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ChemicalBook CAS DataBase List Betaine hydrochloride
590-46-5

Betaine hydrochloride synthesis

6synthesis methods
-

Yield:590-46-5 98.6%

Reaction Conditions:

with water at 100; for 5 h;Molecular sieve;Temperature;Reagent/catalyst;

Steps:

5 Example 5

To the reaction flask, 335 g (2 mol) of betaine methyl ester hydrochloride was added, and 350 g of water and 5 g (1.5%) of self-developed Ti-SiO2-Al2O3 molecular sieve catalyst were added, and the mixture washeated to 100 °C for 5 h. Then, the mixture was filtered under suction and dried to give 302.9 g (yield: 1.97 mol) of the product of betaine hydrochloride. The product yield was 98.6%, and the residue of the product was 0.09%.

References:

CN108863825,2018,A Location in patent:Paragraph 0023; 0030; 0031; 0033; 0035; 0037

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