Patent ID: 7857985

Claim:
A metal polishing liquid comprising an oxidizing agent and colloidal silica in which a part of a surface of the colloidal silica is covered with aluminum atoms; wherein the surface atom covering rate of the colloidal silica is from 0.1 to 10%, wherein the metal polishing liquid further comprises an amino acid represented by the following Formula (I): wherein, in the Formula (I), R 1 represents a single bond, an alkylene group, or a phenylene group; R 2 and R 3 each independently represent a hydrogen atom, a halogen atom, a carboxyl group, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, or an aryl group; R 4 represents a hydrogen atom, a halogen atom, a carboxyl group, an alkyl group, or an acyl group; R 5 represents an alkenyl group; and when R 5 represents —CH 2 —, R 1 is not a single bond or R 4 is not a hydrogen atom.