Diethylamine (DEA), identified by **CAS Number 109-89-7**, is a secondary aliphatic amine characterized by a colorless liquid appearance and a pungent, ammonia-like odor. Chemically represented as $(C_2H_5)_2NH$, it is a highly flammable and volatile compound that serves as a fundamental building block in organic synthesis. It is produced industrially by the reaction of ethanol and ammonia, resulting in a mixture of ethylamines that are subsequently separated via distillation.
DEA is highly soluble in water and most organic solvents, making it a versatile reagent in various chemical environments. As a secondary amine, it exhibits strong nucleophilic properties and acts as a moderate base (pKa ≈ 11.0). Its utility spans across multiple sectors, including the production of rubber chemicals, pharmaceuticals, and agricultural formulations. However, due to its low flash point and corrosive nature, it requires stringent handling protocols, specialized storage, and adherence to safety regulations to prevent fire hazards and human exposure.
* Offers exceptional purity for demanding applications.
* Features very low water content, ideal for moisture-sensitive processes.
* Readily soluble in water, alcohol, and ether for broad compatibility.
* Serves as a crucial intermediate across pharmaceutical, agrochemical, and dye industries.
* Essential for the formulation of various rubber chemicals and polymers.
* Effective in preventing corrosion in diverse industrial systems.
* Functions as an efficient emulsifier and surface-active agent.
* Utilized for its catalytic activity and as a versatile solvent.
* Appearance: Clear, colourless liquid
* Purity (GC): 99.5% min
* Water Content: 0.1% max
* Specific Gravity @ 20°C: 0.704 – 0.706
* Refractive Index @ 20°C: 1.398 – 1.400
* Colour (APHA): 10 max
* Boiling Range (95%): 54 – 56°C
* Freezing Point: -49°C
* Molecular Weight: 73.14
* Flash Point (CC): -18°C
* **Chemical Synthesis:** Serves as a crucial intermediate in the production of pharmaceuticals, dyes, resins, and rubber chemicals.
* **Solvent Applications:** Utilized as a versatile solvent across various chemical reactions and industrial processes.
* **Corrosion Inhibition:** Employed as an effective corrosion inhibitor in water treatment and petroleum refining operations.
* **Rubber Processing:** Acts as a rubber accelerator, enhancing the vulcanization process and properties of rubber products.
* **Pesticide Manufacturing:** Used in the formulation and production of specific types of pesticides.
* **Laboratory Reagent:** Functions as a chemical reagent in organic synthesis and diverse laboratory applications.
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