CAS 127-19-5 N,N-Dimethylacetamide (abbreviated as DMAC) is a highly polar organic solvent. It is a colorless liquid with an odor similar to alcohol. As a strongly polar solvent, DMAC Solvent can interact with numerous polar compounds.
- Solubility: Exhibits exceptional solubility for both organic materials (e.g., polymers, resins) and inorganic substances (e.g., certain salts). Fully miscible with most solvents including water, alcohols, and ethers.
- Thermal Stability: Boiling point reaches 166℃ (323℃F), flash point is 77℃ (157℃F), and it is relatively non-volatile.
- Polarity: Classified as a strongly polar, non-protonic solvent. Effectively dissolves polar compounds and promotes ionic reactions.
What is N,N-Dimethylacetamide (DMAC) Used for?
1. Polymer Synthesis and Processing: N,N-Dimethylacetamide DMAC serves as a polymerization and spinning solvent for polymers like polyimide (PI), polyurethane (PU), and polyacrylonitrile (PAN), particularly indispensable in producing high-performance fibers (e.g., aramid, carbon fiber precursor).
2. Pharmaceutical and Pesticide Synthesis: Serves as a reaction medium for synthesizing drug intermediates and pesticide active ingredients.
3. Coatings and Adhesives: DMAC is used as a solvent for high-end coatings (e.g., high-temperature resistant coatings, automotive coatings) and specialty adhesives.
4. Electronics Industry: CAS 127-19-5 Dimethylacetamide is used as a photoresist stripper in semiconductor chip manufacturing and as a cleaning agent for electronic components.
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