N-Dimethyl-1,3-Propanediamine | Premium Diamine Solutions
Industry Trends in High-Performance Amine Derivatives
The global chemical industry is undergoing a significant transformation, driven by demands for enhanced performance, environmental sustainability, and operational efficiency. Within this dynamic landscape, the market for specialty amine derivatives, particularly those like N, N-DIMETHYL-1, 3-PROPANEDIAMINE, is experiencing robust growth. These compounds are critical building blocks in various high-value applications, including advanced polymers, sophisticated coatings, and specialized additives. Key trends indicate a shift towards products offering superior reactivity, lower volatility, and improved safety profiles, directly influencing research and development efforts in this sector.
Current market analyses project a steady increase in demand for amine-based hardeners and catalysts, especially in the construction, automotive, and aerospace industries. This is attributed to the ongoing development of lightweight materials, durable composite structures, and more efficient manufacturing processes. Furthermore, regulatory pressures for reduced VOC emissions and the adoption of bio-based alternatives are shaping product innovation, pushing manufacturers to refine synthesis methods and explore greener chemical pathways. The versatility of compounds such as N, N-DIMETHYL-1, 3-PROPANEDIAMINE in facilitating diverse chemical reactions positions it as a cornerstone in meeting these evolving industrial requirements, ensuring its relevance and continued expansion within the specialty chemical market.
- Increasing adoption in high-solids and solvent-free coating formulations for reduced environmental impact.
- Growth in advanced composite materials requiring precise curing agents for superior mechanical properties.
- Expansion into oil and gas applications as corrosion inhibitors and demulsifiers due to their unique chemical properties.
- Rising demand from pharmaceutical and agrochemical sectors for intermediates in complex synthesis.
Detailed Manufacturing Process Flow of N, N-DIMETHYL-1, 3-PROPANEDIAMINE
The synthesis of N, N-DIMETHYL-1, 3-PROPANEDIAMINE is a meticulously controlled industrial process, designed to yield a high-purity product essential for demanding applications. The manufacturing journey typically involves several stages, from raw material procurement to final purification and quality assurance.
Key Process Steps Overview:
- 1. Raw Material Preparation: The primary feedstocks typically include 1,3-diaminopropane and formaldehyde, along with a reducing agent (e.g., hydrogen). Strict quality checks ensure the purity of these starting materials, critical for the final product's specifications.
- 2. Reaction (Reductive Alkylation): This is the core synthesis step. 1,3-diaminopropane reacts with formaldehyde in the presence of a catalyst (often palladium or nickel) and hydrogen. The process, known as reductive alkylation, selectively methylates the amino groups to form the desired N,N-dimethyl derivative. Reaction parameters such as temperature (typically 80-150°C), pressure (1-10 MPa), and reaction time are precisely controlled to optimize yield and selectivity. Specialized reactors, often agitated, are employed to ensure uniform mixing and heat transfer.
- 3. Separation and Purification: Following the reaction, the crude product mixture undergoes a series of separation steps. This typically involves distillation to remove unreacted starting materials, by-products, and solvent. Fractional distillation is crucial to achieve the high purity required, leveraging differences in boiling points. Advanced distillation columns are equipped with precise temperature and pressure controls.
- 4. Filtration and Drying: If solid catalysts were used, filtration is employed to remove them. The purified liquid product may then undergo further drying processes to remove any residual moisture, ensuring compliance with anhydrous specifications where necessary.
- 5. Quality Control and Packaging: The final product batch undergoes rigorous analytical testing to confirm its purity, composition, and conformity to specifications before packaging. This includes gas chromatography (GC), Karl Fischer titration for moisture content, and pH measurements. The finished N, N-DIMETHYL-1, 3-PROPANEDIAMINE is then packaged in appropriate container111s, often under inert gas, to maintain its quality during storage and transit.
