CAS 127-19-5 N,N-Dimethylacetamide (DMAc) is a colorless, high-boiling, hygroscopic, and combustible liquid used primarily as a solvent. It is harmful if absorbed through the skin or inhaled, and poses a risk to the unborn child. Strict handling and storage protocols are required to minimize exposure and fire hazards.
N,N-Dimethylacetamide dMAc specification
| chemical Name | N,N-Dimethylacetamide |
| Other Name | DMAC |
| CAS No | 127-19-5 |
| EINECS No | 204-826-4 |
| Molecular Formula | C4H9NO |
| Molecular Weight | 87.12 g·mol-1 |
| Flash Point | 63 °C (145 °F) |
| Purity (%) | ≥99.9 |
| Moisture (%) | ≤0.02 |
| Amines ppm | ≤50 |
| Appearance |
Colorless and clear liquid |
What Are the Storage and Handling Guidelines of Dimethylacetamide?
Storage Guidelines
Store in a cool, dry, well-ventilated designated hazardous materials area; keep away from direct sunlight, high-temperature heat sources, and any source of ignition.
Dimethylacetamide (DMAc) is hygroscopic; unused containers must be kept completely sealed to prevent moisture absorption.
Do not store with strong oxidizers, strong acids, perchlorates, peroxides, nitrates, or halogenated compounds. Nitrogen gas sealing is recommended.
Handling Guidelines
Maintain constant ventilation. Wearing respiratory protective equipment is recommended, and operation in a fume hood is preferred.
Wear protective equipment correctly: chemical goggles, butyl rubber or neoprene resistant gloves, and protective clothing to avoid direct skin contact and penetration.
Eating and smoking are prohibited in the work area; wash hands thoroughly after handling, and remove and wash contaminated clothing immediately before reuse.
Keep away from open flames, high-temperature surfaces, and sparks. Use non-sparking tools and ensure containers are grounded to prevent static electricity.
Dimethylacetamide Solvent CAS 127-19-5
Dimethylacetamide uses
1. DMAC Pharmaceuticals and Agrochemicals
DMAC solvent is widely used in the synthesis of antibiotics, antiviral drugs, and pesticide intermediates. Its high solubility ensures uniform reactions and enhances product purity.
2. DMAC Polymer Processing
DMAC plays a key role in polyimide film, polyurethane coatings, and acrylic fiber production. In solution spinning, DMAC ensures stable fiber formation and excellent mechanical strength.
3. DMAC Lithium Batteries and Electronics
As a solvent for electrolytes and electrode coatings, high-purity DMAC is critical in lithium-ion battery production, improving cycle life and safety.
4. DMAC Coatings, Paints, and Inks
Thanks to its volatility and strong dissolving power, DMAC is a valuable ingredient in high-performance paints, printing inks, and adhesives.
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GNEE BIO Product Packaging
| Packaging Type | Net Weight |
|---|---|
| Steel Drum | 250 kg |
| IBC Tank | 1250 kg |
| ISO Tank | Bulk shipment |
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