N, N-Dimethylacetamide CAS: 127-19-5
Gabatarwar samfur
N, N-Dimethylacetamide CAS: 127-19-5
Abubuwan sinadarai: Abubuwan sinadarai suna kama da N, N-dimethylformamide, kuma wakili ne na amide. Idan babu acid ko alkali, ba zai bazu ba lokacin da aka yi zafi zuwa tafasa a ƙarƙashin matsi na al'ada, don haka ana iya distilled a ƙarƙashin matsa lamba na al'ada. Yawan hydrolysis yana da hankali sosai. Lokacin da N, N-dimethylacetamide dauke da 5% ruwa yana mai tsanani a 95 ° C na 140 hours, kawai 0.02% ne hydrolyzed. Koyaya, a gaban acid da alkali, ƙimar hydrolysis yana ƙaruwa. Saponification yana faruwa a lokacin da aka yi zafi a gaban alkali mai karfi.
Ruwa ne mai fa'ida mai inganci.
Filin aikace-aikace
1. Pharmaceutical matsakaici dimethylacetamide ne mai muhimmanci Pharmaceutical albarkatun kasa da ake amfani da ko'ina a cikin samar da amoxicillin, cephalosporins da sauran kwayoyi. A matsayin mai ƙarfi ko cocatalyst, dimethylacetamide na iya inganta ingancin samfur da yawan amfanin ƙasa idan aka kwatanta da kaushi na gargajiya na gargajiya. A cikin 2000, buƙatar dimethylacetamide a cikin masana'antar harhada magunguna kusan 6kt. Bukatar dimethylacetamide a cikin 2006 shine kusan 9.6kt. 2. Acrylic fiber samar A cikin samar da acrylic fiber, wasu suna amfani da hanyar dimethylacetamide. A halin yanzu, cikin gida acrylic fiber samar da Chemicalbook yafi hada sodium thiocyanate hanya biyu mataki, dimethylformamide mataki daya hanya da dimethylacetamide Organic rigar Hanyar bisa ga kaushi. Daga hangen nesa na tsari da halayen kayan aiki, amfani da kayan aiki, tasirin muhalli, ingancin samfurin, Yawancin abubuwa kamar aikin bayan-aiki, ƙimar gida da kuma ci gaban ci gaban kasashen waje sun kara yawan bincike na aikace-aikace da kokarin ingantawa. An yi amfani da Dimethylacetamide azaman cikakkiyar kwatance. Sodium thiocyanate Hanyar mataki biyu da dimethylacetamide kwayoyin rigar hanyar da aka yi amfani. Mafi kyawun ci gaba. A halin yanzu, da yawa acrylic fiber shigarwa a kasar Sin amfani da rigar matakai ta yin amfani da dimethylacetamide a matsayin sauran ƙarfi.
Bayanin gini
N, N-dimethylacetamide
Saukewa: 127-19-5
Yawan 0.9± 0.1 g/cm3
Matsayin tafasa 166.1± 0.0 °C a 760 mmHg
Matsayin narkewa -20 ° C
Tsarin kwayoyin halitta C4H9NO
Nauyin kwayoyin halitta 87.120
Matsayin Filashi 70.0± 0.0 °C
Saukewa: CB31073068
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