The density of N,N-Dimethylacetamide (DMAc) is approximately 0.937 g/mL at 25 °C. Itis a colorless to light yellow liquid that is slightly less dense than water. Other reportedvalues include 0.94 g/mL or 0.94 g/cm3 at lower temperatures (20 °C). It is used in various industrial processes, including the production of synthetic fibers, plastics, pharmaceuticals, and electronics.
Physical Properties of Dimethylacetamide (DMAc or DMA)
| Property | Value |
|---|---|
| Chemical Name | N,N-Dimethylacetamide |
| Abbreviation | DMAc / DMAC |
| CAS Number | 127-19-5 |
| Boiling Point | 165–166°C |
| Density | 0.937–0.94 g/mL |
| Melting Point | ~ -20°C |
| Type | Polar aprotic solvent |
Dimethylacetamide (dmac) Application
- Solvent: N,N-Dimethylacetamide is widely used as a solvent in various industrial applications. It has excellent solvency power and can dissolve a wide range of polar and non-polar compounds. It is commonly used in organic synthesis, Chemical manufacturing, polymer processing, and as a reaction medium in certain chemical reactions.
- Chemical Reagent: DMAC can act as a reagent or reactant in various chemical reactions. It is utilized in the synthesis of Chemical intermediates, dyes, resins, and other specialty chemicals. Its versatile nature makes it suitable for a wide range of synthetic processes.
- Industrial Applications: Dimethylacetamide solvent finds application in industries such as textiles, plastics, coatings, and electronics. It is used as a solvent in the production of synthetic fibers, such as acrylic and spandex. In the plastics industry, it can be used as a reaction medium, polymerization solvent, or as a component in polymer formulations. It also finds use in the production of coatings, films, and membranes.
Dimethylacetamide (DMA) Features
- Excellent Solvent Properties: N,N-Dimethylacetamide is known for its high solvency power, allowing it to dissolve a wide range of polar and non-polar compounds. It can dissolve various organic and inorganic substances, making it versatile in different applications.
- High Boiling Point: DMAC has a relatively high boiling point, which contributes to its effectiveness as a solvent in high-temperature processes, such as polymerization or reactions requiring elevated temperatures.
- Good Thermal Stability: N,N-Dimethylacetamide exhibits good thermal stability, making it suitable for use in processes that involve high temperatures.
- Low Vapor Pressure: DMAC has a relatively low vapor pressure, reducing the risk of excessive evaporation during processing and making it easier to handle and store.
- Hygroscopic Nature: N,N-Dimethylacetamide is hygroscopic, meaning it readily absorbs moisture from the air. Proper storage and handling are necessary to prevent contamination and maintain its quality.
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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.
Frequently Asked Questions About N,N-Dimethylacetamide (DMAC)
What is the shelf life of DMAC?
With proper storage, N,N-Dimethylacetamide can be stable for up to two years. Always check the product's certificate of analysis for specific shelf life details.
Is DMAC safe to use in pharmaceutical manufacturing?
Yes, DMAC is widely used as a solvent in pharmaceutical synthesis. However, strict handling and purification requirements must be followed to meet safety and regulatory standards.
Can N,N-Dimethylacetamide be recycled?
Yes, DMAC can often be recovered and purified through distillation, making it more environmentally sustainable and cost-effective.
What makes DMAC different from other solvents like NMP or DMSO?
While all three solvents-DMAC, NMP, and DMSO-are polar aprotic solvents with high solvency power, N,N-Dimethylacetamide is particularly valued for its balance of solvency, stability, and cost-effectiveness across diverse applications.
