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N,N-Dimethylacetamide_DMAC 127-19-5

Fa'amatalaga Puupuu:

Igoa o oloa: N, N-Dimethylacetamide/DMAC

CAS: 127-19-5

MF: C4H9NO

MW: 87.12

Malosi: 0.937 g/ml

Liu liusuavai: -20°C

Mea fa'apuna:164.5-166°C

Malosi: 0.937 g/mL ile 25 °C (malamalama)


Fa'amatalaga Oloa

Faailoga o oloa

Fa'amatalaga Oloa

Igoa o oloa N, N-Dimethylacetamide/DMAC
CAS 127-19-5
MF C4H9NO
MW 87.12
Malosi 0.937 g/ml
Liu liusuavai -20°C
Fa'apuna 164.5-166°C
Malosi 0.937 g/mL ile 25 °C (malamalama)
Ausa Malosi 3.89 (vs ea)
Omiga ausa 40 mm Hg (19.4 °C)
Fa'ailoga fa'afofo n20/D 1.439(me.)
Fa'ailoga moli 158 °F
Tulaga teuina Teu i lalo ole +30°C.
Solubility >1000g/l solu
Acidity coefficient (pKa)-0.41±0.70(Vailoaina)
Fomu Suavai
Lanu Le lanu e samasama
Faiga polarity 6.3
PH taua 4 (200g/l, H2O, 20 ℃)
Sogisogi (Odor) Le manogi amonia vaivai
Osi manogi (Taula'i manogi) 0.76ppm
Suavai soluble fefiloi
afifi 1 L/fagu, 25 L/tapa, 200 L/tapa
Meatotino E mafai ona faʻafefiloi ma vai, ava malosi, eter, ester, benzene, chloroform, ma mea manogi.

Synonyms

Acetic acid dimethylacetamide; N, N-Dimethylacetamide.

Galuega

O le DMAC e masani lava ona faʻaaogaina e avea o se solvent mo filo faʻapipiʻi (acrylonitrile) ma polyurethane spinning ma resins polyamide synthetic, ma o loʻo faʻaaogaina foi e avea o se solvent distillation extractive mo le vavaeeseina o le styrene mai vaega o le C8, ma e faʻaaogaina lautele i polymer films, coatings ma pharmaceuticals, etc. I le taimi nei, o loʻo faʻaaogaina lautele i vailaʻau ma vailaʻau e faʻapipiʻi ai vailaau faʻamaʻi ma vailaʻau. E mafai foʻi ona faʻaaogaina e fai ma faʻalavelave mo le faʻaalia, se solvent electrolytic, se vali vali, ma le tele o mea faʻapipiʻi faʻapipiʻi tioata ma faʻalavelave.

Fa'amatalaga

N,N-Dimethylacetamide, e taʻua foi o le acetyldimethylamine, acetyldimethylamine, poʻo le DMAC mo se faʻapuupuu, o se solu polar aprotic ma sina manogi ammonia, malosi solubility, ma le tele o mea soluble. E faʻafefiloi lautele i le vai, mea manogi, esters, ketones, alcohols, ethers, benzene ma chloroform, ma isi, ma e mafai ona faʻagaoioia molelaʻau faʻapipiʻi, o lea e faʻaaogaina lautele e avea o se solvent ma catalyst. E tusa ai ma le solvent, e pei o se solvent ma le maualuga o le vevela, maualuga le moli, maualuga le vevela ma le mautu vailaʻau, e mafai ona faʻaaogaina mo le polyacrylonitrile spinning solvent, resin synthetic ma resin natura, vinyl formate, vinyl pyridine ma isi copolymers ma Aromatic carboxylic acid solvent; i le tulaga o le catalyst, e mafai ona faaaoga i le faagasologa o le vevela urea e maua ai le cyanuric acid, o le tali o halogenated alkyl ma uʻamea cyanide e maua ai nitrile, o le tali o le sodium acetylene ma halogenated alkyl e maua ai alkyl alkyne, ma le tali o organic halide ma cyanate e maua ai isocyanate. N, N-dimethylacetamide e mafai foʻi ona faʻaaogaina e fai ma solvent mo le electrolysis solvent ma le faʻapipiʻi ata, vali vali, mea faʻapipiʻi faʻasolosolo, vailaʻau faʻamaʻi ma vailaʻau. Su'e fa'amama fa'amama mo le tu'u'ese'ese o le styrene mai le vaega C8, ma isi.


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