Diglycolamine
Diglycolamine, also known as DGA, is a versatile alkyl ethanolamine widely used across multiple industries for gas treatment, chemical synthesis, and formulation applications.
CAS # 929-06-6
Diglycolamine is a versatile, high-purity amino alcohol used extensively in gas treatment, chemical processing, and specialty formulations. Recognized for its excellent reactivity, high solubility, and strong affinity for acid gases. Diglycolamine is a preferred solution in both industrial and environmental applications.
The material’s unique balance of hydroxyl and amine functionality makes it effective in absorption processes, buffering systems, and chemical synthesis pathways. This clear, hygroscopic liquid combines the properties of both an amine and an alcohol, making it an exceptional multifunctional chemical intermediate.
General Properties
Chemical Formula: C₄H₁₁NO₂
Appearance: Clear to pale yellow liquid
Boiling Range: Approx. 220–230°C
Flash Point: 127°C (261°F) - closed cup
Applications
Acid Gas Treatment & Gas Sweetening
Widely used for removing H ₂S and CO₂ from natural gas, refinery gas, and synthesis gas. Diglycolamine is compatible with DGA based gas treatment processes common in refineries and petrochemical plants.
Chemical Intermediate
Serves as a building block in the production of surfactants, corrosion inhibitors, specialty amines, and resin/polymer modifiers.
Metalworking Fluids & Lubricant Additives
Used to adjust pH, enhance corrosion protection, and improve overall fluid performance.
Textile & Paper Processing
Acts as a pH stabilizer and functional additive in textile finishing, coatings, and paper chemical systems.
Water Treatment Formulations
Acts as a neutralizing agent and buffer in boiler, cooling, and industrial water conditioning products.
Cleaning & Detergent Formulations
Improves solubilization, alkalinity balance, and performance in industrial and institutional cleaners.
Advantages
High Acid Gas Capture Efficiency: DGA has a strong affinity for acidic components and supports high-throughput gas purification with consistent performance.
Excellent Solubility & Compatibility: Mixes readily with water and many solvents and is suitable for a wide variety of formulation environments.
Operational Stability: Thermal and chemical stability allows for dependable performance in harsh processing conditions
Cost-Effective Process Chemistry: High loading capacity and efficient regeneration help reduce operating costs in gas treatment systems
Safety and Handling Information
Diglycolamine should be stored in tightly closed containers in a cool, dry, well-ventilated area away from incompatible materials.