N,N-Dimethylacetamide_DMAC 127-19-5
Huahana Huahana
| Inoa mea kūʻai | N, N-Dimethylacetamide/DMAC |
| CAS | 127-19-5 |
| MF | C4H9NO |
| MW | 87.12 |
| ʻO ka mānoanoa | 0.937 g/ml |
| Lae hehee | -20°C |
| Lae paila | 164.5-166°C |
| ʻO ka mānoanoa | 0.937 g/mL ma 25 °C (kukui.) |
| Ka māhu māhu | 3.89 (me ka lewa) |
| Pumi mahu | 40 mm Hg (19.4 °C) |
| Hōʻike hōʻike | n20/D 1.439(māmā) |
| kiko uila | 158 °F |
| Nā kūlana mālama | E mālama ʻia ma lalo o +30 ° C. |
| Solubility | > 1000g/l hoʻoheheʻe |
| ʻAkika helu | (pKa)-0.41±0.70(Wanamua) |
| Puka | Waiwai |
| kala kala | ʻAʻohe kala a melemele |
| polarity pili | 6.3 |
| Waiwai PH | 4 (200g/l, H2O, 20 ℃) |
| ʻala | (ʻala)ʻala ʻAmoni ʻAminia |
| paepae pilau | (Papa Aala) 0.76ppm |
| Ka hoʻoheheʻe wai | huikau |
| Pūʻolo | 1 L/pahu, 25 L/pahu, 200 L/pahu |
| Waiwai | Hiki ke hoʻohui ʻia me ka wai, ka waiʻona, ka etera, ka ester, benzene, chloroform, a me nā mea ʻala. |
Nā huaʻōlelo like
Acetic acid dimethylacetamide;N, N-Dimethylacetamide.
Hana
Hoʻohana nui ʻia ʻo DMAC ma ke ʻano he solvent no nā fibers synthetic (acrylonitrile) a me ka polyurethane spinning a me ka synthetic polyamide resins, a hoʻohana ʻia hoʻi ma ke ʻano he extractive distillation solvent no ka hoʻokaʻawale ʻana i ka styrene mai nā ʻāpana C8, a hoʻohana nui ʻia i nā kiʻiʻoniʻoni polymer, coatings a me nā lāʻau lapaʻau, etc. .ʻano.I kēia manawa, hoʻohana nui ʻia i ka lāʻau lapaʻau a me ka pesticide e synthesize i nā antibiotic a me nā pesticides.Hiki ke hoʻohana ʻia ma ke ʻano he catalyst no ka hopena, he electrolytic solvent, he scavenger pena, a me nā ʻano like ʻole o nā mea hoʻohui a me nā paʻakikī.
wehewehe
ʻO N,N-Dimethylacetamide, ʻike ʻia hoʻi ʻo acetyldimethylamine, acetyldimethylamine, a i ʻole DMAC no ka pōkole, he mea hoʻoheheʻe polar aprotic me kahi ʻala amonia liʻiliʻi, solubility ikaika, a me nā ʻano mea hiki ke hoʻoheheʻe ʻia.Hiki ke hoʻopili ʻia me ka wai, nā mea ʻala, nā esters, ketones, alcohols, ethers, benzene a me chloroform, a me nā mea ʻē aʻe, a hiki ke hoʻāla i nā molekala hui, no laila ua hoʻohana nui ʻia ia e like me ka solvent a me ka catalyst.Ma ke ʻano o ka solvent, ma ke ʻano he mea hoʻoheheʻe me kahi kiʻekiʻe e hoʻolapalapa ai, kiʻekiʻe flash point, kiʻekiʻe thermal stability a me kemika paʻa, hiki ke hoʻohana ʻia no ka polyacrylonitrile spinning solvent, synthetic resin a me ka resin maoli, vinyl formate, vinyl pyridine a me nā copolymers a me Aromatic carboxylic. wai hoʻoheheʻe;ma ka ʻōlelo o ka catalyst, hiki ke hoʻohana ʻia i ke kaʻina hana o ka hoʻomehana ʻana i ka urea e hana i ka cyanuric acid, ka hopena o ka alkyl halogenated a me ka cyanide metala e hana i ka nitrile, ka hopena o ka sodium acetylene a me ka halogenated alkyl e hana i ka alkyl alkyne, a me ka hopena o ka organik. halide a me ka cyanate e hana i ka isocyanate.Hiki ke hoʻohana ʻia ʻo N, N-dimethylacetamide ma ke ʻano he mea hoʻoheheʻe no ka solvent electrolysis a me ka hui kiʻi kiʻi, ka wehe ʻana i ka pena, nā mea kūlohelohe kūlohelohe, pesticide a me nā mea lāʻau lapaʻau.Mea hoʻoheheʻe hoʻoheheʻe no ka hoʻokaʻawale ʻana i ka styrene mai ka hakina C8, etc.