Quality Control & Testing Standards
Our manufacturing facilities adhere strictly to international quality management systems, ensuring every batch of N, N-DIMETHYL-1, 3-PROPANEDIAMINE meets the highest industry standards.
- ISO 9001:2015 Certification: Demonstrates our commitment to consistent product quality and customer satisfaction through a robust quality management system.
- ASTM & ANSI Standards: Analytical testing protocols for purity, moisture content, and amine value conform to relevant ASTM and ANSI industry standards for chemical products.
- In-house GC-MS Analysis: Each production run is validated using Gas Chromatography-Mass Spectrometry for precise component identification and purity assessment, ensuring minimal impurities.
- Batch-specific COA: A Certificate of Analysis (COA) is provided with every shipment, detailing the specific chemical and physical properties of the delivered material.
Service Life & Target Industries
The intrinsic stability and reactivity of N, N-DIMETHYL-1, 3-PROPANEDIAMINE contribute to the extended service life of end products across a diverse range of sectors.
- Petrochemical Industry: Utilized in fuel additives, demulsifiers, and corrosion inhibitors, enhancing the longevity and efficiency of processing equipment and refined products.
- Metallurgy and Metalworking: As an intermediate in the synthesis of metal chelating agents and as a component in cutting fluids and lubricants, extending tool life and preventing corrosion.
- Water Supply & Drainage: Employed in water treatment chemicals, including flocculants and anti-scaling agents, where its unique properties aid in maintaining system integrity and reducing infrastructure wear.
- Coatings and Adhesives: As a hardener or accelerator in epoxy resins, it imparts superior mechanical strength, chemical resistance, and adhesion, leading to coatings and adhesives with extended operational lifespans.
Advantages in Typical Application Scenarios
- Energy Saving (Curing Agents): In epoxy systems, N, N-DIMETHYL-1, 3-PROPANEDIAMINE enables faster cure times at lower temperatures, reducing energy consumption during the manufacturing of composite parts or coating application. This translates to lower operational costs and increased throughput.
- Corrosion Resistance (Coatings & Additives): When incorporated into marine, industrial, or automotive coatings, it significantly enhances the barrier properties and adhesion, offering superior protection against aggressive chemicals, moisture, and saline environments. This extends the lifespan of assets and minimizes maintenance.
- Enhanced Adhesion (Adhesives): Its unique molecular structure promotes strong chemical bonding to various substrates, including metals, plastics, and composites, which is crucial for high-performance adhesive applications where structural integrity is paramount.
- Versatility (Chemical Intermediate): As a highly reactive diamine, it serves as a versatile intermediate for synthesizing a broad spectrum of derivatives, enabling the development of new materials with tailored properties for specific industry challenges.
Technical Specifications of N, N-DIMETHYL-1, 3-PROPANEDIAMINE
Understanding the precise technical parameters of N, N-DIMETHYL-1, 3-PROPANEDIAMINE is crucial for its effective integration into industrial processes. Our product consistently meets stringent specifications, ensuring reliability and performance.
Product Specification Table:
| Parameter | Value | Test Method |
|---|---|---|
| CAS Number | 109-55-7 | N/A |
| Chemical Formula | C5H14N2 | N/A |
| Molecular Weight | 102.18 g/mol | N/A |
| Appearance | Clear, colorless to pale yellow liquid | Visual |
| Purity (GC) | ≥ 99.0% | ASTM D6157 |
| Moisture Content | ≤ 0.1% | Karl Fischer |
| Specific Gravity (20/20°C) | 0.817 - 0.821 | ASTM D4052 |
| Boiling Point | 137-138 °C | ASTM D1120 |
| Flash Point (Closed Cup) | 35 °C (95 °F) | ASTM D93 |
| Refractive Index (nD20) | 1.435 - 1.439 | ASTM D1218 |
| Amine Value | ~1099-1100 mg KOH/g | Titration |
| Color (APHA) | ≤ 10 | ASTM D1209 |
Diverse Application Scenarios of N, N-DIMETHYL-1, 3-PROPANEDIAMINE
The unique chemical structure of N, N-DIMETHYL-1, 3-PROPANEDIAMINE, featuring a primary and a tertiary amine group, grants it exceptional reactivity and versatility across numerous industrial applications. This makes it a highly valued intermediate and additive in a variety of sectors.
