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Monoethanolamine (MEA) Pure Ethanolamine [ 2-Aminoethan-1-ol ]
![Monoethanolamine (MEA) Pure Ethanolamine [ 2-Aminoethan-1-ol ]](/userdata/public/gfx/15359/2024-10-23_23h42_12.png)
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 Pure Ethanolamine [ 2-Aminoethan-1-ol ] "Pin It")
Description
Monoethanolamine (MEA)
Other Names: 2-Aminoethanol, 2-Amino-1-ethanol, Ethanolamine, β-Aminoethanol, β-Hydroxyethylamine, β-Aminoethyl alcohol, Glycinol, Olamine, Ethylolamine, 2-Hydroxyethylamine, Colamine
CAS Number: 141-43-5
Sum Formula: C₂H₇NO
Molar Mass: 61.08 g/mol
Appearance: Colorless to pale yellow viscous liquid
Monoethanolamine is an organic chemical compound containing both amine and alcohol functional groups. It is a widely used intermediate and solvent in organic synthesis, gas treatment processes, surfactant formulations, and various technical applications requiring polar, reactive liquids.
Chemical and Physical Properties
Density: 1.018 g/cm³ (20 °C)
Melting Point: 10.3°C
Boiling Point: 170°C
Solubility in Water: Completely miscible
Solubility in Other Solvents: Soluble in ethanol, methanol, and acetone
Odor: Ammonia-like
Applications
Organic Synthesis: Used as a building block for surfactants, emulsifiers, corrosion inhibitors, and amides.
Gas Treatment: Applied in the removal of acidic gases like CO₂ and H₂S in natural gas and refinery processes.
Material Science: Incorporated into polymer formulations and specialty coatings.
Analytical Chemistry: Used as a reagent and solvent for chemical reactions requiring basic conditions.
Industrial Formulations: Employed in detergents, cement additives, and cutting fluids.
Safety
Signal Word: Danger
H302 (> 99.9%): Harmful if swallowed [Warning Acute toxicity, oral]
H312 (> 99.9%): Harmful in contact with skin [Warning Acute toxicity, dermal]
H314 (> 99.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H318 (13.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
H332 (99.7%): Harmful if inhaled [Warning Acute toxicity, inhalation]
H335 (15.9%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H412 (13.1%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
P260, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P362+P364, P363, P403+P233, P405, and P501
Storage Conditions: Store in a tightly closed container in a cool, dry, and well-ventilated area. Keep away from acids, oxidizers, and moisture.
Handling Precautions: Handle with proper PPE including gloves, goggles, and protective clothing. Avoid inhalation of vapors and prolonged exposure to skin.