99 is amended by inserting in numerical sequence the following new heading: 9902.19.52 Naphthalene-1,6-diol (CAS No. 575–44–0) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2025 . 11053. Antioxidant for plastics and rubber Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.19.53 Antioxidant 330 (4-[[3,5-Bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol) (CAS No. 1709–70–2) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2025 . 11054. Toluhydroquinone (THQ) Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.19.54 2-Methylbenzene-1,4-diol (CAS No. 95–71–6) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2025 . 11055. 1,1,1-Tris(4-hydroxyphenyl)ethane Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.19.55 4-[1,1-Bis(4-hydroxyphenyl)ethyl]phenol (CAS No. 27955–94–8) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2025 . 11056. mPEG6-mesylate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.19.56 Methanesulfonic acid