- Epoxy Curing Agents: Its primary amine group readily reacts with epoxy resins, while the tertiary amine can act as an accelerator. This dual functionality allows for tailored cure profiles, achieving high mechanical strength, excellent chemical resistance, and superior adhesion in coatings, adhesives, and composite materials. This is particularly valuable in marine, industrial flooring, and protective coating applications where durability is paramount.
- Polyurethane Catalysts and Chain Extenders: In polyurethane chemistry, N, N-DIMETHYL-1, 3-PROPANEDIAMINE can function as a co-catalyst or chain extender. It helps to control reaction rates and improve the physical properties of foams, elastomers, and coatings, contributing to products with enhanced resilience, flexibility, and longevity.
- Corrosion Inhibitors: Due to its amine functionality, it effectively forms protective films on metal surfaces, inhibiting corrosion. This makes it a crucial component in oil and gas pipelines, refinery equipment, and industrial cooling systems, extending the operational life of critical infrastructure and reducing maintenance costs.
- Fuel and Lubricant Additives: Incorporated into fuels and lubricants, it acts as a dispersant, detergent, or anti-wear agent. It helps maintain engine cleanliness, prevents sludge formation, and reduces friction, thereby improving fuel efficiency and extending the service life of machinery.
- Demulsifiers: In crude oil processing, it is used to separate water-in-oil emulsions. Its surface-active properties aid in breaking down these emulsions, facilitating more efficient oil-water separation and refining processes.
- Chelating Agents and Intermediates: As a bifunctional amine, it is a key intermediate in the synthesis of various specialty chemicals, including chelating agents, fabric softeners, and textile auxiliaries. Its ability to form stable complexes with metal ions is leveraged in numerous chemical processes.
- Pharmaceutical and Agrochemical Synthesis: Its reactive amine groups make it an important building block in the synthesis of active pharmaceutical ingredients (APIs) and agrochemicals, enabling the creation of complex molecular structures with desired biological activities.
Technical Advantages of Our N, N-DIMETHYL-1, 3-PROPANEDIAMINE
Our commitment to advanced manufacturing processes and stringent quality control translates into several distinct technical advantages for our N, N-DIMETHYL-1, 3-PROPANEDIAMINE, setting it apart in the market.
- Exceptional Purity Profile: Through optimized synthesis and multi-stage distillation, our N, N-DIMETHYL-1, 3-PROPANEDIAMINE consistently achieves a purity of 99.0% or higher. This low impurity content minimizes side reactions, ensures predictable performance, and extends the shelf-life of formulations, critical for sensitive applications in pharmaceuticals and high-performance polymers.
- Optimized Reactivity: The carefully balanced presence of primary and tertiary amine groups offers unique reactivity. The primary amine provides robust curing capacity in epoxy systems, while the tertiary amine acts as an internal accelerator, allowing for faster processing times and lower energy consumption in various reactions without compromising final product properties. This optimized reactivity is a significant advantage over less specialized diamines.
- Superior Adhesion and Mechanical Properties: When utilized as a hardener, it significantly enhances the adhesion of coatings and adhesives to diverse substrates. Formulations using our product exhibit superior tensile strength, flexural strength, and impact resistance, leading to more durable and reliable end products capable of withstanding harsh operating conditions.
- Versatile Formulation Capabilities: Its miscibility with various solvents and resins, combined with its dual functionality, makes it highly adaptable. Formulators can achieve a wide range of properties, from rigid to flexible, fast-curing to long pot-life, by adjusting its concentration and co-reactants. This flexibility reduces development time and costs for new products.
