mono ethanol amine
printmono ethanol amine is an organic chemical compound with the formula HOCH2CH2NH2 or (C2H7NO). This molecule has two amine and alcohol parts, i.e. it contains both a primary amine and a primary alcohol. Ethanolamine is a viscous and colorless liquid, and its smell is reminiscent of ammonia.
What is mono ethanol amine?
Amino alcohol has been produced industrially since 1930. However, their large-scale production began only after 1945, when the older chlorohydrin process was replaced by ethylene oxide and propylene oxide olefination processes. In industry, amino alcohols are usually defined as alkanol amines. Ethanol amines (aminoethanols) and propanolamines (aminopropanols) are important compounds of this group. Both mentioned materials are widely used in the production of surfactant powders in gas purification.
Properties of mono ethanol amine
Physical properties
It is a viscous, colorless, transparent, water absorbent material at room temperature. Mono ethanol amine absorbs water and carbon dioxide from the air and is miscible with water and alcohols in any proportion. Its freezing point can be significantly reduced by adding water to it.
chemical properties
Due to the presence of amine group and hydroxyl group, this substance has the chemical properties of amine and alcohol at the same time. This material reacts with acids to form salt, and the hydroxyl group forms an ester. When mono ethanol amine reacts with organic acids, salt formation is preferred over ester formation in the reaction. In the reaction with weak mineral acids, such as H2S and carbonic acid, salts are formed in aqueous solution, which are thermally unstable. This reaction of ethanolamine is the basic characteristic that makes it useful in the purification of acid gases, refinery gas and synthesis gas.
In the catalytic reaction of sulfuric acid with mono ethanol amine, a significant amount of this substance is converted into ethyleneimine (azidrine).
In the reaction of this substance with acids or acid
Amide chlorides are formed.
In the mentioned reaction, first MEA reacts with acid and then amide is formed by heating.
The hydroxyl group in ethanolamine can be replaced by chlorine during the reaction with thionyl chloride or phosphorus pentachloride. Chloroethylamine is considered a dangerous compound because it causes toxic effects in contact with the skin.
Mono ethanolamine in power plants:
In power plants, mono ethanolamine is
widely used. Among the power plants that use mono ethanolamine, we can mention nuclear power plants. In all power plants, water is
present in the cycle. Mono ethanolamine is
used to alkalize the water in the cycle. Equipment and metals are protected against corrosion when the water is alkalized in the cycle.
The advantage of using mono ethanolamine:
The use of mono ethanol amine has many advantages. Among the advantages of mono ethanolamine, we can mention the biodegradability of this product. Therefore
Also, mono ethanolamine has
a low toxicity, so it is
not included in the aquatic food chain. In this regard, several studies and experiments have been
conducted on fish, which show that mono ethanolamine is biodegradable. In fact, the presence of this chemical is safe for aquatic animals.
Another advantage of using mono ethanolamine is the very good reactivity of the substance. Due to this property, mono ethanolamine is
used to perform various reactions.
Physical and chemical properties of mono ethanolamine
This product is viscous and dissolves in methyl alcohol, glycerin and acetone. Therefore
Mono ethanolamine is corrosive to metals such as copper, bronze, brass, iron, aluminum and zinc.
Water, benzene, ether and carbon tetrachloride can be
used as solvents. Therefore
This product absorbs moisture and reacts with carbon dioxide in the air. The desired substance is
decomposed by light and then oxidized by air and turns yellow or brown. Therefore
High viscosity
Mono ethanolamine Safety Notes (MSDS)
This substance is corrosive to the skin and long-term contact with it is harmful to the kidney and liver. Therefore
Swallowing and vapors of this substance causes damage to the respiratory system, stomach, mouth and esophagus and also causes problems such as: nausea, vomiting, diarrhea, dizziness, thirst, shock-like state, drop in blood pressure, slow pulse rate, anesthesia, coma. , weakness and fainting. Therefore
This compound can create an explosive mixture with air at a temperature higher than 85 °C. Therefore
Consider all safety aspects when working with these materials.
Dangers of mono ethanolamine
When this material is
spilled on the ground, it should be
placed in a sewer or in an enclosed space, you can use sand, soil or other materials to bury this material.
Storage conditions of mono ethanolamine
Avoid the creation of vapors of this substance, its dispersion in the work environment and contact with contaminated equipment. Therefore
Keep these products in a dry and cool environment. Therefore
Before transporting containers containing this substance, make sure that it is not leaking. Therefore
When transporting, use special vehicles to move these materials. Therefore
The storage area should be
cleaned of flammable materials such as worn cloth and cardboard and should be resistant to corrosive materials. Therefore
Application of mono ethanolamine in industry
Gas purification (in gas systems with carbon dioxide, it is effective as a selective absorbent in the production of ammonia, liquid carbon dioxide and dry ice)
Metal fluids (neutralization of acidic components in lubricants and prevention of rusting of metals)
Neutralizing agent for emulsifiers
Detergent products, liquid soaps, shampoos, etc
Agriculture (herbicides, insecticides and agricultural pests)
Personal care products
Sulfur pollutants in the refinery
Polishing and catalyst for polyurethane resins
Corrosion inhibitors
Lubricating oils
Printing ink and ink preparation
Preserver of all types of wood
pH and acidity control
Dyeing industries
Surfactant
textile
shiny
Pharmacology
leather industry
Cement production
Drilling and cutting
Dehumidifiers
Polymerization agents
Emulsion colors
Rust prevention
Advantage of mono ethanolamine
Biodegradable
The toxic property of this substance is negligible for aquatic organisms.
High reactivity
Oskar Trading Company is a supplier of the following products:
Oil products:
LPG
sulfur
oil
Petrochemical:
Methanol
urea
nitric acid
Monoathanolamin
company Services:
Export
Importation
brokerage
transit
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