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Cocamidopropyl betaine is an example of a betaine. A betaine (/ ˈ b iː t ə. iː n, b ɪ ˈ t eɪ-,-ɪ n /) in chemistry is any neutral chemical compound with a positively charged cationic functional group that bears no hydrogen atom, such as a quaternary ammonium or phosphonium cation (generally: onium ions), and with a negatively charged functional group, such as a carboxylate group that ...
Trimethylglycine was the first betaine discovered; originally it was simply called betaine because it was discovered in sugar beets (Beta vulgaris subsp. vulgaris). [6] Several other betaines are now known.
Cocamidopropyl betaine is used as a foam booster in shampoos. [4] It is a medium-strength surfactant also used in bath products like hand soaps.It is also used in cosmetics as an emulsifying agent and thickener, and to reduce the irritation that purely ionic surfactants would cause.
Anhydrous solvents are commercially available from chemical suppliers, and are packaged in sealed containers to maintain dryness. [4] Typically anhydrous solvents will contain approximately 10 ppm of water and will increase in wetness if they are not properly stored. Organic solutions can be dried using a range of drying agents.
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The erythro betaine can be converted to the threo betaine using phenyllithium at low temperature. [18] This modification affords the E-alkene. The Schlosser variant of the Wittig reaction. Allylic alcohols can be prepared by reaction of the betaine ylide with a second aldehyde. [19] For example: An example of the Schlosser variant of the Wittig ...
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And despite claims online that Canada has banned red 40, the country does still permit its use. While nutrition experts wouldn't go as far as to actively promote consuming red 40, many argue that ...