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Cocamide MEA
Cocamide MEA, or cocamide monoethanolamine, is a solid, off-white to tan compound, often sold in flaked form. The solid melts to yield a pale yellow viscous clear liquid. It is a mixture of fatty acid amides which is produced from the fatty acids in coconut oil when reacted with ethanolamine. Uses Cocamide MEA and other cocamide ethanolamines such as cocamide DEA are used as foaming agents and nonionic surfactants in shampoos and bath products, and as emulsifying agents in cosmetics Cosmetics are substances that are intended for application to the body for cleansing, beautifying, promoting attractiveness, or altering appearance. They are mixtures of chemical compounds derived from either Natural product, natural source .... See also * Cocamide References {{reflist Non-ionic surfactants Cosmetics chemicals Fatty acid amides ...
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Fatty Acid Amide
Fatty acid amides (FAAs) are amides formed from a fatty acid and an amine. In nature, many FAAs have ethanolamine as the amine component. Also known as ''N''-acylethanolamines, they contain the functionality RC(O)N(H)CH2CH2OH. A well known example is anandamide. Other fatty acid amides are fatty acid primary amides (FAPAs). They contain the functionality RC(O)NH2). Oleamide is an example of this class of FAPAs. Natural occurrences FAAs play a role in intracellular signalling. The signalling is controlled in part by fatty acid amide hydrolases, which convert the amide to the parent fatty acid. One example of signaling is induced by the binding of anandamide to the cannabinoid receptors. Aliphatic amides can be found in ''Zanthoxylum'' species found in Nigeria.The Nigerian Zanthoxylum; Chemical and biological values. S. K. Adesina, Afr. J. Trad. CAM, 2005, volume 2, issue 3, pages 282-301article See also * Fatty acid ester Fatty acid esters (FAEs) are a type of ester that ...
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Fatty Acids
In chemistry, in particular in biochemistry, a fatty acid is a carboxylic acid with an aliphatic chain, which is either saturated or unsaturated. Most naturally occurring fatty acids have an unbranched chain of an even number of carbon atoms, from 4 to 28. Fatty acids are a major component of the lipids (up to 70% by weight) in some species such as microalgae but in some other organisms are not found in their standalone form, but instead exist as three main classes of esters: triglycerides, phospholipids, and cholesteryl esters. In any of these forms, fatty acids are both important dietary sources of fuel for animals and important structural components for cells. History The concept of fatty acid (''acide gras'') was introduced in 1813 by Michel Eugène Chevreul, though he initially used some variant terms: ''graisse acide'' and ''acide huileux'' ("acid fat" and "oily acid"). Types of fatty acids Fatty acids are classified in many ways: by length, by saturation vs unsat ...
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Coconut Oil
Coconut oil (or coconut fat) is an edible oil derived from the kernels, meat, and milk of the coconut palm fruit. Coconut oil is a white solid fat below around , and a clear thin liquid oil at higher temperatures. Unrefined varieties have a distinct coconut aroma. Coconut oil is used as a food oil, and in industrial applications for cosmetics and detergent production. The oil is rich in medium-chain fatty acids. Due to its high levels of saturated fat, numerous health authorities recommend limiting its consumption as a food. Coconut oil is widely used for cooking and baking due to its high smoke point and distinct flavor. Manufacturing Coconut oil can be extracted through a wet or dry process. More simply (but perhaps less effectively), oil can be produced by heating the meat via boiling water, the sun or a slow fire. Wet process thumb , Traditional () extraction directly from the milk in the latik">Philippines. The process also produces ''latik'' (curds), used as a G ...
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Ethanolamine
Ethanolamine (2-aminoethanol, monoethanolamine, ETA, or MEA) is a naturally occurring organic chemical compound with the formula or . The molecule is bifunctional, containing both a primary amine and a primary alcohol. Ethanolamine is a colorless, viscous liquid with an odor reminiscent of ammonia. Ethanolamine is commonly called monoethanolamine or MEA in order to be distinguished from diethanolamine (DEA) and triethanolamine (TEOA). The ethanolamines comprise a group of amino alcohols. A class of antihistamines is identified as ethanolamines, which includes carbinoxamine, clemastine, dimenhydrinate, chlorphenoxamine, diphenhydramine and doxylamine. History Ethanolamines, or in particular, their salts, were discovered by Charles Adolphe Wurtz in 1860 by heating 2-chloroethanol with ammonia solution while studying derivatives of ethylene oxide he discovered a year earlier. He wasn't able to separate the salts or isolate any free bases. In 1897 Ludwig Knorr deve ...
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Cocamide DEA
Cocamide DEA, or cocamide diethanolamine, is a diethanolamide made by reacting the mixture of fatty acids from coconut oils with diethanolamine. It is a viscous liquid and is used as a foaming agent in bath products like shampoos and hand soaps, and in cosmetics as an emulsifying agent. See cocamide for the discussion of the lengths of carbon chains in the molecules in the mixture. The chemical formula of individual components is CH3(CH2)''n''C(=O)N(CH2CH2OH)2, where ''n'' typically ranges from 8 to 18. Safety The International Agency for Research on Cancer (IARC) lists coconut oil diethanolamine condensate (cocamide DEA) as an IARC Group 2B carcinogen, which identifies this chemical as possibly carcinogenic to humans. The listing is based on a dermal animal bioassay. In June 2012, the California Office of Environmental Health Hazard Assessment added cocamide DEA to the California Proposition 65 (1986) list of chemicals known to cause cancer. Cocamide DEA has a high irritation p ...
