Product Introduction
Diethanolamine, also known as dihydroxyethylamine or 2,2'-iminodiethanol, is a white crystalline or colorless liquid with strong hygroscopic properties. It is easily soluble in water, methanol, ethanol, acetone, and benzene, with a solubility of 4.2 g/100g in benzene at 25°C and 0.8 g/100g in ether.
Product Properties
|
Product Name |
Diethanolamine(DEA) |
|
CAS No. |
111-42-2 |
|
Molecular Formula |
C4H11NO2 |
|
Structural formula |
|
|
Melting point |
28 ℃ |
|
Boiling point |
268.8 ℃ |
|
Water soluble |
easily soluble |
|
Density |
1.097 g/cm³ |
|
Flash point |
137.8 ° C |
|
Form |
viscous liquid or low melting point solid |
Product Index
|
Items |
Index |
Result |
|
Content % |
≥99 |
99.51 |
|
Water % |
≤0.1 |
0.09 |
|
Chromaticity/Hazen,(Pt-Co) |
≤15 |
10 |
|
Density (20℃)/(g/㎝ 3) |
1.090-1.095 |
1.094 |
Product Application
Diethanolamine (DEA) is widely used for the removal of hydrogen sulfide (H₂S) and carbon dioxide (CO₂) in natural gas processing and oil refineries. Its alkalinity enables it to capture acidic gases and purify natural gas and other industrial gases.
It is also used as an ingredient in surfactants to enhance the foaming and decontaminating properties of cleaning products.
Additionally, DEA serves as an intermediate in the production of other chemicals and as a synthetic raw material in the pharmaceutical industry. It can act as a dye auxiliary to improve dyeing effects and as a plasticizer or stabilizer for coatings and printing inks to enhance product performance. DEA and its derivatives are sometimes included in cosmetic formulations to regulate pH and improve the product's moisturizing properties.
Furthermore, DEA is used as a coolant and lubricant to reduce wear and enhance processing efficiency.
Product Package
Packaging:
Iron drum,plastic drum, Net Weight: 220 kg
IBC drum,Net weight: 900 kg/drum
Storage:
Store in a cool, well-ventilated warehouse. Keep away from sources of ignition and heat. Ensure that the packaging is sealed. It should be stored separately from oxidizing agents, acids, and other incompatible materials. Mixing with such substances should be avoided.
FAQ
Q: What is the preparation method for DEA?
A: DEA can be prepared through the reaction of ethanolamine with ethylene oxide, or by the hydrolysis of ethanol and ammonia under high temperature and pressure.
Q: Is DEA safe?
A: DEA is irritating and corrosive. Contact with the skin or inhalation of its vapors may cause discomfort. Appropriate personal protective equipment (PPE) should be worn when handling DEA, and good ventilation should be ensured.
Q: How should waste liquids containing DEA be treated?
A: Waste liquids containing DEA should be treated in accordance with local environmental regulations. Neutralization, dilution, or other appropriate treatments are typically required before disposal.
Q: Does diethanolamine have alternatives?
A: Depending on specific application requirements, DEA can be replaced by other amines, such as MEA (monoethanolamine) or MDEA (methyldiethanolamine). These alternatives may offer different performance characteristics, such as higher selectivity or lower energy consumption.
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