N, N-Dimethylformamide CAS 68-12-2
Kev taw qhia txog khoom
Dimethylformamide hu ua DMF. Nws yog ib qho tshuaj uas pawg hydroxyl ntawm formic acid hloov los ntawm pawg dimethylamino, nrog rau cov mis molecular HCON (CH3) 2. Nws yog ib qho kua tsis muaj xim thiab pob tshab uas muaj ntxhiab amine me me thiab qhov ceev ntawm 0.9445 (25 ℃). Melting point -61 ℃. Boiling point 152.8 ℃. Flash point 57.78 ℃. Vapor density 2.51. Vapor pressure 0.49kpa (3.7mmHg 25 ℃). Autoignition point yog 445 ℃. Qhov txwv ntawm kev tawg ntawm cov pa thiab cua sib xyaw yog 2.2 ~ 15.2%. Kev raug rau cov nplaim taws qhib thiab kub siab yuav ua rau muaj kev kub hnyiab thiab tawg. Nws tuaj yeem ua rau muaj kev kub ntxhov nrog cov kua qaub sulfuric thiab cov kua qaub nitric fuming thiab txawm tias tawg. Nws sib xyaw nrog dej thiab feem ntau cov kuab tshuaj organic. Nws yog ib qho kuab tshuaj rau cov tshuaj tiv thaiv tshuaj. Dimethylformamide ntshiab tsis muaj ntxhiab, tab sis qib kev lag luam lossis dimethylformamide uas lwj lawm muaj ntxhiab ntses vim nws muaj cov khoom tsis huv dimethylamine. Lub npe los ntawm qhov tseeb tias nws yog dimethyl hloov formamide (amide ntawm formic acid), thiab ob pawg methyl nyob ntawm N (nitrogen) atom. Dimethylformamide yog cov kuab tshuaj polar (hydrophilic) aprotic nrog lub ntsiab lus kub siab, uas tuaj yeem txhawb nqa SN2 cov tshuaj tiv thaiv. Dimethylformamide yog ua los ntawm formic acid thiab dimethylamine. Dimethylformamide tsis ruaj khov (tshwj xeeb tshaj yog thaum kub siab) nyob rau hauv qhov muaj cov hauv paus muaj zog xws li sodium hydroxide lossis cov kua qaub muaj zog xws li hydrochloric acid lossis sulfuric acid, thiab hydrolyzes rau formic acid thiab dimethylamine.
Nws ruaj khov heev hauv huab cua thiab thaum cua sov kom npau. Thaum qhov kub siab tshaj 350 ° C, nws poob dej thiab tsim cov pa roj carbon monoxide thiab dimethylamine. N, N-dimethylformamide yog cov tshuaj aprotic polar zoo heev uas tuaj yeem yaj feem ntau cov organic thiab inorganic thiab sib xyaw nrog dej, cawv, ethers, aldehydes, ketones, esters, halogenated hydrocarbons thiab aromatic hydrocarbons. . Qhov kawg ntawm N, N-dimethylformamide molecule yog ib puag ncig los ntawm methyl pawg, tsim ib qho chaw thaiv uas tiv thaiv cov ions tsis zoo los ntawm kev los ze thiab tsuas yog koom nrog cov ions zoo. Cov anions liab qab muaj zog ntau dua li cov anions solvated. Ntau cov tshuaj tiv thaiv ionic yooj yim dua los ua hauv N, N-dimethylformamide dua li cov tshuaj tiv thaiv protic dav dav. Piv txwv li, carboxylates thiab halogenated hydrocarbons react hauv N, N-dimethylformamide ntawm chav tsev kub. , tuaj yeem tsim cov esters nrog cov txiaj ntsig siab, thiab tshwj xeeb tshaj yog tsim rau kev tsim cov esters hindered sterically.
