N,N-Dimethylacetamide (DMAc, CAS 127-19-5) is harmful, DMAc may cause skin and eye irritation, respiratory discomfort, and possible liver effects with long-term exposure.
Possible health effects include:
- skin irritation
- eye irritation
- respiratory discomfort
- possible liver effects after long-term exposure
These risks usually occur when safety precautions are not followed or exposure levels are high.
Dimethylacetamide Specification Table
| Chemical Name | Dimethylacetamide (DMAC) |
| CAS Number | 127-19-5 |
| Density | 0.937 g/cm³ |
| Temperature | 20 °C (68 °F) |
| Appearance | Colorless liquid |
| Solvent Type | Polar aprotic solvent |
How to Handle DMAc Safely in Daily Operations
1. Personal Protective Equipment (PPE)
Gloves: Wear chemical-resistant gloves; butyl rubber is preferred.
Eyes: Use splash-proof goggles; or wear a face shield.
Body: Wear long-sleeved clothing, chemical-resistant aprons, or full protective suits.
Respiratory Protection: Use a fume hood; if concentrations exceed 10 ppm, wear a NIOSH-certified organic vapor respirator.
2. Storage
Maintain adequate ventilation to keep concentrations below exposure limits.
Store in a cool, dry, well-ventilated area with containers tightly sealed.
Keep away from heat sources, sparks, open flames, and hot surfaces.
Store separately from strong oxidizers, strong acids, aldehydes, and peroxides.
4. Emergency Response
Skin Contact: Rinse with copious amounts of water for at least 15 minutes.
Eye Contact: Rinse continuously with water while keeping eyes open; seek immediate medical attention.
Inhalation: Move to fresh air; seek medical attention if discomfort persists.
Spills: Absorb with inert absorbent material; use non-sparking tools; collect, seal, and dispose of properly.
Fire: Use water spray, alcohol-resistant foam, dry powder, or carbon dioxide to extinguish.
5. Medical Surveillance
Prolonged exposure may cause liver damage; health monitoring is recommended for regularly exposed personnel.
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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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