methylphenyl)methanone (Metrafenone) (CAS No. 220899–03–6) (provided for in subheading 2914.79.40) Free No change No change On or before 12/31/2025 . 11085. Hexachloroacetone Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.19.88 Hexachloroacetone