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Foaming Agent
A foaming agent is a material such as a surfactant or a blowing agent that facilitates the formation of foam. A surfactant, when present in small amounts, reduces surface tension of a liquid (reduces the work needed to create the foam) or increases its colloidal stability by inhibiting coalescence of bubbles. A blowing agent is a gas that forms the gaseous part of the foam. Surfactants Sodium laureth sulfate, or sodium lauryl ether sulfate (SLES), is a detergent and surfactant found in many personal care products (soaps, shampoos, toothpastes, etc.). It is an inexpensive and effective foamer. Sodium lauryl sulfate (also known as sodium dodecyl sulfate or SDS) and ammonium lauryl sulfate (ALS) are commonly used alternatives to SLES in consumer products.Sodium Laureth Sulfate POE(2). Chemical Land 21, Seoul, KoreaProduct Identification/ref> Co-surfactants Surfactants which are less effective at foam production, may have additional co-surfactants added to increase foaming. ...
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Surfactant
Surfactants are chemical compounds that decrease the surface tension or interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid. The word ''surfactant'' is a Blend word, blend of "surface-active agent", coined in 1950. As they consist of a water-repellent and a water-attracting part, they enable water and oil to mix; they can form foam and facilitate the detachment of dirt. Surfactants are among the most widespread and commercially important chemicals. Private households as well as many industries use them in large quantities as detergent, detergents and cleaning agents, but also for example as emulsion#Emulsifiers, emulsifiers, wetting agents, foaming agents, Antistatic agent, antistatic additives, or dispersants. Surfactants occur naturally in traditional plant-based detergents, e.g. Aesculus, horse chestnuts or Sapindus, soap nuts; they can also be found in the secretions of some caterpillars. Today one of the most commonly used anionic surfa ...
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Shampoo
Shampoo () is a hair care product, typically in the form of a viscous liquid, that is formulated to be used for cleaning (scalp) hair. Less commonly, it is available in solid bar format. (" Dry shampoo" is a separate product.) Shampoo is used by applying it to wet hair, massaging the product in the hair, roots and scalp, and then rinsing it out. Some users may follow a shampooing with the use of hair conditioner. Shampoo is typically used to remove the unwanted build-up of sebum (natural oils) in the hair without stripping out so much as to make hair unmanageable. Shampoo is generally made by combining a surfactant, most often sodium lauryl sulfate or sodium laureth sulfate, with a co-surfactant, most often cocamidopropyl betaine in water. The sulfate ingredient acts as a surfactant, trapping oils and other contaminants, similarly to soap. Shampoos are marketed to people with hair. There are also shampoos intended for animals that may contain insecticides or other medica ...
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Emulsion
An emulsion is a mixture of two or more liquids that are normally Miscibility, immiscible (unmixable or unblendable) owing to liquid-liquid phase separation. Emulsions are part of a more general class of two-phase systems of matter called colloids. Although the terms ''colloid'' and ''emulsion'' are sometimes used interchangeably, ''emulsion'' should be used when both phases, dispersed and continuous, are liquids. In an emulsion, one liquid (the dispersed phase (matter), phase) is dispersion (chemistry), dispersed in the other (the continuous phase). Examples of emulsions include vinaigrettes, homogenized milk, liquid biomolecular condensates, and some cutting fluids for metal working. Two liquids can form different types of emulsions. As an example, oil and water can form, first, an oil-in-water emulsion, in which the oil is the dispersed phase, and water is the continuous phase. Second, they can form a water-in-oil emulsion, in which water is the dispersed phase and oil is the ...
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Cosmetics
Cosmetics are substances that are intended for application to the body for cleansing, beautifying, promoting attractiveness, or altering appearance. They are mixtures of chemical compounds derived from either Natural product, natural sources or created synthetically. Cosmetics have various purposes, including personal care, personal and skin care. They can also be used to conceal blemishes and enhance natural features (such as the eyebrows and eyelashes). Makeup can also add colour to a person's face, enhance a person's features or change the appearance of the face entirely to resemble a different person, creature, or object. People have used cosmetics for thousands of years for skin care and appearance enhancement. Visible cosmetics for both women and men have gone in and out of fashion over the centuries. Some early forms of cosmetics contained harmful ingredients such as lead that caused serious health problems and sometimes resulted in death. Modern commercial cosmetic ...
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Cocamide
Cocamide is a mixture of amides manufactured from the fatty acids obtained from coconut oil. As coconut oil contains about 50% of lauric acid, in formulas only the 12-carbon chains tend to be considered. Therefore the formula of cocamide can be written as , though the number of carbon atoms in the chains varies (it is always even). Cocamide is the structural basis of many surfactants. Common are ethanolamines (cocamide MEA, cocamide DEA), betaine compounds (cocamidopropyl betaine), and hydroxysultaines (cocamidopropyl hydroxysultaine Cocamidopropyl hydroxysultaine (CAHS) is a synthetic amphoteric surfactant from the hydroxysultaine group. It is found in personal care products (soaps, shampoos, lotions etc.). It has uses as a foam booster, viscosity builder, and an antistatic ...). References {{Reflist Fatty acid amides ...
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Non-ionic Surfactants
An ion () is an atom or molecule with a net electrical charge. The charge of an electron is considered to be negative by convention and this charge is equal and opposite to the charge of a proton, which is considered to be positive by convention. The net charge of an ion is not zero because its total number of electrons is unequal to its total number of protons. A cation is a positively charged ion with fewer electrons than protons (e.g. K+ (potassium ion)) while an anion is a negatively charged ion with more electrons than protons (e.g. Cl− (chloride ion) and OH− (hydroxide ion)). Opposite electric charges are pulled towards one another by electrostatic force, so cations and anions attract each other and readily form ionic compounds. Ions consisting of only a single atom are termed ''monatomic ions'', ''atomic ions'' or ''simple ions'', while ions consisting of two or more atoms are termed polyatomic ions or ''molecular ions''. If only a + or − is present, it indicate ...
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