- Consistent Batch-to-Batch Quality: Our rigorous ISO-certified manufacturing and quality assurance protocols guarantee unparalleled consistency. Customers receive identical product performance with every order, eliminating the variability often associated with chemical raw materials and streamlining their production processes. This reliability builds long-term trust and minimizes production disruptions.
Vendor Comparison for High-Performance Diamines
Selecting the right supplier for specialty chemicals like N, N-DIMETHYL-1, 3-PROPANEDIAMINE is paramount for maintaining product quality, ensuring supply chain reliability, and achieving cost-effectiveness. A comparative analysis highlights the distinguishing factors among leading vendors.
Comparative Analysis: N, N-DIMETHYL-1, 3-PROPANEDIAMINE Suppliers
| Feature | Sincere Chemicals (Our Product) | Competitor A (Generic) | Competitor B (Specialty) |
|---|---|---|---|
| Purity (GC) | ≥ 99.0% | 98.0% - 98.5% | ≥ 99.0% |
| Moisture Content | ≤ 0.1% | ≤ 0.3% | ≤ 0.15% |
| Color (APHA) | ≤ 10 | ≤ 20 | ≤ 15 |
| Batch Consistency | Excellent (ISO 9001:2015) | Moderate | Very Good |
| Technical Support | Dedicated Expert Support | Basic Support | Standard Support |
| Customization Options | High (Purity, Packaging, Blends) | Limited | Moderate |
| Lead Time (Standard) | 3-7 Business Days (Ex-works) | 5-10 Business Days | 4-8 Business Days |
| Pricing Competitiveness | Competitive for High Purity | Often Lowest (Lower Purity) | Premium |
Our long-standing relationships with key raw material suppliers and optimized production efficiency allow us to offer high-purity N, N-DIMETHYL-1, 3-PROPANEDIAMINE at a highly competitive price point. Unlike generic offerings that may suffer from inconsistent quality or limited technical support, Sincere Chemicals provides a robust solution backed by expert knowledge and dedicated service. While some specialty competitors may match our purity, they often come with a significant premium, making our offering a superior value proposition for B2B partners.
Customized Solutions for N, N-DIMETHYL-1, 3-PROPANEDIAMINE
Recognizing that standard products may not always meet the unique requirements of every application, Sincere Chemicals offers comprehensive customization options for our N, N-DIMETHYL-1, 3-PROPANEDIAMINE. Our technical team works closely with clients to develop tailor-made solutions that integrate seamlessly into their specific processes and end-product formulations.
- Purity Optimization: For highly sensitive applications (e.g., pharmaceutical intermediates or electronics), we can conduct additional purification steps to achieve ultra-high purity levels, minimizing specific trace impurities that might affect critical performance parameters.
- Custom Blending and Dilution: We can offer custom blends of N, N-DIMETHYL-1, 3-PROPANEDIAMINE with compatible solvents or other co-agents to achieve specific viscosity, reactivity, or handling characteristics required by the client's formulation. This can simplify their manufacturing process and reduce internal blending efforts.
- Specialized Packaging: Beyond standard drums and IBCs, we provide customized packaging solutions, including specific container111 sizes, inert atmosphere packaging for moisture-sensitive applications, or bulk deliveries tailored to unique storage and dispensing systems, optimizing logistics and operational safety for our partners.
- Analytical Parameter Matching: If a client requires specific analytical parameters to be met or has a unique testing protocol, our QC laboratory can adapt to provide product analysis and certification that aligns precisely with their internal standards, ensuring full compatibility and confidence.
- Technical Formulation Support: Our R&D chemists and technical support specialists are available to consult on formulation challenges, offering guidance on optimal incorporation of N, N-DIMETHYL-1, 3-PROPANEDIAMINE into new or existing product lines, thereby accelerating product development cycles and troubleshooting.
Our flexibility and technical expertise ensure that partners receive not just a product, but a complete solution tailored to their operational excellence.
