N, N-Dimethylacetamide_DMAC 127-19-5
Ibisobanuro birambuye
| Izina RY'IGICURUZWA | N, N-Dimethylacetamide / DMAC |
| URUBANZA | 127-19-5 |
| MF | C4H9NO |
| MW | 87.12 |
| Ubucucike | 0,937 g / ml |
| Ingingo yo gushonga | -20 ° C. |
| Ingingo yo guteka | 164.5-166 ° C. |
| Ubucucike | 0,937 g / mL kuri 25 ° C (lit.) |
| Ubucucike bw'umwuka | 3.89 (vs ikirere) |
| Umuvuduko wumwuka | 40 mm Hg (19.4 ° C) |
| Ironderero | n20 / D 1.439 (lit.) |
| Ingingo ya Flash | 158 ° F. |
| Imiterere yo kubika | Ubike munsi + 30 ° C. |
| Gukemura | > 1000g / l gushonga |
| Coefficient ya acide | (pKa) -0.41 ± 0.70 (Biteganijwe) |
| Ifishi | Amazi |
| Ibara | Ibara ritagira ibara ry'umuhondo |
| Uburinganire | 6.3 |
| Agaciro PH | 4 (200g / l, H2O, 20 ℃) |
| Impumuro nziza | (Impumuro) Impumuro mbi ya ammonia |
| Impumuro nziza | (Impumuro nziza) 0.76ppm |
| Amazi meza | ntibishoboka |
| Amapaki | 1 L / icupa, 25 L / ingoma, 200 L / ingoma |
| Umutungo | Irashobora kuvangwa n'amazi, inzoga, ether, ester, benzene, chloroform, hamwe nibintu byiza. |
Synonyme
Acide acetike dimethylacetamide;N, N-Dimethylacetamide.
Imikorere
DMAC ikoreshwa cyane cyane nk'umuti wa fibre synthique (acrylonitrile) hamwe na polyurethane kuzunguruka hamwe na polyamide ya sintetike, kandi ikanakoreshwa nk'umusemburo wa distillation wo gutandukanya styrene n'ibice bya C8, kandi ikoreshwa cyane muma firime ya polymer, gutwika no gufata imiti, nibindi. .Kugeza ubu, ikoreshwa cyane mu buvuzi n’imiti yica udukoko mu guhuza antibiyotike n’imiti yica udukoko.Irashobora kandi gukoreshwa nkumusemburo wibisubizo, amashanyarazi ya electrolytike, icyuma gisiga amarangi, hamwe nibintu bitandukanye bya kristaline.
Ibisobanuro
N.Irashobora kwibeshya cyane kumazi, ibimera neza, esters, ketone, alcool, ethers, benzene na chloroform, nibindi, kandi birashobora gukora molekile zivanze, kuburyo ikoreshwa cyane nka solvent na cataliste.Kubijyanye na solvent, nkibishishwa bifite aho bihira cyane, flash point yo hejuru, ituze ryumuriro mwinshi hamwe nubutunzi bwimiti, irashobora gukoreshwa kuri polyacrylonitrile izunguruka, ibinini bya sintetike na resin naturel, vinyl formate, vinyl pyridine nabandi ba cololymers na Aromatic carboxylic acide;mubijyanye na catalizator, irashobora gukoreshwa mugushuha urea kugirango itange aside cyanuric, reaction ya alogenil ya halogenated na cyanide yicyuma kugirango itange nitrile, reaction ya sodium acetylene na alogili ya halogenate kugirango itange alkyl alkyne, hamwe nigisubizo cya organic halide na cyanate kubyara isocyanate.N.Gukuramo distillation solvent yo gutandukanya styrene na C8 agace, nibindi.