Daim ntawv thov teb
Dimethylformamide yog ib yam kua tsis muaj xim thiab pob tshab. Nws tsis yog tsuas yog siv dav hauv cov tshuaj lom neeg xwb, tab sis kuj yog ib qho tshuaj yaj zoo heev uas siv tau ntau yam. Dimethylformamide yog ib yam khoom siv tseem ceeb hauv kev lag luam tshuaj, petrochemical, tawv thiab lwm yam lag luam.
Kev piav qhia txog kev tsim kho
N,N-Dimethylformamide
CAS 68-12-2
CBNumber: CB2854115
Cov mis mos molecular: C3H7NO
Qhov hnyav molecular 73.09
Melting point: -61 ° C (lit.)
Kev tig tshwj xeeb: 0.94º
Kub taw tes: 153 ° C (lit.)
Qhov Ceev: 0.944g/mL (lit.) V
apor Chemicalbook Vapor density: 2.5 (vsair)
Siab ntawm cov pa: 2.7mmHg (20°C) Refractive index: n20/D1.430 (lit.)
Qhov kub hnyiab: 136°
Kev khaws cia thiab kev thauj mus los
Ntim: raws li cov neeg xav tau
Cia Khoom: Khaws cia rau qhov chaw qhuav, tsaus ntuj thiab muaj cua nkag.
Cov Ntaub Ntawv Txog Lub Tuam Txhab
MIT-IVY INDUSTRY CO., LTD yog lub chaw tsim khoom thiab xa tawm cov tshuaj pleev xim zoo & cov tshuaj intermediates hauv Suav teb.
Feem ntau tsim cov khoom aniline series thiab cov khoom chlorine series.
MIT –IVY Chemicals Industry Co., Ltd. yog ib lub tuam txhab tsim tshuaj lom neeg rau 21 xyoo nrog cov khoom siv tsim khoom tiav thiab kev tswj hwm thiab kev saib xyuas cov tshuab.
Peb siv cov thev naus laus zis tsim khoom siab heev thiab cov txheej txheem sim los ua kom tiav kev tsim khoom, kev tswj xyuas zoo kom ua tau raws li tus qauv. Peb tau txais kev pom zoo los ntawm SGS, ISO9001, ISO140 01, GB / HS16949 thiab T28001.
Cov khoom tseem ceeb ntawm Mit-Ivy muaj xws li cov hauv qab no:
API, tshuaj intermediates, Dye intermediates, zoo, tshuaj tshwj xeeb, Cov xim pleev xim rau kev lag luam hauv dej thiab cov ntaub ntawv siv zog tshiab.
Peb lub khw tseem ceeb suav nrog Asmeskas, Is Nrias teb, Africa, Indonesia, Qaib ntxhw, Sab Qab Teb Asia, Sab Hnub Poob Asia thiab lwm yam. MIT-IVY Kev Lag Luam Cov khoom tseem ceeb sib koom 97% ntawm kev lag luam hauv tsev tshwj xeeb hauv kev tsim khoom thiab kev tswj hwm, Peb tuaj yeem muab cov khoom lag luam nrog tus nqi sib tw ntau dua. nrog qhov zoo tshaj plaws thiab tus nqi thiab txais tos los sab laj. Peb lub tuam txhab muaj cov kws tshaj lij uas tseem ceeb hauv kev tshuaj lom neeg R & D thiab kev tswj hwm sicentific, muab cov khoom lag luam tshuaj zoo nrog kev zoo thiab kev pabcuam ze, kuj muab cov khoom lag luam raws li peb cov neeg siv khoom xav tau. Peb muaj pab pawg tswj hwm zoo thiab tus kheej nrog lub tswv yim zoo, kev saib xyuas thiab kev cog lus los ntawm kev ua haujlwm ua ke, peb pab neeg siv zog ua tiav hauv kev txaus siab rau peb cov neeg siv khoom thiab peb tus kheej. peb txuas ntxiv tsim kho peb cov khoom lag luam thiab txhim kho peb cov kev pabcuam, kev muag khoom network. Yog li ntawd, peb pib thawj hom kev muag khoom hauv net hauv Suav teb, uas yog kev lag luam muag khoom ntawm pob me me coj los ntawm kev lag luam wholesale ntawm ntau hom kev tswj hwm. Peb cov khoom lag luam raug xa tawm dav dav rau Kaus Lim Qab Teb, Nyab Laj, Australia, Tebchaws Europe thiab South America, pom zoo los ntawm peb cov neeg siv khoom. Peb hais kom ua raws li kev tswj hwm "Kev lag luam yog peb lub compass, Zoo yog peb lub neej, Credit yog peb tus ntsuj plig". Cov neeg siv khoom txoj kev ntseeg siab yog peb cov hmoov av pem hauv ntej, lawv qhov kev txaus siab yog peb lub hom phiaj uas muaj teeb meem.
