4-Hydr-oxy-2,2,6,6-tetra-methyl-piperidinium trichloro-acetate

In the crystal structure of the title compound, C(9)H(20)NO(+)·Cl(3)CCOO(-), the cations and anions are connected via O-H⋯O, N-H⋯O, O-H⋯Cl and N-H⋯Cl hydrogen bonding. The six-membered ring adopts a chair conformation with the hydroxyl group in an equatorial position.