N,N-Dimethylbenzylamine (BDMA)-Shijiazhuang Sincere Chemicals Co., Ltd.|Polyurethane Catalyst,Epoxy Resin Accelerator
Introduction to N,N-Dimethylbenzylamine (BDMA)
N,N-Dimethylbenzylamine (BDMA) is a versatile chemical compound with significant applications in the polyurethane and organic synthesis industries. As a catalyst, it plays a critical role in enhancing the performance of polyurethane foams, coatings, and epoxy resins. This article explores the core features, advantages, technical specifications, and application scenarios of BDMA, as well as the background of its manufacturer, Shijiazhuang Sincere Chemicals Co., Ltd..
Key Features of BDMA
BDMA is a colorless to yellowish liquid with a molecular formula of C9H13N and a molecular weight of 135.21. Its unique chemical structure allows it to act as an effective catalyst in various industrial processes. Key features include:
- High Reactivity: BDMA accelerates chemical reactions in polyurethane and epoxy systems, improving efficiency.
- Compatibility: It is soluble in ethanol and ether but insoluble in water, making it suitable for specific formulations.
- Thermal Stability: With a boiling range of 180–182°C, BDMA maintains stability under typical processing conditions.
Advantages of Using BDMA
BDMA offers several advantages that make it a preferred choice in industrial applications:
- Enhanced Foam Quality: In polyurethane rigid foam production, BDMA ensures pre-fluidity and uniform foam structure, improving bonding strength between the foam and substrates.
- Cost-Effectiveness: By accelerating curing processes, BDMA reduces production time and energy consumption.
- Multi-Functional Role: Beyond polyurethanes, BDMA acts as a corrosion inhibitor, acid neutralizer, and quaternary ammonium salt precursor, expanding its utility.
Technical Specifications Table
| Parameter | Details |
|---|---|
| Chemical Name | N,N-Dimethylbenzylamine (BDMA) |
| Molecular Formula | C9H13N |
| CAS Number | 103-83-3 |
| Appearance | Colorless to yellowish liquid |
| Purity | ≥99% |
| Solubility | Soluble in ethanol, ether; insoluble in water |
| Boiling Range | 180–182°C |
| Refractive Index | 1.4985–1.5005 |
| Specific Gravity | 0.894 |
| Packaging | 180 kg iron barrel |
Application Scenarios
BDMA's versatility is evident in its wide range of applications:
Polyurethane Industry
BDMA is a critical catalyst in the production of polyester polyurethane bulk soft foams, rigid foams, and adhesive coatings. Its ability to enhance pre-fluidity and foam uniformity makes it ideal for refrigeration insulation and construction materials.
Organic Synthesis
In organic chemistry, BDMA serves as a catalyst, corrosion inhibitor, and acid neutralizer. It is also used in the synthesis of quaternary ammonium salts and cationic surfactants, which have applications in disinfectants and microscope sample preparation.
Epoxy Resins
BDMA accelerates the curing of epoxy resins by promoting anhydride, polyamide, and aliphatic amine systems. It is widely used in electronic potting materials, encapsulation, and marine coatings.
About Shijiazhuang Sincere Chemicals Co., Ltd.
Shijiazhuang Sincere Chemicals Co., Ltd. is a leading manufacturer of specialty chemicals, including BDMA. With a commitment to quality and innovation, the company provides high-purity chemical products tailored to industrial needs. Their expertise in polyurethane catalysts and organic synthesis reagents has established them as a trusted partner in global markets.
Authoritative Citations and References
While no direct NIST citations were found for BDMA, the National Institute of Standards and Technology (NIST) plays a vital role in establishing chemical standards and measurement protocols. For further information on chemical safety and specifications, refer to NIST's Special Publication 1500.
References:
Post time: Oct . 08, 2025 00:05
