(CAS No. 1843–03–4) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2020 . 130. Polymer additives Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.31 2,2'-Methylenebis[4-ethyl-6-(2-methyl-2-propanyl)phenol] (CAS No. 88–24–4) (provided for in subheading 2907.29.90) Free No change No change On or before 12/31/2020 . 131. Ortho nitro phenol Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.32 2-Nitrophenol (o-nitrophenol) (CAS No. 88–75–5) (provided for in subheading 2908.99.25) Free No change No change On or before 12/31/2020 . 132. 3-Trifluoromethyl-4-nitrophenol Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.33 3-Trifluoromethyl-4-nitrophenol (CAS No. 88–30–2) (provided for in subheading 2908.99.80) Free No change No change On or before 12/31/2020 . 133. NKTR-118 (PEG)7 mesylate Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.34 2,5,8,11,14,17,20-Heptaoxadocosan-22-ol methanesulfonate (CAS No. 477775–57–8) (provided for in subheading 2909.19.60). Free No change No change On or before 12/31/2020 . 134. Oxyfluorfen Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.35 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) ​ 2.1% No change No change On or before 12/31/2020 . 135. Nitrated aromatic ether or OPNA Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: 9902.02.36 1-Methoxy-2,4-dinitrobenzene (2,4-Dinitroanisole) (CAS No. 119–27–7) (provided for in subheading 2909.30.60) Free No change No change On or before 12/31/2020 . 136. Allyl pentaerythritol Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: