N,N-Dimethylacetamide (DMAC) is a colorless, high boiling point solvent that is used in various industrial processes, including the production of synthetic fibers, plastics, pharmaceuticals, and electronics. DMAC is a polar solvent that is miscible with water, alcohols, ethers, and many organic solvents.It has the boiling point of 165-166 °C,making it useful for high-temperature reactions and distillations.
What Is N,N-Dimethylacetamide (CAS NO. 127-19-5)?
N,N-Dimethylacetamide (DMAC) is a high-boiling polar aprotic solvent with the chemical formula C4H9NO. It is well known for its strong solvency, thermal stability, and ability to dissolve a wide range of organic and inorganic compounds. DMAC is particularly effective in processes that demand high efficiency under challenging conditions, making it a preferred solvent across multiple industries.
Typically appearing as a clear, colorless liquid with a faint ammonia-like odor, N,N-Dimethylacetamide is miscible with water and most organic solvents. It is commonly produced through the reaction of dimethylamine with acetic acid derivatives, ensuring a consistent supply of high-purity DMAC for industrial use.
Physical Properties of DMAC (N,N-Dimethylacetamide)
Below is a summary table of the main physical and chemical properties of DMAC:
| Property | Value |
|---|---|
| Chemical Name | N,N-Dimethylacetamide |
| Abbreviation | DMAC / DMAc |
| CAS Number | 127-19-5 |
| Molecular Formula | C₄H₉NO |
| Molecular Weight | 87.12 g/mol |
| Boiling Point | 165–166°C |
| Melting Point | -20°C (approx.) |
| Density | ~0.94 g/cm³ |
| Solubility | Miscible with water |
| Type | Polar aprotic solvent |
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Why Choose N,N-Dimethylacetamide (DMAC)?
If you are considering N,N-Dimethylacetamide for your operations, there are several key advantages that make DMAC a top choice:
Excellent Solvency Power
DMAC can dissolve a wide range of polymers, resins, and active pharmaceutical ingredients. This makes it an indispensable solvent in industries such as textiles, coatings, and pharmaceuticals.
Thermal and Chemical Stability
With a boiling point of around 165°C, N,N-Dimethylacetamide remains stable under high-temperature processing conditions. Its resistance to thermal degradation ensures that DMAC can be used in demanding applications without compromising quality.
Applications of N,N-Dimethylacetamide (DMAC)
- Pharmaceutical production: As a solvent for APIs and intermediates.
- Polymer and fiber industry: Dissolving polyacrylonitrile, polyurethane, and polyimides.
- Electronics: Acting as a cleaning agent and reaction solvent in electronic material processing.
- Coatings and adhesives: Providing excellent film-forming and binding capabilities.
Cost-Effectiveness
Although N,N-Dimethylacetamide is a specialized solvent, it often proves cost-effective in the long run. Its efficiency reduces the volume required per process, and its stability helps minimize replacement and downtime costs.
Customization Options
Suppliers often provide DMAC in various grades-industrial grade, pharmaceutical grade, and electronic grade-allowing end-users to select the version that best suits their operational needs.
Where to Buy N,N-Dimethylacetamide (DMAC)?
When purchasing N,N-Dimethylacetamide (DMAC), choosing a reliable manufacturer is essential to ensure product quality, stable supply, and regulatory compliance. Tianjin Gnee Biotech Co., Ltd. offers clear advantages as a professional chemical supplier for global buyers.
High Purity and Custom Specifications
The purity of DMAC directly affects production efficiency and final product quality. Tianjin Gnee Biotech Co., Ltd. provides high-purity N,N-Dimethylacetamide suitable for industrial, pharmaceutical, and specialty applications. Customized specifications are also available based on customer requirements.
Complete Safety Documentation
As an experienced supplier, Tianjin Gnee Biotech Co., Ltd. provides professional documentation including MSDS, COA, TDS, and shipping documents. This helps buyers handle DMAC safely and meet import or production requirements efficiently.
Secure Packaging and Stable Storage Quality
Proper packaging is critical for maintaining solvent stability during transportation and storage. Tianjin Gnee Biotech Co., Ltd. offers reliable packaging solutions to protect DMAC from moisture contamination and quality loss during long-distance shipment.
Compliance with International Standards
For industries such as pharmaceuticals, electronics, and chemicals, compliance is a key concern. Tianjin Gnee Biotech Co., Ltd. supplies DMAC that meets relevant quality and regulatory standards, helping customers reduce sourcing risks.
Stable Supply and Fast Global Service
With professional export experience, Tianjin Gnee Biotech Co., Ltd. supports customers with stable inventory, competitive pricing, and fast response times. Whether for trial orders or bulk quantities, buyers can expect dependable supply service.
