Colorant for heat transfer fluid, and composition comprising same

An antifreeze composition, comprising:

• 0.001 to 10.000% by weight of a colorant having the structure of Chemical Formula 1 or 2;
• 30 to 70% by weight of a glycol compound;
• and 30 to 70% by weight of water:
• wherein,
• M is a metal or a metalloid,
• L is —(CH2)m-, —COO—, —CO—, -MH—, —SO2—, or —SO2NH—,
• X is a hydrophilic polymer, and
• R1 to R12 and Ra to Rp are each independently a hydrogen atom, a halogen atom, a, carboxy group, a sulfonic acid group, an amide group, an ester group, an acetyl group, a siloxane group, an alkyl group of C1 to C10, an alkylene group of C1 to C10, an alkoxy group of C1 to C10, an oxyalkylene group of C1 to C10, a fluoroalkyl group of C1 to C10, an arylalkyl group of C4 to C20, or a derivative thereof.