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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General 2-Nitrophenol (o-nitrophenol) (CAS No. 88-75-5) (provided for in subheading 2908.99.25).......................................................... 1/ 9902.02.32 On or before 12/31/2020 No change No change Free 1/ 3-Trifluoromethyl-4-nitrophenol (CAS No. 88-30-2) (provided for in subheading 2908.99.80).................................................... 1/ 9902.02.33 On or before 12/31/2020 No change No change Free 1/ 2,5,8,11,14,17,20-Heptaoxadocosan-22-ol methanesulfonate (CAS No. 477775-57-8) (provided for in subheading 2909.19.60)................................................................................... 1/ 9902.02.34 On or before 12/31/2020 No change No change Free 1/ 2-Chloro-α,α,α-trifluoro-p-tolyl-3-ethoxy-4-nitrophenyl ether (Oxyfluorfen) (CAS No. 42874-03-3) (provided for in subheading 2909.30.30).............................................................. 1/ 9902.02.35 On or before 12/31/2020 No change No change 0.8% 1/ 1-Methoxy-2,4-dinitrobenzene (2,4-Dinitroanisole) (CAS No. 119-27-7) (provided for in subheading 2909.30.60)................ 1/ 9902.02.36 On or before 12/31/2020 No change No change Free 1/ 2-(Hydroxymethyl)-2-(prop-2-enoxymethyl) propane-1,3-diol (CAS No. 91648-24-7) (provided for in subheading 2909.49.60)................................................................................... 1/ 9902.02.37 On or before 12/31/2020 No change No change Free 1/ t-Butyl cumyl peroxide ({2-[(2-methyl-2-propanyl)peroxy]-2-propanyl}benzene) (CAS No. 3457-61-2) (provided for in subheading 2909.60.10)....... 1/ 9902.02.38 On or before 12/31/2020 No change No change Free 1/ Bis(α,α-dimethylbenzyl) peroxide (dicumyl peroxide) (CAS No. 80-43-3) (provided for in subheading 2909.60.20)................... 1/ 9902.02.39 On or before 12/31/2020 No change No change Free 1/ 2-Phenyl-2-propanyl hydroperoxide (cumene hydroperoxide) (CAS No. 80-15-9) (provided for in subheading 2909.60.20).. 1/ 9902.02.40 On or before 12/31/2020 No change No change Free 1/ 2,5-Dimethyl-2,5-bis[(2-methyl-2-propanyl)peroxy]hexane (CAS No. 78-63-7) (provided for in HTS subheading 2909.60.50)................................................................................... 1/ 9902.02.41 On or before 12/31/2020 No change No change Free 1/ (2S)-2-[(Allyloxy)methyl]oxirane (CAS No. 106-92-3) (provided for in subheading 2910.90.91).................................................... 1/ 9902.02.42 On or before 12/31/2020 No change No change Free 1/ 2-Bromo-1,1-dimethoxyethane (CAS No. 7252-83-7) (provided for in subheading 2911.00.50).................................................... 1/ 9902.02.43 On or before 12/31/2020 No change No change Free 1/ 3,7-Dimethylocta-2,6-dienal (citral) (CAS No. 5392-40-5) (provided for in subheading 2912.19.10)................................... 1/ 9902.02.44 On or before 12/31/2020 No change No change Free 1/ Glyoxal (CAS No. 107-22-2) (provided for in subheading 2912.19.30)................................................................................... 1/ 9902.02.45 On or before 12/31/2020 No change No change 0.2% 1/ 4-Propylbenzaldehyde (CAS No. 28785-06-0) (provided for in subheading 2912.29.60).......................................................... 1/ 9902.02.46 On or before 12/31/2020 No change No change 2.8% 1/ 1/ See chapter 99 statistical note 1. Rates of Duty 1 Harmonized Tariff Schedule of the United States Revision 15 (2026) Annotated for Statistical Reporting Purposes XXII 99 - II - 11 Note:The shaded areas indicate the provision has expired