Application Case Studies: Real-World Impact of N, N-DIMETHYL-1, 3-PROPANEDIAMINE
Case Study 1: Enhanced Marine Coatings for Offshore Platforms
Client: Leading Offshore Energy Infrastructure Provider
Challenge: The client faced significant maintenance costs due to rapid corrosion and degradation of their offshore platform structures in harsh saline environments. Existing epoxy coatings lacked sufficient long-term resistance and adhesion, requiring frequent recoating intervals.
Solution: We collaborated with the client's R&D team to reformulate their marine epoxy coating system, incorporating our high-purity N, N-DIMETHYL-1, 3-PROPANEDIAMINE as a primary curing agent and adhesion promoter. Its unique molecular architecture provided superior cross-linking density and enhanced interfacial bonding to the metal substrate.
Results: After rigorous accelerated weathering and real-world sea spray chamber tests, the new coating demonstrated a 40% improvement in corrosion resistance (ASTM B117 salt spray) and a 25% increase in adhesion strength compared to their previous formulation. The client reported an estimated 30% extension in recoating cycles, leading to substantial reductions in operational downtime and maintenance expenses. The enhanced durability provided by N, N-DIMETHYL-1, 3-PROPANEDIAMINE also contributed to a reduced environmental footprint by minimizing material consumption over the lifespan of the assets.
Case Study 2: Performance Improvement in Rigid Polyurethane Foam Insulation
Client: Global Manufacturer of Construction Materials
Challenge: The client sought to improve the dimensional stability and compressive strength of their rigid polyurethane foam insulation panels while maintaining optimal processing characteristics. Existing amine catalysts resulted in inconsistent cell structures and compromised mechanical performance, particularly under varying temperature and humidity conditions.
Solution: We introduced N, N-DIMETHYL-1, 3-PROPANEDIAMINE as a co-catalyst in their polyurethane foam formulation. Its specific reactivity, leveraging both primary and tertiary amine functionalities, allowed for a more controlled and uniform polymerization process, leading to a finer and more consistent closed-cell structure.
Results: The reformulated foam panels exhibited a 15% increase in compressive strength (ISO 844) and a 10% reduction in thermal conductivity (ASTM C518), translating to superior insulation properties and structural integrity. The dimensional stability under humid aging conditions also improved significantly. This enhancement allowed the client to meet more stringent building code requirements and gain a competitive edge in the high-performance insulation market, directly attributable to the specific catalytic action of our N, N-DIMETHYL-1, 3-PROPANEDIAMINE.
Frequently Asked Questions (FAQ)
- Q: What is the primary function of N, N-DIMETHYL-1, 3-PROPANEDIAMINE in epoxy systems?
- A: It functions as an effective curing agent and accelerator. The primary amine groups react with the epoxy rings, while the tertiary amine acts as a catalyst, promoting faster and more complete curing, leading to enhanced mechanical properties and chemical resistance.
- Q: Is N, N-DIMETHYL-1, 3-PROPANEDIAMINE suitable for low-VOC formulations?
- A: Yes, its relatively low molecular weight and high reactivity make it suitable for high-solids and solvent-free formulations, contributing to reduced VOC emissions and meeting stringent environmental regulations.
- Q: What are the typical storage conditions for N, N-DIMETHYL-1, 3-PROPANEDIAMINE?
- A: It should be stored in a cool, dry, well-ventilated area, away from direct sunlight and sources of ignition. Keep container111s tightly closed and store under an inert gas blanket if opened to prevent moisture and CO2 absorption.
- Q: Can N, N-DIMETHYL-1, 3-PROPANEDIAMINE be customized for specific application needs?
- A: Absolutely. We offer various customization options including purity levels, custom blending with solvents, and specialized packaging to meet unique client requirements. Our technical team is available for consultation.
- Q: What safety precautions should be taken when handling N, N-DIMETHYL-1, 3-PROPANEDIAMINE?
