N,N-Dimethylacetamide (DMAc) yog ib qho polar aprotic hnyav uas siv dav hauv kev tsim tshuaj, kev tsim cov tshuaj polymer, thiab cov txheej txheem tshuaj. Nws cov mis molecular yog CH3CON (CH3)2, nws qhov hnyav molecular yog 87.12 g / mol, thiab nws tus lej CAS yog 127-19-5. Dimethylacetamide plays lub luag haujlwm tseem ceeb hauv textiles, pharmaceuticals, kev ua liaj ua teb, thiab polymer manufacturing.
DMAC Solvent Dimethylacetamide CAS 127-19-5
Purity,% (wt): Ntau dua lossis sib npaug li 99%
CAS Nr .: 127-19-5
Cov tsos mob: tsis muaj xim, pob tshab kua
Kub taw tes: ~ 165-166 degree
Solubility: Miscible nrog dej thiab feem ntau cov organic solvents
Polarity: Muaj zog polar aprotic hnyav
Cov ntxhiab tsw: me ntsis amine-zoo li tsw
DMAC Chemical Formula:
Cov tshuaj formula ntawm DMAc (N, N{0}}dimethylacetamide) yog C4H7NO. Nws cov qauv qauv feem ntau sau ua CH3CON(CH3)2 lossis C4H9NO, sawv cev rau pawg acetamide uas cov nitrogen atom hloov los ntawm ob pawg methyl.
- Cov qauv qauv ntawm dimethylacetamide yog qhia hauv qab no:
DMAC Solvent Properties:
| Tshuaj npe | N,N{0}}Dimethylacetamide |
| Synonyms | DMAc; DMA |
| CAS Nr | 127-19-5 |
| Molecular Formula | CH3CON(CH3) 2 |
| Molecular Luj | 87,12 g / mol |
| Qhov tshwm sim | Tsis muaj xim, ntshiab kua |
| Boiling Point | 165-166 degree |
| Melting Point | -20 degree |
| Ceev (20 degree) | 0.936–0.944 g / cm³ |
| Vapor Siab (20 degree) | ~ 0.5 kPa |
| Flash Point (Closed Cup) | 63-70 degree |
| Solubility | Ua tiav miscible nrog dej thiab feem ntau cov kuab tshuaj organic |
| Polarity | Polar aprotic hnyav heev |
| Kev ruaj ntseg | Nyob ruaj khov nyob rau hauv ib txwm kub thiab siab |
| Flammability | Combustible kua |
Xav paub ntau ntxiv txog cov khoom thiab cov lus qhia ntawm DMAC Solvent? Tiv tauj peb!
CAS 127-19-5 DMAC Solvent Uses
1. Fiber thiab Polymer kev lag luam
N,N-Dimethylacetamide yog dav siv nyob rau hauv zus tau tej cov hluavtaws fibers xws li:
- Polyacrylonitrile (PAN)
- Polyurethane (PU)
- Aramid fibers (xws li Kevlar-cov ntaub ntawv hom)
Nws ua raws li cov kuab tshuaj spinning, kom ntseeg tau tias fiber ntau tsim thiab cov khoom zoo.
2. Txheej thiab Resins
Nyob rau hauv coatings thiab resin formulations,DMAC kuab tshuajyog siv rau:
- Dissolve siab -kev ua haujlwm resins
- Txhim kho zaj duab xis tsim
- Txhim kho txheej txheej uniformity
Nws yog feem ntau pom nyob rau hauv industrial coatings thiab hluavtaws tawv ntau lawm, adhesives.
3. Kev tsim tshuaj
Dimethylacetamide (CAS 127-19-5) plays lub luag haujlwm tseem ceeb hauv kev lag luam kws tshuaj los ntawm:
- Ua raws li cov tshuaj tiv thaiv nruab nrab hauv cov tshuaj synthesis
- Txhim kho solubility ntawm cov khoom xyaw tshuaj nquag (APIs)
4. Tshuaj Synthesis
Vim nws ruaj khov thiab polarity, DMAC hnyav yog nquag siv hauv cov tshuaj tiv thaiv organic; cov txheej txheem catalytic; nruab nrab ntau lawm.
Raws li tus kws tshaj lij kev muag khoom,Gneebiomuab kev ruaj khov Dimethylacetamide hnyav (CAS 127-19-5) nrog kev txhawb nqa tiav. Nug tam sim no rau koj tus kheej tus nqi.
Nyem qhov no xa ib qho kev nug
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