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What are the uses of Dimethylacetamide in polymer production?

Mar 13, 2026 Leave a message

CAS 127-19-5 Dimethylacetamide (DMAc or DMAC) is a high-performance polar aprotic solvent used in polymer production for its excellent thermal stability and ability to dissolve a wide range of polymers. It is commonly applied in the manufacturing of polyurethane, polyimide resins, acrylic fibers, and specialty engineering plastics.

 

With its exceptional solubility, high boiling point (approximately 165°C), and chemical stability, DMAc effectively dissolves polymer precursors, enhances reaction uniformity, and supports high-temperature polymerization processes.

 

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

 

 

What are the uses of Dimethylacetamide in polymer production?

Solvent for Polyurethane Production
Dimethylacetamide DMAc is widely used as a critical processing solvent in the manufacturing of polyurethane polymers. It efficiently dissolves polymer precursors, maintains stable reaction conditions.

 

Production of Polyimide Resins
N,N-Dimethylacetamide is an essential solvent for synthesizing high-performance polyimide resins, which are widely used in electronics, aerospace materials, and high-temperature coating applications.

 

Acrylic Fiber Manufacturing
In the textile and advanced materials industry, DMAc acts as a primary spinning solvent for acrylic fiber production. It dissolves polyacrylonitrile polymers effectively, generates homogeneous fiber spinning solutions.

 

Processing of Engineering Plastics
Dimethylacetamide DMAC solvent also supports the production of specialty engineering plastics and advanced polymer materials, such as high-performance resins, membrane materials, and high-temperature-resistant plastics.

 

Why Polymer Manufacturers Choose DMAc

  • High solvency power for complex organic and polymer systems
  • Excellent chemical and thermal stability
  • Low vapor pressure, reducing losses during high-temperature operations
  • Compatibility with a wide range of resins and intermediates

These characteristics make DMAC not only efficient but also cost-effective over time, particularly in continuous production processes.

 

 

DMAC solvent Packaging and Storage

Item Specifications
Packaging Options 200 kg steel drums, IBC containers, bulk tanker shipments
Storage Recommendations Store in cool, well‑ventilated areas; keep containers tightly sealed; keep away from strong oxidizing agents

 

 

FAQ

What polymers is DMAc used for?

  • polyurethane
  • polyimide resins
  • polyacrylonitrile (acrylic fibers)
  • specialty engineering plastics

 

 

Looking for a reliable dimethylacetamide solvent (CAS 127-19-5) Supplier or manufacturer? Contact us for bulk supply, COA, SDS and competitive pricing.

 

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High-Purity DMAC Solvent Supplier

 

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As a leading manufacturer and exporter of fine chemicals, Henan Gneebio provides high-quality industrial chemicals. We supply to customers across the chemical, pharmaceutical, and materials industries, ensuring consistent quality, reliable logistics, and professional technical support.

Our chemical products hold international certifications (REACH, ISO, FMQS, HALAL) for global quality recognitio. We have warehouses in coreports such as Qingdao, Tianiin, and Shanghai, with a 15-day express delivery service.

 

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Gneebio Product Packaging

 

Packaging Type Net Weight
Steel Drum 160 kg
ISO Tank 20–22 MT
IBC Tank 800–1000 kg

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