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N, N-Dimethylacetamide_DMAC 127-19-5 Ishusho Yerekanwe
  • N, N-Dimethylacetamide_DMAC 127-19-5

N, N-Dimethylacetamide_DMAC 127-19-5

Ibisobanuro bigufi:

Izina ryibicuruzwa: N, N-Dimethylacetamide / DMAC

CAS: 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.)


Ibicuruzwa birambuye

Ibicuruzwa

Ibicuruzwa birambuye

Izina ryibicuruzwa 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 ya + 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 (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 bya aromatic.

Synonyme

Acide acetike dimethylacetamide; N, N-Dimethylacetamide.

Imikorere

DMAC ikoreshwa cyane cyane nk'umusemburo wa fibre synthique (acrylonitrile) hamwe na polyurethane kuzunguruka hamwe na polyamide ya polyametike, kandi ikoreshwa kandi nk'umuti ukuramo ibishishwa mu gutandukanya styrene n'ibice bya C8, kandi ikoreshwa cyane muri firime ya polymer, gutwikira hamwe na farumasi, nibindi. Kugeza ubu, ikoreshwa cyane mu buvuzi n’imiti yica udukoko mu guhuza antibiyotike n’imiti yica udukoko. Irashobora kandi gukoreshwa nkumusemburo wibisubizo, umusemburo wa electrolytike, icyuma gisiga amarangi, hamwe nibindi bintu bitandukanye bya kristaline.

Ibisobanuro

N. Irashobora kwibeshya cyane mumazi, ibimera neza, esters, ketone, alcool, ethers, benzene na chloroform, nibindi, kandi irashobora gukora molekile zivanze, bityo ikoreshwa cyane nka solge na cataliste. Kubijyanye na solvent, nkibishishwa bifite aho bihurira cyane, flash point yo hejuru, ihindagurika ryinshi ryumuriro hamwe nubutunzi bwimiti, irashobora gukoreshwa mumashanyarazi ya polyacrylonitrile izunguruka, resinike ya sintetike na resin naturel, vinyl formate, vinyl pyridine nizindi copolymers hamwe na Aromatic carboxylic acide; kubijyanye na catalizator, irashobora gukoreshwa mugikorwa cyo gushyushya urea kugirango itange aside cyanuric, reaction ya halogenated alkyl na cyanide yicyuma kugirango itange nitrile, reaction ya sodium acetylene na halogenated alkyl kugirango itange alkyl alkyne, hamwe nigisubizo cya halide organic na cyanate kugirango itange isocyanate. N. Gukuramo distillation solvent yo gutandukanya styrene nigice C8, nibindi.

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