Lus piav qhia luv luv:


  • FOB Nqe:
    US $1,644
    /Ton
  • Chaw nres nkoj:Tuam Tshoj
  • Cov nqe lus them nqi:L / C, T / T, Western Union
  • CAS:68-12-2 ib
  • Product Detail

    Khoom cim npe

    Khoom npe:N, N-Dimethylformamide

    Molecular hom:C3H7 Nr

    CAS Nr:68-12-2 ib

    Cov khoom siv molecular:

    N-Dimethylformamide

    CHEMICAL PROPERTIES

    N, N-Dimethylformamide yog cov kua tsis muaj xim lossis daj me ntsis nrog lub qhov kub ntawm 153 ° C thiab lub vapor siab ntawm 380 Pa ntawm 20 ° C.Nws yog dawb do soluble hauv dej thiab soluble hauv cawv, acetone thiab benzene.N, N-Dimethylformamide yog siv los ua hnyav, catalyst thiab gas absorbent.Ua nruj ua tsiv nrog cov concentrated sulfuric acid, fuming nitric acid thiab tuaj yeem tawg.Ntshiab Dimethylformamide tsis muaj ntxhiab, tab sis qib kev lag luam lossis hloov kho Dimethylformamide muaj cov ntxhiab tsw ntxhiab vim nws muaj cov impurities ntawm Dimethylamine.Dimethylformamide tsis ruaj khov (tshwj xeeb tshaj yog nyob rau hauv qhov kub thiab txias) nyob rau hauv lub xub ntiag ntawm ib tug muaj zog puag xws li sodium hydroxide los yog ib tug muaj zog acid xws li hydrochloric acid los yog sulfuric acid, thiab yog hydrolyzed rau formic acid thiab dimethylamine.

    APPLICATION AREA

    N, N-Dimethylformamide (DMF) yog cov kua ntshiab uas tau siv dav hauv kev lag luam raws li cov kuab tshuaj, ib qho ntxiv, lossis ib qho nruab nrab vim nws qhov kev tsis sib haum xeeb nrog dej thiab feem ntau cov organic solvents.

    Dimethylformamide feem ntau yog siv los ua cov khoom hnyav.Dimethylformamide cov kev daws teeb meem yog siv los ua cov txheej txheem polymer fibers, zaj duab xis, thiab txheej txheej;tso cai yooj yim spinning ntawm acrylic fibers;los tsim cov hlau enamels, thiab raws li qhov nruab nrab crystallization hauv kev lag luam kws tshuaj.

    DMF kuj tuaj yeem siv rau kev tsim nrog alkyllithium lossis Grignard reagents.

    Nws yog siv los ua ib qho reagent hauv Bouveault aldehyde synthesis thiab tseem nyob rau hauv Vilsmeier-Haack cov tshuaj tiv thaiv.Nws ua raws li ib tug catalyst nyob rau hauv lub synthesis ntawm acyl chlorides.Nws yog siv rau kev sib cais thiab refining crude los ntawm olefin gas.DMF nrog rau methylene chloride ua cov kua roj vanish lossis lacquers.Nws kuj tseem siv rau hauv kev tsim cov nplaum, fibers thiab zaj duab xis.

    N, N-Dimethylformamide (DMF) yog ib qho hnyav nrog tus nqi qis evaporation, pab tau rau kev npaj cov kev daws teeb meem nrog ntau hom hydrophobic organic tebchaw siv nyob rau hauv molecular biology daim ntaub ntawv.

    N, N-Dimethylformamide tau siv los solubilize MTT crystals nyob rau hauv cell viability assays.Nws kuj tau siv nyob rau hauv feruloyl esterase kev ua ub no nyob rau hauv pwm exhibiting siab ua hauj lwm ntawm lub enzyme.

    Kev siv thoob ntiaj teb ntawm DMF hauv xyoo 2001 yog kwv yees li 285,000 metric tonnes thiab feem ntau yog siv los ua cov kuab tshuaj.

    YUAV UA LI CAS LOS NTAWM US

    Chemwin tuaj yeem muab ntau hom hydrocarbons thiab cov kuab tshuaj tshuaj lom neeg rau cov neeg siv khoom.Ua ntej ntawd, thov nyeem cov lus qhia hauv qab no txog kev ua lag luam nrog peb: 

    1. Kev ruaj ntseg

    Kev nyab xeeb yog peb qhov tseem ceeb tshaj plaws.Ntxiv nrog rau kev muab cov neeg siv khoom paub txog kev nyab xeeb thiab ib puag ncig tus phooj ywg siv ntawm peb cov khoom, peb kuj tau cog lus los xyuas kom meej tias qhov kev pheej hmoo ntawm kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov neeg ua haujlwm raug txo qis rau qhov tsim nyog thiab ua tau tsawg kawg nkaus.Yog li ntawd, peb xav kom tus neeg siv khoom kom ntseeg tau tias qhov tsim nyog tshem tawm thiab khaws cov qauv kev nyab xeeb tau ua tiav ua ntej peb xa khoom (thov xa mus rau HSSE appendix nyob rau hauv cov nqe lus dav dav thiab kev muag khoom hauv qab no).Peb cov kws tshaj lij HSSE tuaj yeem muab kev taw qhia txog cov qauv no.

    2. Txoj kev xa khoom

    Cov neeg siv khoom tuaj yeem xaj thiab xa khoom los ntawm chemwin, lossis lawv tuaj yeem tau txais cov khoom los ntawm peb cov chaw tsim khoom.Cov hom kev thauj mus los muaj xws li tsheb thauj mus los, tsheb ciav hlau lossis kev thauj mus los ntau yam (xws li kev sib cais).

    Nyob rau hauv cov ntaub ntawv ntawm cov neeg yuav tsum tau, peb muaj peev xwm qhia kom meej cov kev cai ntawm barges los yog tankers thiab siv tshwj xeeb kev nyab xeeb / tshuaj xyuas cov qauv thiab cov kev cai.

    3. Yam tsawg kawg nkaus kom muaj nuj nqis

    Yog tias koj yuav khoom los ntawm peb lub vev xaib, qhov kev txiav txim yam tsawg kawg nkaus yog 30 tons.

    4. Kev them nyiaj

    Txoj kev them nyiaj tus qauv yog txiav tawm ncaj qha hauv 30 hnub txij li daim ntawv xa nyiaj.

    5. Cov ntaub ntawv xa tuaj

    Cov ntaub ntawv hauv qab no tau muab nrog rau txhua qhov kev xa khoom:

    · Bill of Lading, CMR Waybill lossis lwm yam ntaub ntawv thauj mus los

    · Certificate of Analysis los yog Conformity (yog xav tau)

    · Cov ntaub ntawv hais txog HSSE raws li txoj cai

    · Cov ntaub ntawv kev lis kev cai raws li txoj cai (yog tias xav tau)


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