To provide a compound having high hydrophobic material-adsorbing ability, a crosslinked polymer particle formed by using the compound, and an adsorbent.

The compound has a constituent unit represented by general formulas (I) and/or (II) (wherein, A and B are each a direct bond or a divalent organic group; R1 is a 2-20C fluorinated alkyl; and R2 is a halogen atom).