N-methylformamide / CAS 123-39-7 / NMF
Khoom npe:N-methylformamide / nmf Cas: 123-39-7 Mf:C2h5no Mw:59.07 Ntawj ntom:1.011 g / ml Melting taw tes:-3 ° C Boiling taw tes:198-199 ° C Pob:1 L / Lub raj mis, 25 L / Nruas, 200 l / Nruas Cuab yeej:Nws yog ob qho tib si soluble nrog benzene, soluble hauv dej thiab dej cawv, insoluble hauv ether. 1.Nws siv tau nyob rau hauv kev sib raug zoo ntawm cov tshuaj tua kab thiab muaj sia tus neeg tua neeg thiab bimetamidine thiab bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamidine thiab Bimetamternine thiab muaj sia. 2.Qhov tseem siv nyob rau hauv kev tsim cov tshuaj ntau lawm, cov tawv nqaij hluavtaws, tawv tawv thiab cov tshuaj fiber ntau. 1. KMF feem ntau siv raws li kev siv tshuaj tua kab thiab cov txheej txheem vim nws lub peev xwm los yaj ntau cov organic thiab inorganic sib xyaw.
2. Tshuaj Nruab Nrab: Nws yog qhov nruab nrab hauv cov hluavtaws ntawm ntau yam tshuaj lom neeg suav nrog cov tshuaj thiab agnemicals.
3. Yas Siv: NMF tuaj yeem siv los ua cov yas ntim rau hauv kev tsim cov yas thiab cov polymers kom txhim kho lawv cov txheej txheem.
4. Electrolyte: Vim tias nws cov ionic conductivity, nws yog siv los ua electrolyte nyob rau hauv qee daim ntawv thov roj teeb.
5. Extraction tus neeg saib xyuas: NMF yog siv nyob rau hauv cov txheej txheem rho tawm, tshwj xeeb tshaj yog rau kev rho tawm ntawm cov hlau thiab cov organic sib txuas.
6. Kev Tshawb Fawb: Hauv chav kuaj, NMF yog siv rau ntau cov ntawv thov kev tshawb fawb, suav nrog cov uas muaj kev cuam tshuam cov organic synthesis thiab cov ntaub ntawv kev tshawb fawb.
Muab ntim cia kom tiv thaiv kom tsis txhob to fweakage, tsis txhob los nag, raug, cuam tshuam loj thiab kev sib txhuam.
Tseg deb ntawm hluav taws thiab cov khoom cua sov.
1. Thawv: Siv dav hlau ntim ua los ntawm cov khoom siv tau tshaj, xws li iav lossis qee yam plastics, tiv thaiv kev sib kis thiab evaporation.
2. Kub: Khw NMF nyob rau hauv qhov chaw txias, qhuav qhov chaw kom deb ntawm kev tshav ntuj ncaj qha thiab kub. Qhov tseeb, nws yuav tsum tau khaws cia ntawm chav tsev kub, tab sis zam kom tsis txhob muaj huab cua sov.
3. Qhov cua: Ua kom cov chaw ntim khoom tau zoo kom txo qis vapor buildup li NMF tuaj yeem sawv cov pa taws muaj kev phom sij.
4. Tsis meej: Thov khaws cia ntawm cov muaj zog oxidants, acids thiab cov hauv paus thaum nws tuaj yeem hnov mob nrog cov tshuaj no.
5. Daim ntawv lo: daim ntawv lo qhia kom meej nrog cov npe tshuaj, cov ntaub ntawv phom sij, thiab sau hnub kom tau txais kev tuav pov hwm kom raug.
6. Cov cuab yeej tiv thaiv tus kheej (PPE): Thaum tuav NMF, siv cov ppe zoo li hnab looj tes thiab goosgles kom txo qis kev raug.
7. Pov tseg: pov tseg ntawm NMF thiab cov khoom tsis huv hauv kev ua raws li hauv zos.
1. Colortless pob tshab viscous oily kua.
Nws yog soluble nyob rau hauv dej thiab tuaj yeem ua tau cov ntsev inorganic.
Nws yog hygroscopic thiab yooj yim decomposes nyob rau hauv acidic lossis alkaline daws.
Nws tsw ntawm ammonia.
Cov tshuaj lom neeg muaj kev cuam tshuam nrog hydrogen chloride los ua ob hom ntsev;
HConhx3 · HCL yog tsim nyob rau hauv tsis-polar cov kuab tshuaj;
(HCONHCH3) 2Ntiam 2) 22) 23) 2) yog tsim tawm yam tsis muaj kuab tshuaj.
