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N,N-Dimethylacetamide_DMAC 127-19-5

Takaitaccen Bayani:

Sunan samfur: N, N-Dimethylacetamide/DMAC

Saukewa: 127-19-5

Saukewa: C4H9NO

MW: 87.12

Yawan yawa: 0.937 g/ml

Matsayin narkewa: -20 ° C

Tushen tafasa:164.5-166°C

Yawa: 0.937 g/mL a 25 ° C (lit.)


Cikakken Bayani

Tags samfurin

Cikakken Bayani

Sunan samfur N, N-Dimethylacetamide/DMAC
CAS 127-19-5
MF C4H9N
MW 87.12
Yawan yawa 0.937 g/ml
Wurin narkewa -20°C
Wurin tafasa 164.5-166 ° C
Yawan yawa 0.937 g/ml a 25 °C (lit.)
Yawan Turi 3.89 (da iska)
Turi matsa lamba 40 mm Hg (19.4 ° C)
Indexididdigar refractive n20/D 1.439 (lit.)
Wurin walƙiya 158 °F
Yanayin ajiya Adana a ƙasa + 30 ° C.
Solubility > 1000g/l mai narkewa
Yawan acidity (pKa) - 0.41 ± 0.70 (An annabta)
Siffar Ruwa
Launi Mara launi zuwa rawaya
Dangantaka polarity 6.3
PH darajar 4 (200g/l, H2O, 20 ℃)
wari (Odor)Rashin warin ammonia
Ƙofar ƙamshi (Odor Threshold) 0.76ppm
Ruwa mai narkewa miscible
Kunshin 1 L/kwalba, 25L/Drum, 200L/Drum
Dukiya Ana iya haɗa shi da ruwa, barasa, ether, ester, benzene, chloroform, da mahadi masu kamshi.

Makamantu

Acetic acid dimethylacetamide; N, N-Dimethylacetamide.

Aiki

Ana amfani da DMAC galibi azaman mai narkewa don fibers na roba (acrylonitrile) da polyurethane kadi da resin polyamide na roba, kuma ana amfani dashi azaman mai narkewa distillation mai narkewa don raba styrene daga sassan C8, kuma ana amfani dashi sosai a cikin fina-finai na polymer, sutura da magunguna, da sauransu. A halin yanzu, ana amfani da shi sosai a cikin magunguna da magungunan kashe qwari don haɗa maganin rigakafi da magungunan kashe qwari. Hakanan za'a iya amfani da shi azaman mai kara kuzari don amsawa, abubuwan da ake amfani da su na electrolytic, mai lalata fenti, da nau'ikan nau'ikan abubuwan ƙarfi na crystalline adducts da hadaddun.

Bayani

N, N-Dimethylacetamide, wanda kuma aka sani da acetyldimethylamine, acetyldimethylamine, ko DMAC a takaice, wani kaushi ne mai ƙarfi mai ƙarfi mai ƙarfi tare da ɗan ƙaramin ƙamshin ammonia, mai ƙarfi mai ƙarfi, da kewayon abubuwa masu narkewa. Yana da yadu miscible da ruwa, aromatic mahadi, esters, ketones, alcohols, ethers, benzene da chloroform, da dai sauransu, kuma zai iya kunna fili kwayoyin, don haka shi ne yadu amfani a matsayin ƙarfi da kuma kara kuzari. A cikin sharuddan sauran ƙarfi, a matsayin sauran ƙarfi da high tafasasshen batu, high flash batu, high thermal kwanciyar hankali da kuma sinadaran kwanciyar hankali, shi za a iya amfani da polyacrylonitrile kadi sauran ƙarfi, roba guduro da na halitta guduro, vinyl formate, vinyl pyridine da sauran copolymers da Aromatic carboxylic acid sauran ƙarfi; Dangane da mai kara kuzari, ana iya amfani da shi a cikin tsarin dumama urea don samar da acid cyanuric, halayen halogenated alkyl da cyanide karfe don samar da nitrile, amsawar sodium acetylene da halogenated alkyl don samar da alkyl alkyne, da halayen halide da cyanate don samar da isocyanate. N, N-dimethylacetamide kuma za a iya amfani da a matsayin sauran ƙarfi ga electrolysis sauran ƙarfi da kuma daukar hoto coupler, Paint cire, Organic kira albarkatun kasa, kwari da kuma Pharmaceutical albarkatun kasa. Extractive distillation sauran ƙarfi don raba styrene daga C8 juzu'i, da dai sauransu.


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