MONOETHANOLAMINE, MEA, 99,5%, L

Monoethylethanolamine has a bifunctional molecule, containing both a primary amine and a primary alcohol. Ethanolamine is a colorless, viscous liquid that smells like ammonia. Its derivatives are widely distributed; e.g. lipids, as a precursor of various N-acylethanolamines (NAE).

In horticulture, gardening and agriculture, monoethanolamine is used as a component of micronutrient fertilizers, which increases the penetration of elements through the leaves, and influences a number of physiological processes in animals and plants, such as seed germination, plant-pathogen interactions, chloroplast development and flowering.

In industry, monoethanolamine for gas cleaning by scrubbers. As ethanolamine is a weak base it readily binds combustible carbon particles, carbon dioxide, sulfur dioxide, hydrogen sulfide, light thiols and other compounds. Ethanolamine is an indispensable absorbent in the cleaning or purification of any gas. On submarines, MEA is used to remove carbon dioxide from the air. MEA also ionizes acids by reducing their polarity, making hard-to-solve acids more soluble in water.

In cosmetics, monoethanolamine is used as a buffer and pH adjuster. It also acts as an emulsifier and/or as an excipient in the formulation of emulsions. Ethanolamine is also used in hair dyes to replace the more aggressive ammonia (ammonium hydroxide). This ingredient contributes to the fluffiness of the hair and at the same time increases the degradation rate of hydrogen peroxide. Typically, most cosmetic brands of hair products contain ethanolamine (monoethanolamine) in the formulation of ammonia-free dyes and chemicals. In these, it acts as a milder and less irritating alkaline ingredient.

In water improvement, ethanolamine is used in steam generators because, due to its bipolarity, it adjusts the pH of boiling water, thus reducing corrosive effects, but at the same time it does not accumulate in the steam, so that the steam produced is clean. In water purification, MEA is one of the key components in the purification of contaminated water, as the bipolar molecule successfully neutralizes both oxidizing agents, acids and alkalis.

In woodworking, monoethanolamine is one of the main components to impregnate wood and protect it from external influences. It is commonly found as a component in copper-quaternary ammonium or copper-azole antiseptic impregnants. Both types of impregnants are alternatives to arsenic impregnants.

In metalworking, monoethanolamine is commonly found in liquids and is used as an anticorrosive additive, surface degreaser, emulsifier and cleaning agent. 

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