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Basic Information Of Dimethylacetamide DMAC
Dimethylacetamide DMAC (CAS 127-19-5) is a colorless polar aprotic solvent. It has a high boiling point and good thermal as well as chemical stability. This solvent can mix well with water, making it widely applied in various chemical fields. Dimethylacetamide DMAC is favored for its excellent dissolving capacity, which suits many industrial and laboratory scenarios.
Dimethylacetamide (DMAC CAS 127-19-5) Properties
| Appearance | Colorless to pale yellow liquid |
| Odor | Faint, amine-like odor |
| Molecular Weight | 87.12 g/mol |
| Boiling Point | 165.5 °C (329.9 °F) at 760 mmHg |
| Melting Point | -20 °C (-4 °F) |
| Flash Point | 70 °C (158 °F) (Tag Closed Cup) – Classified as combustible, not highly flammable. |
| Autoignition Temperature | ~ 410 °C (770 °F) |
| Density | 0.937 g/cm³ at 25 °C |
| Vapor Pressure | 1.7 mmHg at 20°C; 2.6 mmHg at 25°C |
| Viscosity | 0.92 mPa·s (cP) at 25 °C |
| Refractive Index | 1.4359 at 20 °C |
DMAC CAS 127-19-5 Uses
Polymer Industry
DMAC serves as a key solvent in wet spinning processes, especially for acrylic fiber production. Dimethylacetamide DMAC can effectively dissolve high-molecular-weight polymers like polyurethane, polyacrylonitrile and polyvinyl chloride, playing an irreplaceable role in polymer processing.
Pharmaceutical Manufacturing
In drug production, Dimethylacetamide DMAC acts as a multi-functional assistant. It works as a reaction solvent, reagent and catalyst, and is commonly used in the synthesis of cephalosporins and other drugs.
Chemical Synthesis & Agriculture
For chemical synthesis, N,N-Dimethylacetamide functions as both solvent and catalyst in organic reactions such as deprotonation, dehydrogenation and halogenation. In agriculture, it is used as a solvent and carrier for insecticides and pesticides, helping to improve the effectiveness of these products.
Industrial Coatings & Analytical Chemistry
Dimethylacetamide is widely used in the production of synthetic leather, plastic films and industrial coatings, enhancing the performance of these products. In analytical chemistry, DMAC is applied in HPLC (High-Performance Liquid Chromatography) and LC-MS tests, ensuring accurate analytical results.
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