# United States tariff line 2918.99.20.15: 2-Methyl-4-chlorophenoxyacetic acid > In the United States tariff, line 2918.99.20.15 covers aromatic, pesticides, 2-Methyl-4-chlorophenoxyacetic acid. The general (MFN) duty rate is 6.5%. It falls under HS subheading 2918.99 in heading 29.18 (chapter 29). Source: https://border.bot/countries/united-states/hs-codes/2918992015 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) / [2918.99](https://border.bot/countries/united-states/hs-codes/291899) / [2918.99.20.15](https://border.bot/countries/united-states/hs-codes/2918992015) ## Key facts - Tariff line: 2918.99.20.15 - Covers: Aromatic, pesticides, 2-Methyl-4-chlorophenoxyacetic acid - Duty (MFN): 6.5% - Preferential rates: From free (17 programmes or origins) - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [2918.99](https://border.bot/hs-codes/291899) ## What this line covers In the United States tariff, line 2918.99.20.15 covers aromatic, pesticides, 2-Methyl-4-chlorophenoxyacetic acid. Its legal text is “2-Methyl-4-chlorophenoxyacetic acid”, read under “Other”, “Other”, “Aromatic”, “Other”, “Pesticides” and “Other”. Products commonly classified here include 4-(2,4-Dichlorophenoxy) butyric acid (2,4-DB) (CAS No. 94-82-6), 2-Methyl-4-chlorophenoxyacetic acid (MCPA) (CAS No. 94-74-6) and 1-Ethoxy-1-oxo-2-propanyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate (Lactofen) (CAS No. 77501-63-4) (border.bot’s search keywords, not legal text). ## How it is structured It falls under HS subheading 2918.99 in heading 29.18 (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 29.18: Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives - Subheading 2918.99: Other - Within the subheading: Other - Within the subheading: Aromatic - Within the subheading: Other - Within the subheading: Pesticides - Within the subheading: Other - Line 2918.99.20.15: 2-Methyl-4-chlorophenoxyacetic acid ## Duty The general (MFN) duty rate is 6.5%. The rate is published on 2918.99.20. Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A). - Free: a group of origins (origin group A) (A) - Free: United States-Australia Free Trade Agreement (AU) - Free: United States-Bahrain Free Trade Agreement Implementation Act (BH) - Free: United States-Chile Free Trade Agreement (CL) - Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO) - Free: African Growth and Opportunity Act (D) - Free: Caribbean Basin Economic Recovery Act (E) - Free: United States-Israel Free Trade Area (IL) - Free: United States-Jordan Free Trade Area Implementation Act (JO) - Free: United States-Korea Free Trade Agreement Implementation Act (KR) - Free: United States-Morocco Free Trade Agreement Implementation Act (MA) - Free: United States-Oman Free Trade Agreement Implementation Act (OM) - Free: Dominican Republic-Central America-United States Free Trade Agreement (P) - Free: United States-Panama Trade Promotion Agreement Implementation Act (PA) - Free: United States-Peru Trade Promotion Agreement Implementation Act (PE) - Free: United States-Mexico-Canada Agreement (S) - Free: United States-Singapore Free Trade Agreement (SG) ## In other countries No other national tariff on border.bot has live lines under 2918.99 yet. - [The Harmonized System text for 2918.99](https://border.bot/hs-codes/291899) ## Other lines under 2918.99 - [2918.99.05.00](https://border.bot/countries/united-states/hs-codes/2918990500) p-Anisic acid; Clofibrate; and 3-Phenoxybenzoic acid - [2918.99.06.00](https://border.bot/countries/united-states/hs-codes/2918990600) 1-Hydroxy-6-octadecyloxy-2-naphthalene- carboxylic acid; and 1-Hydroxy-6-docosyloxy-2-naphthalene- carboxylic acid - [2918.99.14.00](https://border.bot/countries/united-states/hs-codes/2918991400) 2-(4-Chloro-2-methylphenoxy)propionic acid and its salts - [2918.99.18.00](https://border.bot/countries/united-states/hs-codes/2918991800) 4-(4-Chloro-2-methylphenoxy) butyric acid;p-Chlorophenoxyacetic acid; and 2-(2,4-Dichlorophenoxy) propionic acid - [2918.99.20.10](https://border.bot/countries/united-states/hs-codes/2918992010) 2,4-Dichlorophenoxyacetic acid, its salts and esters - [2918.99.20.50](https://border.bot/countries/united-states/hs-codes/2918992050) Other - [2918.99.30.00](https://border.bot/countries/united-states/hs-codes/2918993000) Drugs - [2918.99.35.00](https://border.bot/countries/united-states/hs-codes/2918993500) Odoriferous or flavoring compounds - [2918.99.43.10](https://border.bot/countries/united-states/hs-codes/2918994310) 2-Methyl-3-phenyloxirane-2-carboxylic acid (P-2-P methyl glycidic acid), its salts and esters - [2918.99.43.50](https://border.bot/countries/united-states/hs-codes/2918994350) Other - [2918.99.47.00](https://border.bot/countries/united-states/hs-codes/2918994700) Other - [2918.99.50.00](https://border.bot/countries/united-states/hs-codes/2918995000) Other - Previous line: [2918.99.20.10](https://border.bot/countries/united-states/hs-codes/2918992010) 2,4-Dichlorophenoxyacetic acid, its salts and esters - Next line: [2918.99.20.50](https://border.bot/countries/united-states/hs-codes/2918992050) Other ## Frequently asked questions ### What does tariff line 2918.99.20.15 cover in the United States tariff? In the United States tariff, line 2918.99.20.15 covers aromatic, pesticides, 2-Methyl-4-chlorophenoxyacetic acid. ### What is the general (MFN) duty on 2918.99.20.15 in the United States? The general (MFN) duty rate is 6.5%. The rate is published on 2918.99.20. ### Which preferential rates apply to 2918.99.20.15? Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A). ## 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/2918992015.json