| abstract |
(57) [Summary] [Structure] A phosphobetaine represented by the following general formula (1). [Chemical 1] [In the formula, Z represents a residue obtained by removing m + n hydroxyl groups from pentose, R 1 , R 2 and R 3 may be the same or different, and a hydrogen atom or an alkyl group or alkenyl having 1 to 4 carbon atoms. Group, M 1 and M 2, which may be the same or different, each represents a hydrogen atom or a cationic group, m is 0 or more, and n is 1 or more. [Effect] It has excellent moisturizing properties and is inexpensive, and is useful as a blending component for shampoos, rinses, cosmetics and the like. |