Patent ID: 8034252

Claim:
A metal-polishing liquid comprising: a colloidal silica at least one portion of the silicon atoms on the surfaces of which is substituted by aluminum atoms; and a compound represented by the following Formula (I) or a compound represented by the following Formula (II): R 1 —OOC—(CH 2 ) m —COO—R 2 Formula (I) wherein in Formula (I), R 1 represents an alkyl group, an alkynyl group, an alkenyl group, an allyl group or an aryl group; R 2 represents a hydrogen atom, an alkyl group, an alkynyl group, an alkenyl group, an allyl group or an aryl group; and m represents an integer of from 0 to 6, and R 3 —O—(CH 2 CH 2 O) n —SO 3 H Formula (II) wherein in Formula (II), R 3 represents an alkyl group or an aryl group; and n represents an integer of from 1 to 30, and further wherein the compound represented by Formula (I) is at least one of dimethyl adipate or monomethyl adipate.