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2,2',2''-Nitrilotriethanol; Tris(2-hydroxyethyl)amine; Triethylolamine; 2,2′,2″-Trihydroxytriethylamine; Trolamine; TEA; TELA; TEOA; N(CH2CH2OH)3 2,2',2-nitrilotriéthanol,trihydroxytriéthylamine, No CAS 102-71-6, Description: Organic compound composed of a tri-alcohol & an amine. It is a weak base (pH 10-11), widely used to elevate the pH in cosmetic formulas. Chemical name: 2,2',2''-nitrilotriethanol. Colorless to light yellow, viscous liquid, or solid depending upon storage conditions. Slight ammonia odor. Soluble in water & oils. CAS: 102-71-6; INCI Name: Triethanolamine. Benefits: pH adjuster (increases pH); Stabilizes emulsions, fragrances and preservatives; Acts as foam stabilizer as it has detergent properties and stabilizes other surfactants; Improves efficacy of preservatives by stabilizing the pH value. Use: Typical use level 0.1-1% depending on product type & desired pH value. Note: Crystallizes upon room temperature. For external use only. Applications: For adjusting pH values & stabilizing all kinds of personal care & makeup products. Raw material source: Ammonia, ethylene oxide Manufacture: Triethanolamine is produced synthetically from the reaction of ethylene oxide with aqueous ammonia. Byproducts are ethanolamine and diethanolamine. La triéthanolamine est aussi connue sous le nom de trolamine, ou le nom systématique 2,2',2-nitrilotriéthanol. Sa formule brute est C6H15NO3. Il s'agit d'un composé chimique organique qui est une amine tertiaire et un trialcool. Comme d'autres amines, la triéthanolamine agit en tant que base faible due à la seule paire d'électrons sur l'atome d'azote. Triethanolamine is used primarily in making surfactants, such as for emulsifier. It is a common ingredient in formulations used for both industrial and consumer products. The triethanolamine neutralizes fatty acids, adjusts and buffers the pH, and solubilizes oils and other ingredients that are not completely soluble in water. Triethanolammonium salts in some cases are more soluble than salts of alkali metals that might be used otherwise, and results in less alkaline products than would from using alkali metal hydroxides to form the salt. Some common products in which triethanolamine is found are sunscreen lotions, liquid laundry detergents, dishwashing liquids, general cleaners, hand sanitizers, polishes, metalworking fluids, paints, shaving cream and printing inks. Cement production Triethanolamine is also used as organic additive (0.1 wt%) in the grinding of cement clinker. It facilitates the grinding process by preventing agglomeration and coating of the powder at the surface of balls and mill wall. Cosmetics and medicine Various ear diseases and infections are treated with eardrops containing triethanolamine polypeptide oleate-condensate, such as Cerumenex in the United States. In pharmaceutics, triethanolamine is the active ingredient of some eardrops used to treat impacted earwax. It also serves as a pH balancer in many different cosmetic products, ranging from cleansing creams and milks, skin lotions, eye gels, moisturizers, shampoos, shaving foams, and so on. TEOA is a fairly strong base: a 1% solution has a pH of approximately 10, whereas the pH of skin is less than pH 7, approximately 5.5−6.0. Cleansing milk–cream emulsions based on TEOA are particularly good at removing makeup.

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