China [Koperani] N,N-Dimethylacetamide CAS: fakitale ndi opanga 127-19-5

[Koperani] N,N-Dimethylacetamide CAS: 127-19-5

kufotokozera mwachidule:

N,N-Dimethylacetamide CAS: 127-19-5
Makhalidwe a mankhwala: Makhalidwe a mankhwalawo ndi ofanana kwambiri ndi N,N-dimethylformamide, ndipo ndi chosungunulira cha amide. Ngati palibe asidi kapena alkali, sichimawola chikatenthedwa mpaka kuwira pansi pa mphamvu yachibadwa, kotero chimatha kusungunuka pansi pa mphamvu yachibadwa. Mlingo wa hydrolysis umakhala wochepa kwambiri. Pamene N,N-dimethylacetamide yokhala ndi madzi 5% imatenthedwa pa 95°C kwa maola 140, 0.02% yokha imatenthedwa. Komabe, pamene pali asidi ndi alkali, mlingo wa hydrolysis umawonjezeka. Saponification imachitika ikatenthedwa pamaso pa alkali wamphamvu.
ntchito
1. Dimethylacetamide yapakati ya mankhwala ndi chinthu chofunikira kwambiri chopangira mankhwala ndipo chimagwiritsidwa ntchito kwambiri popanga amoxicillin, cephalosporins ndi mankhwala ena. Monga chosungunulira kapena cocatalyst, dimethylacetamide imatha kukweza ubwino wa mankhwala ndi zokolola poyerekeza ndi zosungunulira zachilengedwe. Mu 2000, kufunikira kwa dimethylacetamide mumakampani opanga mankhwala kunali pafupifupi 6kt. Kufunika kwa dimethylacetamide mu 2006 kunali pafupifupi 9.6kt. 2. Kupanga ulusi wa acrylic Pakupanga ulusi wa acrylic, ena amagwiritsa ntchito njira ya dimethylacetamide. Pakadali pano, kupanga ulusi wa acrylic m'nyumba Chemicalbook makamaka imaphatikizapo njira ya sodium thiocyanate ya masitepe awiri, njira ya dimethylformamide ya sitepe imodzi ndi njira ya dimethylacetamide yachilengedwe yonyowa malinga ndi zosungunulira. Kuchokera pamalingaliro a machitidwe ndi zida, kugwiritsa ntchito zinthu, kukhudzidwa kwa chilengedwe, mtundu wa mankhwala, Zinthu zambiri monga magwiridwe antchito pambuyo pa kukonza, kuchuluka kwa malo ndi chitukuko chakunja zawonjezera kafukufuku wogwiritsa ntchito ndi kukwezedwa. Dimethylacetamide idagwiritsidwa ntchito ngati kufananiza kwathunthu. Njira ya sodium thiocyanate yokhala ndi magawo awiri ndi njira ya dimethylacetamide organic wet inagwiritsidwa ntchito. Njira yabwino kwambiri yopangira zinthu inali chitukuko. Pakadali pano, ma acrylic fiber ambiri ku China amagwiritsa ntchito njira zonyowa pogwiritsa ntchito dimethylacetamide ngati chosungunulira.

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

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Ndi madzi owonekera bwino kwambiri.

Munda wofunsira

1. Dimethylacetamide yapakati ya mankhwala ndi chinthu chofunikira kwambiri chopangira mankhwala ndipo chimagwiritsidwa ntchito kwambiri popanga amoxicillin, cephalosporins ndi mankhwala ena. Monga chosungunulira kapena cocatalyst, dimethylacetamide imatha kukweza ubwino wa mankhwala ndi zokolola poyerekeza ndi zosungunulira zachilengedwe. Mu 2000, kufunikira kwa dimethylacetamide mumakampani opanga mankhwala kunali pafupifupi 6kt. Kufunika kwa dimethylacetamide mu 2006 kunali pafupifupi 9.6kt. 2. Kupanga ulusi wa acrylic Pakupanga ulusi wa acrylic, ena amagwiritsa ntchito njira ya dimethylacetamide. Pakadali pano, kupanga ulusi wa acrylic m'nyumba Chemicalbook makamaka imaphatikizapo njira ya sodium thiocyanate ya masitepe awiri, njira ya dimethylformamide ya sitepe imodzi ndi njira ya dimethylacetamide yachilengedwe yonyowa malinga ndi zosungunulira. Kuchokera pamalingaliro a machitidwe ndi zida, kugwiritsa ntchito zinthu, kukhudzidwa kwa chilengedwe, mtundu wa mankhwala, Zinthu zambiri monga magwiridwe antchito pambuyo pa kukonza, kuchuluka kwa malo ndi chitukuko chakunja zawonjezera kafukufuku wogwiritsa ntchito ndi kukwezedwa. Dimethylacetamide idagwiritsidwa ntchito ngati kufananiza kwathunthu. Njira ya sodium thiocyanate yokhala ndi magawo awiri ndi njira ya dimethylacetamide organic wet inagwiritsidwa ntchito. Njira yabwino kwambiri yopangira zinthu inali chitukuko. Pakadali pano, ma acrylic fiber ambiri ku China amagwiritsa ntchito njira zonyowa pogwiritsa ntchito dimethylacetamide ngati chosungunulira.

Kufotokozera za zomangamanga

N,N-dimethylacetamide

CAS: 127-19-5

Kuchulukana 0.9±0.1 g/cm3

Malo otentha 166.1±0.0°C pa 760 mmHg
Malo osungunuka -20 °C
Fomula ya maselo C4H9NO
Kulemera kwa maselo 87.120
Malo owunikira 70.0±0.0°C

Nambala ya CB: CB31073068

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