N,N-Dimethylacetamide CAS: 127-19-5
Hoʻolauna huahana
N,N-Dimethylacetamide CAS: 127-19-5
Nā ʻano kemika: Ua like loa nā ʻano kemika me N,N-dimethylformamide, a he mea hoʻoheheʻe amide ia. I ka loaʻa ʻole o ka waikawa a i ʻole ka alkali, ʻaʻole ia e pala i ka wā e hoʻomehana ʻia ai a paila ma lalo o ke kaomi maʻamau, no laila hiki ke hoʻoheheʻe ʻia ma lalo o ke kaomi maʻamau. Lohi loa ka wikiwiki o ka hydrolysis. Ke hoʻomehana ʻia ʻo N,N-dimethylacetamide me 5% wai ma 95°C no 140 mau hola, 0.02% wale nō ka hydrolyzed. Eia nō naʻe, i ke alo o ka waikawa a me ka alkali, piʻi ka wikiwiki o ka hydrolysis. Hana ʻia ka saponification i ka wā e hoʻomehana ʻia ai i ke alo o kahi alkali ikaika.
He wai moakaka kiʻekiʻe ia.
Kahua noi
1. ʻO ka dimethylacetamide waena lāʻau lapaʻau kahi mea maka lāʻau lapaʻau koʻikoʻi a hoʻohana nui ʻia i ka hana ʻana o amoxicillin, cephalosporins a me nā lāʻau lapaʻau ʻē aʻe. Ma ke ʻano he mea hoʻoheheʻe a i ʻole cocatalyst, hiki i ka dimethylacetamide ke hoʻomaikaʻi i ka maikaʻi o ka huahana a me ka hua i hoʻohālikelike ʻia me nā mea hoʻoheheʻe organik kuʻuna. I ka makahiki 2000, ʻo ke koi no ka dimethylacetamide i ka ʻoihana lāʻau lapaʻau ma kahi o 6kt. ʻO ke koi no ka dimethylacetamide i ka makahiki 2006 ma kahi o 9.6kt. 2. Hana ʻana i ka fiber acrylic I ka hana ʻana o ka fiber acrylic, hoʻohana kekahi i ke ala dimethylacetamide. I kēia manawa, ʻo ka hana ʻana o ka fiber acrylic kūloko ʻo Chemicalbook ka mea nui e pili ana i ke ʻano sodium thiocyanate ʻelua-ʻanuʻu, ke ʻano dimethylformamide hoʻokahi-ʻanuʻu a me ke ʻano pulu organik dimethylacetamide e like me nā mea hoʻoheheʻe. Mai ka manaʻo o nā ʻano hana a me nā lako, ka hoʻohana ʻana i nā mea, ka hopena o ke kaiapuni, ka maikaʻi o ka huahana, Nui nā mea e like me ka hana post-processing, ka helu localization a me nā ʻano hoʻomohala haole i hoʻonui i ka noiʻi noi a me nā hana hoʻolaha. Ua hoʻohana ʻia ʻo Dimethylacetamide ma ke ʻano he hoʻohālikelike piha. Ua hoʻohana ʻia ke ʻano hana ʻelua-ʻanuʻu sodium thiocyanate a me ke ʻano pulu organik dimethylacetamide. ʻO ka hoʻomohala hoʻohiki nui loa. I kēia manawa, hoʻohana ka nui o nā hoʻonohonoho fiber acrylic ma Kina i nā kaʻina hana pulu e hoʻohana ana i ka dimethylacetamide ma ke ʻano he mea hoʻoheheʻe.
Ka wehewehe ʻana o ke kūkulu ʻana
N,N-dimethylacetamide
CAS: 127-19-5
Ka nui o ka paʻa 0.9±0.1 g/cm3
Ka paila ʻana he 166.1±0.0 °C ma 760 mmHg
Kiko heheʻe -20 °C
ʻO ke ʻano molekole C4H9NO
Kaumaha molekole 87.120
Wahi uila 70.0±0.0 °C
Helu CBN: CB31073068
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