Kev Pabcuam Neeg Siv Khoom ntawm Hom Lag Luam:
Peb pab pawg neeg saib xyuas cov neeg siv khoom JIT hauv Suav teb tsim thiab siv cov tswv yim tshwj xeeb rau kev muab cov tshuaj lom neeg thiab cov tshuaj tshwj xeeb rau peb cov neeg siv khoom zoo tshaj plaws.
Koj qhov zoo:
● Kev pabcuam rau cov neeg siv khoom hauv nruab nrab pab txhawb kev yooj yim ntawm cov txheej txheem kev tswj hwm, ua rau lub sijhawm thiab kev txuag nyiaj.
● Peb lub network hauv Suav teb thiab cov kev daws teeb meem logistics zoo heev ua kom ntseeg tau tias cov tshuaj lom neeg zoo sib xws tau muab rau cov neeg siv khoom nrog ntau qhov chaw tsim khoom thiab pab txhawb kev ruaj ntseg hauv kev npaj thiab kev ntseeg siab ntawm cov txheej txheem.
● Peb cov txheej txheem raug kho kom zoo thiab hloov kho tas li rau peb cov neeg siv khoom cov qauv thiab cov kev xav tau hloov pauv.
Kev ua tau zoo ntawm Chemistry Logistics kev pabcuam:
Kev pabcuam logistic tshuaj lom neeg yog kev tshaj lij heev thiab yuav tsum zoo dua nyob rau hauv UN kev cai, tshwj xeeb tshaj yog rau DGR Class series. Peb muab cov kev daws teeb meem tshwj xeeb los txhim kho kev thauj khoom thiab pab pawg ntim khoom thiab kev pabcuam sau npe rau peb cov thawj coj. Peb lub chaw nres nkoj tseem ceeb hauv Suav teb nrog DGR cov chaw khaws khoom tshuaj yog los ua haujlwm tshuaj tshwj xeeb thiab siv txhua daim ntawv pov thawj cuam tshuam.
Peb lub peev xwm faib khoom muaj xws li:
● Kev xa khoom yooj ywm, kev daws teeb meem ntse
● Txhua yam los ntawm kev xa khoom ntau txhiab tonnes mus rau qhov xa khoom me tshaj plaws ntawm cov khoom ntim thiab txawm tias cov qauv.
● Khoom ntau - khaws cia thiab thauj cov hmoov thiab kua - kev txav mus los ntawm cov khoom hauv nkoj - hmoov thiab kua ntau
● Kev khaws cia tshuaj, pub tsiaj thiab khoom noj raws li cov qauv tau lees paub
● Cov khoom siv sib cais los ntawm chav ua lag luam thiab kev faib tawm kev phom sij
● Kev khaws cia thiab kev thauj mus los uas tswj tau qhov kub thiab txias
● Kev tswj tus nqi zoo
● Rov ntim khoom dua, ntim khoom hauv lub nruas, muab ntim rau hauv hnab, rhuav thiab muab pov tseg
● Cov KPI ntawm kev xa khoom rau cov neeg siv khoom thaum ua tiav kev xa khoom
Yog tias koj xav tau ntau cov lus hais,
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Cov Lus Nug Feem Ntau
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Q. Koj puas muab tau cov qauv rau kev kuaj xyuas zoo ua ntej tso qhov kev txiav txim?
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