# United States tariff line 2933.19.04.00: Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone) > In the United States tariff, line 2933.19.04.00 covers compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, aromatic or modified aromatic, aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2933.19 in heading 29.33 (chapter 29). Source: https://border.bot/countries/united-states/hs-codes/2933190400 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2933.19](https://border.bot/countries/united-states/hs-codes/293319) / [2933.19.04.00](https://border.bot/countries/united-states/hs-codes/2933190400) ## Key facts - Tariff line: 2933.19.04.00 - Covers: Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, aromatic or modified aromatic, aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone) - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [2933.19](https://border.bot/hs-codes/293319) ## What this line covers In the United States tariff, line 2933.19.04.00 covers compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, aromatic or modified aromatic, aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone). Its legal text is “Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone)”, read under “Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure”, “Other” and “Aromatic or modified aromatic”. ## How it is structured It falls under HS subheading 2933.19 in heading 29.33 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 29: Organic chemicals - Heading 29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only - Subheading 2933.19: Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure - Within the subheading: Other - Within the subheading: Aromatic or modified aromatic - Line 2933.19.04.00: Aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone) ## Duty Goods under this line enter free of general (MFN) duty. ## In other countries No other national tariff on border.bot has live lines under 2933.19 yet. - [The Harmonized System text for 2933.19](https://border.bot/hs-codes/293319) ## Other lines under 2933.19 - [2933.19.08.00](https://border.bot/countries/united-states/hs-codes/2933190800) 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone - [2933.19.15.00](https://border.bot/countries/united-states/hs-codes/2933191500) 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate) - [2933.19.18.00](https://border.bot/countries/united-states/hs-codes/2933191800) 2-Chloro-5-sulfophenylmethylpyrazolone; 2,5-Dichloro-4-(3-methyl-5-oxo-2- pyrazolin-1-yl) benzenesulfonic acid; Phenyl carbethoxypyrazolone;m-Sulfaminopyrazolone (m-Sulfamido- phenyl methyl pyrazolone); and 1-(p-Sulfophenyl)-3-methyl pyrazolone - [2933.19.23.00](https://border.bot/countries/united-states/hs-codes/2933192300) Pesticides - [2933.19.30.10](https://border.bot/countries/united-states/hs-codes/2933193010) Couplers, for use in color negative photographic paper - [2933.19.30.95](https://border.bot/countries/united-states/hs-codes/2933193095) Other - [2933.19.35.00](https://border.bot/countries/united-states/hs-codes/2933193500) Drugs - [2933.19.37.00](https://border.bot/countries/united-states/hs-codes/2933193700) Products described in additional U.S. note 3 to section VI - [2933.19.43.00](https://border.bot/countries/united-states/hs-codes/2933194300) Other - [2933.19.45.00](https://border.bot/countries/united-states/hs-codes/2933194500) Drugs - [2933.19.70.00](https://border.bot/countries/united-states/hs-codes/2933197000) 3-Methyl-5-pyrazolone - [2933.19.90.00](https://border.bot/countries/united-states/hs-codes/2933199000) Other - Previous line: [2933.11.00.00](https://border.bot/countries/united-states/hs-codes/2933110000) Phenazone (Antipyrine) and its derivatives - Next line: [2933.19.08.00](https://border.bot/countries/united-states/hs-codes/2933190800) 3-(5-Amino-3-methyl-1H-pyrazol-1-yl)- benzenesulfonic acid; Amino-J-pyrazolone; 3-Amino-1-(2,4,6-trichlorophenyl)-5- pyrazolone; 3-Carboxy-1,4-sulfophenylpyrazol-5-one; 4-Chloro-3-(3-methyl-5-oxo-2-pyrazolin-1- yl)benzenesulfonic acid; 1-(m-Chlorophenyl)-3-methyl-2-pyrazolin- 5-one;p-Chloropyrazolone; 1-(2',5'-Dichlorophenyl)-3-methyl-2- pyrazolin-5-one; 1-(o-Ethylphenyl)-3-methyl-2-pyrazolin- 5-one; 5-Imino-3-methyl-1-phenylpyrazole; 5-Imino-3-methyl-1-(m-sulfophenyl)- pyrazole; 2,4-Methylcarboxypyrazolic acid; Methylphenylpyrazolone; and Sulfinpyrazone ## Frequently asked questions ### What does tariff line 2933.19.04.00 cover in the United States tariff? In the United States tariff, line 2933.19.04.00 covers compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, aromatic or modified aromatic, aminomethylphenylpyrazole (Phenylmethylaminopyrazole); and 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one (p-Tolyl methyl pyrazolone). ### What is the general (MFN) duty on 2933.19.04.00 in the United States? Goods under this line enter free of general (MFN) duty. ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/2933190400.json