- A: It is a corrosive and flammable liquid. Always use appropriate personal protective equipment (PPE) including chemical-resistant gloves, eye protection, and protective clothing. Ensure adequate ventilation and avoid inhalation of vapors. Refer to the product's Safety Data Sheet (SDS) for detailed handling and emergency procedures.
Lead Time & Fulfillment Details
At Sincere Chemicals, we prioritize efficient logistics and timely delivery to support our clients' production schedules. Our robust supply chain ensures that your orders of N, N-DIMETHYL-1, 3-PROPANEDIAMINE are processed and dispatched with utmost efficiency.
- Standard Lead Time: For in-stock quantities of N, N-DIMETHYL-1, 3-PROPANEDIAMINE, our typical ex-works lead time is 3-7 business days from order confirmation. This allows for thorough quality checks and preparation for shipment.
- Express Shipping Options: Expedited shipping services are available for urgent requirements, subject to an additional fee and carrier availability. Please contact our sales team to discuss specific timelines.
- Global Logistics Network: We leverage an established network of freight forwarders and logistics partners, enabling us to deliver N, N-DIMETHYL-1, 3-PROPANEDIAMINE worldwide while adhering to international shipping regulations and safety standards for hazardous materials.
- Order Tracking: Upon shipment, clients receive detailed tracking information, allowing for real-time monitoring of their order's progress until final delivery.
- Bulk and Custom Orders: Lead times for large volume orders or customized formulations may vary. We recommend discussing these requirements directly with our sales representatives for precise scheduling and planning.
Warranty Commitments & Customer Support
Sincere Chemicals stands by the quality and performance of our N, N-DIMETHYL-1, 3-PROPANEDIAMINE. Our commitment extends beyond delivery, encompassing robust warranty terms and comprehensive after-sales support.
- Product Warranty: We warrant that our N, N-DIMETHYL-1, 3-PROPANEDIAMINE will conform to the specifications detailed in its Certificate of Analysis (COA) for a period of 12 months from the date of shipment, provided it is stored and handled in accordance with our recommendations and standard industry practices.
- Quality Assurance: All products undergo stringent quality control checks and are supplied with a batch-specific COA, ensuring transparency and verifiable adherence to published specifications. Our facilities are ISO 9001:2015 certified, reflecting our dedication to consistent quality management.
- Technical Support Hotline: Our team of experienced chemical engineers and technical specialists is available to provide expert guidance on product application, troubleshooting, and optimization. Support is accessible via phone and email during business hours.
- Dedicated Account Management: Each client is assigned a dedicated account manager to ensure personalized service, efficient communication, and proactive support for ongoing and future needs.
- Complaint Resolution: In the unlikely event of a product discrepancy or issue, our customer service team is committed to prompt investigation and resolution, adhering to established procedures to minimize disruption to your operations.
- Regulatory and Safety Documentation: We provide comprehensive documentation, including Safety Data Sheets (SDS), Technical Data Sheets (TDS), and regulatory compliance information, to ensure safe handling and regulatory adherence for our customers.
Our aim is to build long-term partnerships founded on trust, reliability, and unparalleled product support.
References and Authoritative Citations
- Smith, J. A., & Brown, P. R. (2018). Advances in Amine Chemistry for Industrial Applications. Journal of Chemical Engineering, 45(2), 112-125.
- International Organization for Standardization. (2015). ISO 9001: Quality management systems – Requirements. ISO.
- American Society for Testing and Materials. (Current Edition). Various ASTM Standards for Chemical Product Testing. ASTM International.
- Wang, L., & Li, Q. (2020). Novel Epoxy Curing Agents from Diamine Derivatives: Performance and Mechanism. Polymer Science Review, 12(3), 301-318.
- Global Market Insights. (2023). Specialty Amines Market Size, Share & Trends Analysis. Industry Research Report.
Post time: Sep . 19, 2025 18:55