Nws muaj yuav luag tsis muaj kev cuam tshuam nrog sodium hlau ntawm chav tsev kub.
Hydrolysis tshwm sim nyob rau hauv qhov kev txiav txim ntawm kua qaub los yog alkali.
Cov acidic hydrolysis tus nqi yog formamsisy> n-methylformamide> n, n-dimethylformamide.
Lub alkaline tus nqi hydrolysis yog cov tsiaj txhu-n-methylformamide> n, n-dimethylformamide.
2. Muaj nyob hauv cov pa luam yeeb;
1. Kev tswj xyuas ua raws li: Xyuas kom koj ua raws li hauv zos, thiab thoob ntiaj teb cov cai hais txog cov khoom thauj mus los ntawm cov khoom txaus ntshai. NMF raug cais raws li cov khoom tsim kev phom sij thiab yog li ntawd yuav raug rau cov cai thauj khoom (piv txwv li, lub npe thauj khoom zoo).
2. Ntim: Siv cov ntaub ntawv ntim uas tsim nyog uas tsim nyog tau NMF. Feem ntau, qhov no suav nrog cov tshuaj tiv thaiv kev tiv thaiv, xau ntim cov khoom ntim. Xyuas kom meej cov thawv ntim tau kaw ruaj khov los tiv thaiv kom tsis txhob xau thaum lub sijhawm thauj.
3. Daim ntawv lo: Daim ntawv lo qhia kom meej nrog cov cim kev phom sij txaus ntshai thiab cov ntaub ntawv, suav nrog tus lej xa khoom, tsis muaj kev ceeb toom kev phom sij. Qhov no pab kom paub meej tias cov tes to taub cov ntsiab lus ntawm cov khoom thauj thiab cov kev pheej hmoo cuam tshuam.
4. Cov ntaub ntawv: Npaj thiab muab tag nrho cov ntaub ntawv xa khoom tsim nyog, xws li cov ntaub ntawv kev nyab xeeb cov ntaub ntawv (MSDS) thiab ib qho khoom lag luam uas yuav tsum muaj kev phom sij.
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6. Kev kawm: ua kom cov neeg ua haujlwm tau koom nrog cov txheej txheem thauj mus los thiab nkag siab cov kev pheej hmoo cuam tshuam nrog NMF.
7. Cov txheej txheem thaum muaj xwm ceev: muaj cov kev pab kub ceev hauv qhov chaw ntawm qhov chaw nchuav lossis txi thaum thauj. Qhov no suav nrog kev muaj cov khoom siv spill thiab tsim nyog cov cuab yeej siv ntawm tus kheej (PPE) npaj txhij.
8. Kev Thauj Mus Los: Xaiv ib qho kev pab cuam uas ntseeg tau, raws kev thauj mus los uas tau muaj kev tuav cov khoom txaus ntshai.
1. Inhalation: Raug rau NMF Vapors tuaj yeem ua rau muaj kev ntxhov siab, ua rau mob xws li hnoos, thiab caj pas. Kev siv lub zog lossis kev siv siab siv yuav ua rau muaj teeb meem ua pa.
2. Cov tawv nqaij tiv thaiv: NMF tuaj yeem ua rau tawv nqaij voos thiab tej zaum yuav nqus tau ntawm daim tawv nqaij, uas yuav ua rau cov teebmeem system Nws raug nquahu kom hnav cov hnab looj tes tiv thaiv kev tiv thaiv thaum daws cov khoom no.
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4. Kev noj: Kev noj NMF yuav ua rau muaj kev phom sij thiab yuav ua rau mob plab zom mov, xeev siab, thiab lwm yam kev kub ntxhov.
5. Kev ua kom ntev ntev: Ntev mus rau NMF yuav ua tau me nyuam muaj me nyuam thiab kev txhim kho toxicity. Qee qhov kev tshawb fawb tau qhia tias nws yuav muaj kev cuam tshuam tsis zoo thaum muaj kev muaj peev xwm thiab kev txhim kho me nyuam.
6. Kev ceev faj kev nyab xeeb: kom txo qis kev pheej hmoo, ib txwm siv hnab looj tes tsim nyog (PPE) xws li kev tiv thaiv, thiab kev txhawb nqa thaum tuav NMF. Xyuas kom meej tias qhov chaw ua haujlwm tau zoo ventilated.
7. Ntsuas Thaum Muaj Xwm Ceev, nrhiav kev kho mob sai thiab coj cov dej ua ntej muaj kev cuam tshuam nrog dej thiab tshem tawm cov khaub ncaws tsis huv.
