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N, N-Dimethylacetamide CAS: 127-19-5

N, N-Dimethylacetamide CAS: 127-19-5 Umfanekiso obonakalayo
  • N, N-Dimethylacetamide CAS: 127-19-5
  • N, N-Dimethylacetamide CAS: 127-19-5
  • N, N-Dimethylacetamide CAS: 127-19-5

inkcazelo emfutshane:

N, N-Dimethylacetamide CAS: 127-19-5
Iimpawu zemichiza: Iimpawu zekhemikhali zifana kakhulu ne-N,N-dimethylformamide, kwaye iyinto emele i-amide solvent. Ukungabikho kwe-asidi okanye i-alkali, ayiyi kubola xa ishushu ekubiliseni phantsi koxinzelelo oluqhelekileyo, ngoko inokuchithwa phantsi koxinzelelo oluqhelekileyo. Izinga le-hydrolysis licotha kakhulu. Xa i-N, N-dimethylacetamide equkethe i-5% yamanzi ishushu kwi-95 ° C kwiiyure ze-140, kuphela i-0.02% i-hydrolyzed. Nangona kunjalo, phambi kwe-asidi kunye ne-alkali, izinga le-hydrolysis liyakhula. I-Saponification iyenzeka xa ishushu phambi kwe-alkali enamandla.
isicelo
1. I-Pharmaceutical intermediate dimethylacetamide yinto ebalulekileyo ye-pharmaceutical raw material kwaye isetyenziswa ngokubanzi kwimveliso ye-amoxicillin, i-cephalosporins kunye nezinye iziyobisi. Njenge-solvent okanye i-cocatalyst, i-dimethylacetamide inokuphucula umgangatho wemveliso kunye nesivuno xa kuthelekiswa nezinyibilikisi zendalo zendalo. Kwi-2000, imfuno ye-dimethylacetamide kwishishini lamachiza yayimalunga ne-6kt. Imfuno ye-dimethylacetamide kwi-2006 yayimalunga ne-9.6kt. 2. Ukuveliswa kwefiber ye-Acrylic Ekuveliseni i-acrylic fiber, abanye basebenzisa indlela ye-dimethylacetamide. Okwangoku, imveliso yefiber ye-acrylic yasekhaya i-Chemicalbook ikakhulu ibandakanya i-sodium thiocyanate indlela enamanyathelo amabini, i-dimethylformamide indlela enenyathelo elinye kunye ne-dimethylacetamide indlela emanzi ephilayo ngokwezinyibilikisi. Ukususela kumbono wenkqubo kunye neempawu zezixhobo, ukusetyenziswa kwezinto eziphathekayo, impembelelo yokusingqongileyo, umgangatho wemveliso, Izinto ezininzi ezifana nokusebenza emva kokulungiswa, izinga lendawo kunye neendlela zophuhliso lwangaphandle ziye zanda uphando lwesicelo kunye nemigudu yokukhuthaza. I-Dimethylacetamide isetyenziswe njengothelekiso olubanzi. I-sodium thiocyanate indlela yamanyathelo amabini kunye ne-dimethylacetamide ye-organic wet method yasetyenziswa. Olona phuhliso luthembisayo. Okwangoku, ukufakelwa kwe-acrylic fiber eninzi e-China kusebenzisa iinkqubo ezimanzi usebenzisa i-dimethylacetamide njenge-solvent.


  • Igama:N, N-Dimethylacetamide CAS: 127-19-5
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    Iithegi zeMveliso

    Intshayelelo yemveliso

    N, N-Dimethylacetamide CAS: 127-19-5
    Iimpawu zemichiza: Iimpawu zekhemikhali zifana kakhulu ne-N,N-dimethylformamide, kwaye iyinto emele i-amide solvent. Ukungabikho kwe-asidi okanye i-alkali, ayiyi kubola xa ishushu ekubiliseni phantsi koxinzelelo oluqhelekileyo, ngoko inokuchithwa phantsi koxinzelelo oluqhelekileyo. Izinga le-hydrolysis licotha kakhulu. Xa i-N, N-dimethylacetamide equkethe i-5% yamanzi ishushu kwi-95 ° C kwiiyure ze-140, kuphela i-0.02% i-hydrolyzed. Nangona kunjalo, phambi kwe-asidi kunye ne-alkali, izinga le-hydrolysis liyakhula. I-Saponification iyenzeka xa ishushu phambi kwe-alkali enamandla.

    Lulwelo olukwibakala eliphezulu oluselubala.

    Indawo yosetyenziso

    1. I-Pharmaceutical intermediate dimethylacetamide yinto ebalulekileyo ye-pharmaceutical raw material kwaye isetyenziswa ngokubanzi kwimveliso ye-amoxicillin, i-cephalosporins kunye nezinye iziyobisi. Njenge-solvent okanye i-cocatalyst, i-dimethylacetamide inokuphucula umgangatho wemveliso kunye nesivuno xa kuthelekiswa nezinyibilikisi zendalo zendalo. Kwi-2000, imfuno ye-dimethylacetamide kwishishini lamachiza yayimalunga ne-6kt. Imfuno ye-dimethylacetamide kwi-2006 yayimalunga ne-9.6kt. 2. Ukuveliswa kwefiber ye-Acrylic Ekuveliseni i-acrylic fiber, abanye basebenzisa indlela ye-dimethylacetamide. Okwangoku, imveliso yefiber ye-acrylic yasekhaya i-Chemicalbook ikakhulu ibandakanya i-sodium thiocyanate indlela enamanyathelo amabini, i-dimethylformamide indlela enenyathelo elinye kunye ne-dimethylacetamide indlela emanzi ephilayo ngokwezinyibilikisi. Ukususela kumbono wenkqubo kunye neempawu zezixhobo, ukusetyenziswa kwezinto eziphathekayo, impembelelo yokusingqongileyo, umgangatho wemveliso, Izinto ezininzi ezifana nokusebenza emva kokulungiswa, izinga lendawo kunye neendlela zophuhliso lwangaphandle ziye zanda uphando lwesicelo kunye nemigudu yokukhuthaza. I-Dimethylacetamide isetyenziswe njengothelekiso olubanzi. I-sodium thiocyanate indlela yamanyathelo amabini kunye ne-dimethylacetamide ye-organic wet method yasetyenziswa. Olona phuhliso luthembisayo. Okwangoku, ukufakelwa kwe-acrylic fiber eninzi e-China kusebenzisa iinkqubo ezimanzi usebenzisa i-dimethylacetamide njenge-solvent.

    Inkcazo yokwakha

    N, N-dimethylacetamide

    CAS: 127-19-5

    Uxinaniso 0.9±0.1 g/cm3

    Indawo yokubilisa 166.1±0.0 °C kwi-760 mmHg
    Indawo yokunyibilika -20 °C
    Ifomula yemolekyuli C4H9NO
    Ubunzima bemolekyuli 87.120
    Indawo yokudanyaza 70.0±0.0 °C

    Inombolo ye-CB: CB31073068

     

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