Premium Dimethylacetamide (DMAc): The High - Performance Polar Solvent for Advanced Industries
Major Application Fields
1. Polymer Industry: Enabling High - Performance Materials
DMAc is a cornerstone in the production of advanced polymers, particularly in the synthesis of high - strength fibers and films:
Aramid Fibers:
In the manufacturing of aramid fibers (e.g., Kevlar®), DMAc serves as the solvent for polyamide polymerization, enabling the creation of ultra - strong materials used in bulletproof vests, aerospace composites, and industrial ropes. For example, U.S. defense contractors rely on DMAc to produce aramid fibers with tensile strengths exceeding 3,600 MPa.
Polyimide Films:
Used in the production of polyimide (PI) films (e.g., Kapton®), DMAc dissolves polyamic acid precursors, allowing for precise control of film thickness and optical properties. These films are critical in flexible electronics (e.g., OLED displays, flexible PCBs) and high - temperature insulation in automotive motors.
Spandex and Synthetic Fibers:
In textile manufacturing (e.g., Asian spandex plants), DMAc facilitates the spinning of polyurethane fibers, ensuring uniform diameter and elasticity in fabrics used for sportswear and medical compression garments.
2. Pharmaceutical & Biotechnology: Solvent and Reaction Medium
Drug Synthesis:
DMAc acts as a versatile solvent in pharmaceutical intermediates and active pharmaceutical ingredient (API) production. Its ability to dissolve both organic and inorganic compounds makes it ideal for condensation, cyclization, and oxidation reactions. For example, it is used in the synthesis of antiretroviral drugs (e.g., HIV protease inhibitors) in European pharmaceutical facilities.
Formulation Support:
In topical formulations (e.g., creams, gels), DMAc enhances the penetration of lipophilic drugs through the skin, improving bioavailability. It is also used in parenteral solutions for its low toxicity and compatibility with human physiology (LD₅₀ > 3,000 mg/kg in rats).
Biotech Applications:
In biopharmaceutical manufacturing, DMAc is used in protein purification processes, such as chromatography, to solubilize membrane proteins and improve separation efficiency.
3. Electronics & Semiconductor Industry: Precision Solvent for Microfabrication
Photoresist Removal:
In semiconductor fabrication, DMAc is used in advanced cleaning processes to remove stubborn photoresist residues from silicon wafers. Its high solvency for epoxy - based photoresists makes it indispensable in nanolithography (e.g., EUV lithography for 3nm chip nodes).
OLED and Display Manufacturing:
In the production of organic light - emitting diodes (OLEDs), DMAc dissolves organic semiconductors and dopants, enabling uniform thin - film deposition via inkjet printing or spin - coating. Korean display manufacturers use DMAc to achieve pixel precision down to micrometer scales.
Electroplating and Etching:
Serves as a co - solvent in electroplating baths for gold and copper, improving deposit uniformity in advanced packaging technologies (e.g., 3D ICs, fan - out wafer level packaging).
4. Textile and Leather Processing: Sustainable Solutions
Synthetic Fiber Spinning:
In the production of acrylic fibers, DMAc replaces more toxic solvents (e.g., dimethylformamide, DMF), offering comparable solvency with lower environmental impact. European textile mills use DMAc in eco - friendly processes certified by the OEKO - TEX® Standard 100.
Leather Tanning:
As a substitute for traditional tanning agents, DMAc enhances the penetration of vegetable tannins, producing softer, more breathable leather for luxury goods (e.g., Italian leather handbags). Its low volatility reduces VOC emissions in tanning facilities.
5. Industrial Cleaning and Extraction: Efficiency and Safety
Metal Degreasing:
In aerospace and automotive industries, DMAc removes oil, grease, and flux residues from precision components (e.g., turbine blades, engine parts). Its high boiling point (166°C) ensures minimal evaporation during ultrasonic cleaning, reducing solvent loss.
Natural Product Extraction:
Used in the extraction of natural pigments (e.g., carotenoids from algae) and pharmaceuticals from plant materials, DMAc offers selective solvency without compromising the bioactivity of target compounds.
Specifications
| Product Name | Propionic Acid | |||||||||
| Chemical Formula | C3H6O2 | |||||||||
| Molecular Weight | 74.08 g/mol | |||||||||
| Appearance | Colourless transparent liquid | |||||||||
| Melting Point | -20.8℃ | |||||||||
| Boiling Point | 141.1℃ | |||||||||
| Density | 0.993 g/cm³ | |||||||||
| CAS NO | 79 - 09 - 4 | |||||||||
| HS Code | 29155000 | |||||||||
| EINECS NO | 201 - 176 - 3 | |||||||||
| Application | Applied in plastics, pharma, food, solvents and perfumes | |||||||||
Quality Control Sheet
| Product Name | Propionic Acid | ||||||
| ITEM | STANDARD VALUE（%） | TEST VALUE（%） | |||||
| Propionic Acid Content, w/%≥ | 99.5 | 99.9 | |||||
| Density（20/20℃） | 0.993-0.997 | 0.996 | |||||
| Boiling Range/℃ | 138.5-142.5 | 139.4-141.1 | |||||
| Evaporation residue,w/%≤ | 0.01 | 0.006 | |||||
| Water,w/%≤ | 0.15 | 0.02 | |||||
| Aldehyde,w/%≤ | ≤0.05 | 0.04 | |||||
| easy oxidization,w/%≤ | ≤0.05 | 0.01 | |||||
| Pb mg/kg≤ | 2.0 | ≤2.0 | |||||
| As mg/kg≤ | 3.0 | ≤3.0 | |||||
| Conclusion | Comply with the standards of GB 1886.210-2016 | ||||||
Quality & Compliance
Purity Grades:
Electronic Grade: ≥99.9% purity, with metal ions ≤1 ppm, meeting SEMI C8 standards for semiconductor use.
Pharmaceutical Grade: Complies with USP, EP, and JP, with moisture content ≤0.1% and UV absorbance ≤0.05 at 260 nm.
Industrial Grade: ≥99% purity, suitable for polymer and textile applications, with low sulfur and chloride content.
Sustainability:
Produced via catalytic amidation of acetic anhydride with dimethylamine, using energy - efficient distillation and solvent recovery systems.
Recyclable and compatible with closed - loop industrial processes, aligning with EU Circular Economy Action Plan goals.
Safety:
Packaged in stainless steel drums or ISO tanks, with full MSDS compliance and GHS labeling for safe transport (UN 2265, Class 3).
Why Choose Our Dimethylacetamide?
Whether you’re developing next - generation polymers for aerospace, manufacturing state - of - the - art semiconductors, or formulating innovative pharmaceuticals, our DMAc delivers unmatched solvency and reliability. With global technical support and a supply chain optimized for fast delivery, we ensure your operations benefit from this versatile solvent’s performance and sustainability.
Unlock the potential of advanced materials with Premium Dimethylacetamide—where precision meets performance in every industry.