N,N-Dimethylacetamide CAS: 127-19-5
Hoʻolauna huahana
N,N-Dimethylacetamide CAS: 127-19-5
Nā waiwai kemika: Ua like loa nā waiwai kemika me N,N-dimethylformamide, a he mea hoʻoheheʻe amide. I ka loaʻa ʻole o ka waikawa a i ʻole ka alkali, ʻaʻole ia e decompose i ka wā i wela ai i ka paila ma lalo o ke kaomi maʻamau, no laila hiki ke hoʻoheheʻe ʻia ma lalo o ke kaomi maʻamau. He lohi loa ka helu hydrolysis. Ke hoʻomehana ʻia ka N,N-dimethylacetamide me 5% wai ma 95 ° C no 140 mau hola, 0.02% wale nō ka hydrolyzed. Eia naʻe, i mua o ka waikawa a me ka alkali, piʻi ka nui o ka hydrolysis. Hana ʻia ka saponification i ka wā e wela ai i mua o kahi alkali ikaika.
ʻO ia ka wai aniani kiʻekiʻe.
Kahua noi
1. ʻO ka lāʻau lapaʻau intermediate dimethylacetamide he mea waiwai nui ka lāʻau lapaʻau a hoʻohana nui ʻia i ka hana ʻana o amoxicillin, cephalosporins a me nā lāʻau lapaʻau ʻē aʻe. Ma ke ʻano he solvent a cocatalyst paha, hiki i ka dimethylacetamide ke hoʻomaikaʻi i ka maikaʻi o ka huahana a me ka hoʻohua ʻana i hoʻohālikelike ʻia me nā solvents organik. I ka makahiki 2000, ʻo ka noi no ka dimethylacetamide i ka ʻoihana lāʻau lapaʻau ma kahi o 6kt. ʻO ke koi no ka dimethylacetamide ma 2006 ma kahi o 9.6kt. 2. Hana ʻia ka fiber Acrylic I ka hana ʻana i ka fiber acrylic, hoʻohana kekahi i ke ala dimethylacetamide. I kēia manawa, ʻo ka Chemicalbook ka hana ʻana i ka fiber acrylic i loko o ka sodium thiocyanate ʻelua-ʻanuʻu kaʻina hana, dimethylformamide hoʻokahi-ʻanuʻu ala a me ka dimethylacetamide organic wet method e like me nā solvents. Mai ka hiʻohiʻona o ke kaʻina hana a me nā ʻano mea hana, ka hoʻohana ʻana i ka waiwai, ka hopena o ke kaiapuni, ka maikaʻi o ka huahana, ʻO nā kumu he nui e like me ka hoʻokō ʻana ma hope o ka hoʻoponopono ʻana, ka helu localization a me nā ʻano hoʻomohala haole i hoʻonui i ka noiʻi noiʻi a me nā hana hoʻolaha. Ua hoʻohana ʻia ʻo Dimethylacetamide ma ke ʻano he hoʻohālikelike piha. ʻO ka sodium thiocyanate ʻelua ʻanuʻu a me ka dimethylacetamide ʻano wai hoʻohana i hoʻohana ʻia. ʻO ka hoʻomohala maikaʻi loa. I kēia manawa, nui nā mea hoʻokomo fiber acrylic ma Kina e hoʻohana i nā kaʻina wai e hoʻohana ana i ka dimethylacetamide ma ke ʻano he solvent.
wehewehe kūkulu
N,N-dimethylacetamide
CAS: 127-19-5
ʻO ka mānoanoa 0.9±0.1 g/cm3
He 166.1±0.0 °C ma ka 760 mmHg
Ka helu hehee -20 °C
ʻAno molekalale C4H9NO
Kaumaha molekula 87.120
Ke kiko uila 70.0±0.0 °C
Helu CBN: CB31073068
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