Dimethylacetamide (DMAc) has a boiling point of 165 °C at standard atmospheric pressure (1 atm).
This relatively high boiling point makes dimethylacetamide suitable for high-temperature reactions and industrial processes requiring solvent stability, such as organic synthesis and fiber spinning manufacturing.
N,N-Dimethylacetamide Data:
- Boiling Point: 165–166 °C
- Melting Point: -20 °C
- Density: 0.94 g/cm³
- Flash Point: 63–70 °C (145–158 °F)
- Appearance: Colorless liquid
Why boiling point Matters for DMAC
DMAc's high boiling point delivers industrial process stability for high-temperature reactions (e.g., polycondensation, fiber spinning), minimizes solvent loss vs. volatile alternatives (acetone/THF), enables efficient distillation recovery for sustainability.
The Boiling point of dimethylacetamide (CAS 127-19-5) is a key physical property influencing:
- Chemical reactions
- Evaporation and distillation processes
- Industrial polymer and fiber production
- Laboratory extraction and synthesis
Comparison With Other Solvents
| Solvent | Boiling Point (°C) |
|---|---|
| Dimethylacetamide | 164 |
| NMP (N-Methyl-2-pyrrolidone) | 202 |
| DMSO | 189 |
| Acetonitrile | 81 |
| Acetone | 56 |
what is dimethylacetamide solvent used for
- Fiber Production
- Polymer & Resins Manufacturing.
- Pharmaceutical Solvent
- Chemical Synthesis
Safety Implications
| Aspect | Effect of Boiling Point |
|---|---|
| Flammability | Lower flammability vs. low-boiling solvents; DMAc is not highly flammable, but vapor may ignite at high temps. |
| Vapor Exposure | Moderate boiling point → lower room-temp vapor pressure, reducing inhalation risk vs. acetone/acetonitrile. |
| Thermal Stability | Tolerates moderate high-temperature reactions, lowering overheating risk. |
| Handling | Requires ventilation/PPE, but lower rapid evaporation risk vs. highly volatile solvents. |
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CAS 64-19-7 Acetic acid/Glacial Acetic Acid; CAS 67-68-5 Dimethyl Sulfoxide (DMSO); CAS 67-63-0 Isopropyl alcohol (IPA); CAS 95-47-6 o-Xylene; CAS 106-42-3 p-Xylene; CAS 75-09-2 Dichloromethane (DCM).
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| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 160 kg |
| ISO Tank | 20–22 MT |
| IBC Tank | 800–1000 kg |
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