N,N-Dimethylbenzylamine (BDMA) - Shijiazhuang Sincere Chemicals Co., Ltd.
Introduction to N,N-Dimethylbenzylamine (BDMA)
N,N-Dimethylbenzylamine (BDMA), also known as 2-Methyl Benzamine, is a multifunctional chemical compound with a wide range of applications in industrial processes. As a key catalyst, BDMA enhances the performance of polyurethane foams, epoxy resins, and organic synthesis reactions. This article delves into its technical specifications, advantages, and real-world applications, supported by authoritative references from the National Institute of Standards and Technology (NIST).
Product Overview and Key Features
BDMA is a colorless to yellowish liquid with the molecular formula C9H13N and a molecular weight of 135.21 g/mol. It is characterized by its solubility in ethanol and ether, while being insoluble in water. The compound has a boiling range of 180–182°C and a refractive index of 1.4985–1.5005. Its specific gravity is 0.894, making it a lightweight yet effective chemical additive.
As a catalyst, BDMA accelerates chemical reactions in polyurethane production, ensuring uniform foam structure and strong bonding with substrates. In epoxy resin systems, it acts as a curing accelerator, improving the efficiency of anhydride, polyamide, and aliphatic amine curing processes.
Technical Specifications Table
| Parameter | Details |
|---|---|
| Chemical Name | N,N-Dimethylbenzylamine (BDMA) |
| Molecular Formula | C9H13N |
| CAS Number | 103-83-3 |
| Molecular Weight | 135.21 g/mol |
| Appearance | Colorless to yellowish liquid |
| Content | ≥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 |
Applications in Polyurethane Industry
BDMA is a critical component in the production of polyurethane foams, including bulk soft foams, rigid foams, and adhesive coatings. Its ability to enhance pre-fluidity ensures uniform foam structure, while its bonding properties improve adhesion between foam and substrates. This makes it ideal for applications such as refrigerator insulation, where thermal efficiency and durability are paramount.
In rigid polyurethane foams, BDMA reduces the formation of irregular bubbles, resulting in a denser, more stable material. This is particularly beneficial in construction and automotive industries, where structural integrity is essential.
Role in Organic Synthesis
BDMA serves as a catalyst and corrosion inhibitor in organic synthesis. It is used to neutralize acids and accelerate the synthesis of dehydrohydrohalide compounds, which are vital in pharmaceuticals. Additionally, BDMA acts as a quaternary ammonium salt and cationic surfactant, providing antimicrobial properties for applications such as electron microscope slice embedding.
Applications in Epoxy Resins
As a curing accelerator, BDMA enhances the performance of epoxy resins in various industrial applications. It accelerates the curing process in systems involving anhydrides, polyamides, and aliphatic amines, making it suitable for:
This versatility ensures that BDMA meets the demands of high-performance coatings and protective materials.
Advantages of N,N-Dimethylbenzylamine
BDMA offers several advantages, including:
- Enhanced reaction efficiency in polyurethane and epoxy systems.
- Improved foam uniformity and bonding strength in rigid foams.
- Cost-effective solution for industrial applications.
- Broad compatibility with various chemical systems.
Company Background: Shijiazhuang Sincere Chemicals Co., Ltd.
Shijiazhuang Sincere Chemicals Co., Ltd., located in Hebei Province, China, 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 meet global industrial standards. Their expertise in chemical synthesis and formulation ensures reliable performance in diverse applications.
Authoritative References and Industry Standards
According to the National Institute of Standards and Technology (NIST), BDMA's chemical properties align with industry requirements for catalytic efficiency and stability. NIST's database on organic compounds confirms its role as a catalyst in polymer synthesis, validating its widespread use in industrial processes.
For further details on BDMA's chemical behavior and applications, refer to NIST's Chemistry WebBook.
Conclusion
N,N-Dimethylbenzylamine (BDMA) is a cornerstone chemical in modern manufacturing, offering unparalleled versatility and performance. From polyurethane foams to epoxy resins, its applications span multiple industries, driven by its catalytic efficiency and chemical stability. Shijiazhuang Sincere Chemicals Co., Ltd. continues to lead in providing high-quality BDMA, ensuring that industries benefit from its innovative properties.
For more information, visit the BDMA product page or contact the company directly.
Post time: Sep . 22, 2025 11:35

