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Effective Period Rates of Duty Unit of Quantity Article Description Stat. Suf- fix Heading/ Subheading 2 1 Special General 1-Hydroxy-2-methylpentan-3-one (CAS No. 27970-79-2) (provided for in subheading 2914.40.90)................................... 1/ 9902.02.63 On or before 12/31/2020 No change No change 1.0% 1/ 2,4-Dihydroxybenzophenone (CAS No. 131-56-6) (provided for in subheading 2914.50.30).................................................... 1/ 9902.02.64 On or before 12/31/2020 No change No change Free 1/ 4-(4-Hydroxyphenyl)butan-2-one (raspberry ketone) (CAS No. 5471-51-2) (provided for in subheading 2914.50.30).............. 1/ 9902.02.65 On or before 12/31/2020 No change No change Free 1/ 4,4-Dimethoxy-2-butanone (CAS No. 5436-21-5) (provided for in subheading 2914.50.50).................................................... 1/ 9902.02.66 On or before 12/31/2020 No change No change Free 1/ 2-tert-Amylanthraquinone (2-(2-methyl-2-butanyl)-9,10-anthraquinone) (CAS No. 32588-54-8) (provided for in subheading 2914.69.10)............ 1/ 9902.02.67 On or before 12/31/2020 No change No change Free 1/ 1-Nitroanthraquinone (1-nitroanthracene-9,10-dione) (CAS No. 82-34-8) (provided for in subheading 2914.79.40)............ 1/ 9902.02.68 On or before 12/31/2020 No change No change Free 1/ 1-(4-Chlorophenyl)-4,4-dimethylpentan-3-one (Alkylketone) (CAS No. 66346-01-8) (provided for in subheading 2914.79.40)................................................................................... 1/ 9902.02.69 On or before 12/31/2020 No change No change 3.3% 1/ 1,5-Dichloro-9,10-anthraquinone (CAS No. 82-46-2) (provided for in subheading 2914.79.40).................................................... 1/ 9902.02.70 On or before 12/31/2020 No change No change Free 1/ (3E)-4-Ethoxy-1,1,1-trifluorobut-3-en-2-one (CAS No. 59938-06-6) (provided for in subheading 2914.79.90)............ 1/ 9902.02.71 On or before 12/31/2020 No change No change Free 1/ (3-Bromo-6-methoxy-2-methylphenyl)(2,3,4-trimethoxy-6- methylphenyl)methanone (Metrafenone) (CAS No. 220899-03-6) (provided for in subheading 2914.79.90).......... 1/ 9902.02.72 On or before 12/31/2020 No change No change Free 1/ cis-2-tert-Butylcyclohexyl acetate (Argumex) (CAS No. 20298-69-5) (provided for in subheading 2915.39.45)............ 1/ 9902.02.73 On or before 12/31/2020 No change No change Free 1/ Dichloroacetyl chloride (DCAC) (CAS No. 79-36-7) (provided for in subheading 2915.40.50).................................................... 1/ 9902.02.74 On or before 12/31/2020 No change No change Free 1/ Methyl 2-chloroacetate (CAS No. 96-34-4) (provided for in subheading 2915.40.50).............................................................. 1/ 9902.02.75 On or before 12/31/2020 No change No change Free 1/ Ethyl chloroacetate (CAS No. 105-39-5) (provided for in subheading 2915.40.50).............................................................. 1/ 9902.02.76 On or before 12/31/2020 No change No change Free 1/ Vinyl neodecanoate (vinyl 7,7-dimethyloctanoate) (CAS No. 51000-52-3) (provided for in subheading 2915.90.18)............ 1/ 9902.02.78 On or before 12/31/2020 No change No change Free 1/ Dilauroyl peroxide (CAS No. 105-74-8) (provided for in subheading 2915.90.50).............................................................. 1/ 9902.02.79 On or before 12/31/2020 No change No change Free 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 - 13 Note:The shaded areas indicate the provision has expired