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Specifications
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Appearance |
Colorless transparent liquid |
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Purity (GC) |
98% min |
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Boiling Point |
116–119 °C |
Transport Information
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Parameter |
Specification |
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UN Number |
2734 |
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Class |
8(3) |
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Packing Group |
II |
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H.S. Code |
2921290090304 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Tightly closed. Store in a closed, dry, ventilated place |
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Condition to Avoid |
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Package |
Manufacturing Information
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Parameter |
Specification |
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Capacity |
20MT/year |
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Frequency |
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Main Export Countries |
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Capacity/Batch |
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Experience |
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Stock |
N,N-Dimethylethylenediamine丨CAS 110-70-3 is a bifunctional aliphatic diamine with one primary and one tertiary amine group. Its structure allows it to act as a chelating agent, ligand, intermediate, and catalyst component. DMEDA finds significant applications in chemical synthesis, coordination chemistry, pharmaceutical production, and polymer manufacturing due to its reactivity and versatility.
Applications
1. Ligand in Transition Metal Catalysis
Acts as a bidentate ligand in copper-catalyzed and palladium-catalyzed cross-coupling reactions:
Ullmann-type C–N, C–O, and C–S bond formations
Sonogashira and Buchwald–Hartwig reactions
Enhances catalytic efficiency by stabilizing metal complexes and improving selectivity.
2. Organic Synthesis Intermediate
Used in the production of:
Pharmaceuticals
Agrochemicals
Corrosion inhibitors
Chelating agents
The presence of two amino groups allows for selective N-alkylation, acylation, and functional group transformations.
3. Polymer and Resin Chemistry
Incorporated into polyurethanes, epoxy hardeners, and curing agents.
Functions as a chain extender or crosslinker in polyamide and polyurea formulations.
4. Corrosion Inhibitors
N,N-Dimethylethylenediamine丨CAS 110-70-3 forms chelates with metal ions, creating protective films on metal surfaces.
Used in cooling water systems, boiler treatments, and metal processing fluids.
5. Surfactant and Cosmetic Intermediate
Acts as a functional amine in the synthesis of cationic surfactants, emulsifiers, and hair care ingredients.
Used to produce conditioning agents in personal care products.
Benefits
1. Versatile Reactivity
Dual amine groups (primary and tertiary) allow diverse chemical modifications.
Suitable for both nucleophilic substitution and complexation reactions.
2. Effective Ligand
Provides stable coordination with metal ions.
Improves reaction rates and selectivity in transition metal-catalyzed processes.
3. High Solubility
Fully miscible with water and many organic solvents, making it suitable for both aqueous and organic-phase reactions.
4. Low Molecular Weight and Volatility
Facilitates use in gas-phase or vapor-phase processes.
Useful in applications requiring low-viscosity additives or vapor-phase delivery systems.
Conclusion
N,N-Dimethylethylenediamine丨CAS 110-70-3 is a multifunctional diamine widely used in organic synthesis, metal-catalyzed reactions, polymer chemistry, and industrial formulations. Its dual amine structure offers a balance of reactivity and stability, making it valuable in both lab-scale and commercial-scale applications. As a ligand, intermediate, and functional additive, DMEDA continues to play a crucial role in modern synthetic and material chemistry.
