igira ingaruka ku mikorere ya hydrogenation, dehydrogenation, dehydration na dehydrohalogenation, bityo ubushyuhe bw'imikorere bugabanuka kandi isuku y'ibicuruzwa ikarushaho kwiyongera.

1. Ni umuti mwiza cyane w’umwimerere, ukoreshwa nk’umuti uvamo polyurethane, polyacrylonitrile, na polyvinyl chloride, ndetse ukoreshwa nk’umuti uvamo imiti n’imiti yica udukoko.

2. Ikoreshwa nk'isesengura ry'ibintu n'umusemburo kuri resin ya vinyl na acetylene

3. Si ibikoresho fatizo bya shimi gusa bifite akamaro kanini, ahubwo ni n'umusemburo mwiza ufite akantu kanini gakoreshwa. DMF ni umusemburo mwiza ku bwoko butandukanye bwa polymers nini nka polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, nibindi, kandi ishobora gukoreshwa mu kuzunguza imigozi ya sintetike nka polyacrylonitrile, no gukora polyurethane; Ikoreshwa mu gukora filime ya pulasitiki; ishobora kandi gukoreshwa nk'umusemburo w'irangi mu gukuraho irangi; ishobora kandi gushonga amarangi make adashonga neza, ku buryo amarangi agira imiterere nk'irangi. DMF ikoreshwa mu gukuramo aromatike no gutandukanya no kugarura butadiene mu bice bya C4 na isoprene mu bice bya C5, kandi ishobora no gukoreshwa nk'umusemburo mwiza mu gutandukanya ibice bitari hydrocarbon na parafini. Ifite ubushobozi bwo guhitamo neza aside isophthalike na aside terephthalike: aside isophthalike irashongesha cyane muri DMF kurusha aside terephthalike, ikurwamo ry’ibinyabutabire rikorwa muri aside dimethyl chemicalbook formamide. Cyangwa bigashyirwamo ibice bibiri, byombi bishobora gutandukanywa. Mu nganda zikora peterolike, DMF ishobora gukoreshwa nk'ikintu gikurura gazi kugira ngo itandukane kandi itunganye imyuka. Mu nganda zikora ibinyabutabire, DMF ntikoreshwa cyane nk'ikintu gikurura gazi gusa, ahubwo ikoreshwa n'urwego rw'ingenzi mu gukora ibinyabutabire. Mu nganda zikora imiti yica udukoko, ishobora gukoreshwa mu gukora ciprofloxacin; Mu nganda zikora imiti, ishobora gukoreshwa mu gukora iyode, doxycycline, cortisone, vitamine B6, iyode, quercetin, pyrantel, N-formylsarcomin, Tumorine, Methoxyfen sinapi, Bian nitrogen sinapi, cyclohexyl nitrosourea, furoflurouracil, aside hemostatic, bepartame, megestrol, bilevitamin, chlorpheniramine, nibindi. DMF igira ingaruka nziza mu mikorere ya hydrogenation, dehydrogenation, dehydration na dehydrohalogenation, ku buryo ubushyuhe bw'imikorere bugabanuka kandi ubuziranenge bw'ibicuruzwa bukiyongera.

4. Umushongi utari uw'amazi. Umushongi ukoreshwa muri vinyl na acetylene. Igenwa ry'amafoto. Umushongi uhoraho wa chromatographic ya gaze (ubushyuhe ntarengwa bwo gukora 50 ℃, umushongi ni methanol), gutandukanya Chemicalbook Analysis C2 ~ C5 hydrocarbons, kandi ishobora gutandukanya normal, isobutene na cis, trans-2-butene. Isesengura ry'ibisigazwa by'imiti yica udukoko. Organic Synthesis. Peptide synthesis. Ku nganda zifotora.

Ibisobanuro bya DMF

Ikirundo	Ibisobanuro
Isura	isobanutse
Rusange	≥99.9%
Methanoli	≤0.001%
Ibara (PT-CO), Hazen	≤5
Amazi,%	≤0.05%
Ubutare, mg/kg	≤0.05
Ubushyuhe (HCOOH)	≤0.001%
Ishingiro (DMA)	≤0.001%
PH (25℃, 20% by'amazi)	6.5-8.0
Ubushobozi bwo gutwara ibintu (25℃, 20% by'amazi),μs/cm	≤2