N,N-Dimethylacetamide_DMAC 127-19-5
Product Detail
| Product name | N, N-Dimethylacetamide/DMAC |
| CAS | 127-19-5 |
| MF | C4H9NO |
| MW | 87.12 |
| Density | 0.937 g/ml |
| Melting point | -20°C |
| Boiling point | 164.5-166°C |
| Density | 0.937 g/mL pa25 °C (lit.) |
| Vapor Density | 3.89 (vs mhepo) |
| Mhepo pressure | 40 mm Hg (19.4 °C) |
| Refractive index | n20/D 1.439(lit.) |
| Flash point | 158 °F |
| Kuchengetedza mamiriro | Chengetedza pasi pe +30°C. |
| Solubility | > 1000g/l inonyungudika |
| Acidity coefficient | (pKa)-0.41±0.70(Zvakafanotaurwa) |
| Form | Liquid |
| Color | Pasina ruvara kusvika kune yero |
| Relative polarity | 6.3 |
| PH kukosha | 4 (200g/l, H2O, 20℃) |
| Kunhuwa | (Kunhuwa)Kufenda kunhuwa kweammonia |
| Kunhuwa chikumbaridzo | (Odor Threshold) 0.76ppm |
| Kunyungudika kwemvura | miscible |
| Package | 1 L/bhodhoro, 25 L/drum, 200 L/drum |
| Property | Inogona kusanganiswa nemvura, doro, ether, ester, benzene, chloroform, uye zvinonhuhwirira. |
Mashoko anoreva zvakafanana
Acetic acid dimethylacetamide; N, N-Dimethylacetamide.
Function
DMAC inonyanya kushandiswa sechinhu chinonyungudutsa chekugadzira fibers (acrylonitrile) uye polyurethane spinning uye synthetic polyamide resins, uye inoshandiswawo seextractive distillation solvent yekuparadzanisa styrene kubva kune zvikamu zveC8, uye inoshandiswa zvakanyanya mumafirimu epolymer, machira uye mishonga yemishonga, nezvimwewo. Parizvino, inoshandiswa zvakanyanya mukurapa nemishonga yezvipembenene kugadzira mishonga inorwisa mabhakitiriya nemishonga yezvipembenene. Inogona zvakare kushandiswa sechinhu chinokonzeresa maitiro, electrolytic solvent, pendi scavenger, uye akasiyana ecrystalline solvent adducts uye complexes.
Tsanangudzo
N,N-Dimethylacetamide, inozivikanwawo seacetyldimethylamine, acetyldimethylamine, kana DMAC kwenguva pfupi, is aprotic yakanyanya polar solvent ine kunhuhwirira kweammonia, kunyungudika kwakasimba, uye huwandu hwezvinhu zvinonyungudika. Inonyanya kusanganiswa nemvura, mishonga inonhuhwirira, esters, ketones, alcohols, ethers, benzene uye chloroform, nezvimwewo, uye inogona kushandura mamorekuru emukomboni, saka inoshandiswa zvakanyanya sechinhu chinonyungudutsa uye chinokonzeresa. Panyaya yekunyungudutsa, sechinhu chinonyungudutsa chine nzvimbo yakakwirira yekubikira, high flash point, high thermal stability and chemical stability, inogona kushandiswa polyacrylonitrile spinning solvent, synthetic resin uye natural resin, vinyl formate, vinyl pyridine uye mamwe macopolymers uye Aromatic carboxylic acid solvent; maererano ne catalyst, inogona kushandiswa mukupisa urea kugadzira cyanuric acid, maitiro ehalogenated alkyl uye metal cyanide kubudisa nitrile, maitiro e sodium acetylene uye halogenated alkyl kubudisa alkyl alkyne, uye maitiro e organic halide uye cyanate kubudisa isocyanate. N, N-dimethylacetamide inogonawo kushandiswa sechinhu chinonyungudutsa che electrolysis solvent uye photographic coupler, pendi inobvisa, organic synthesis raw material, pesticide uye mishonga mbishi. Extractive distillation solvent yekuparadzanisa styrene kubva kuC8 chidimbu, nezvimwe.
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