Diethanolamine, or DEA, is a colorless liquid with an ammoniacal odor. It is a diol and a secondary amine, soluble in water, and even hygroscopic.


Diethanolamine, often abbreviated as DEA, is an organic compound with the chemical formula C₄H₁₁NO₂. It is used in various industrial and commercial applications due to its amphiphilic properties and ability to form salts with acids.

Properties and Characteristics:

  • Chemical Formula: Diethanolamine is represented by the chemical formula C₄H₁₁NO₂, indicating its molecular composition.
  • Amphiphilic Properties: DEA possesses amphiphilic properties, meaning it has both hydrophilic and lipophilic characteristics.


Chemical Industry:

  • Reagent: Used as a reagent in chemical synthesis and the production of various organic compounds.
  • Salt Formation: Due to its basic nature, DEA can react with acids to form salts, making it useful in certain chemical processes.

Cosmetic Industry:

  • Skincare Products: Employed in the manufacturing of cosmetic products, including creams and lotions, as an emulsifying or stabilizing agent.

Petroleum Industry:

  • Treatment: Used in the petroleum industry for treating acidic gases and as an additive in certain drilling fluids.

Safety and Precautions:

It is essential to handle diethanolamine with caution, as it can pose risks to health and the environment if misused or improperly spilled. Like all chemicals, it is recommended to follow appropriate safety guidelines when handling and storing DEA.

Data sheet

CAS Number
HS Code
2922 12 00
Chemical Formula

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