# United States tariff line 2935.90.95.00: Other > In the United States tariff, line 2935.90.95.00 covers sulfonamides. The general (MFN) duty rate is 6.5%. It falls under HS subheading 2935.90 in heading 29.35 (chapter 29). Source: https://border.bot/countries/united-states/hs-codes/2935909500 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) / [2935.90](https://border.bot/countries/united-states/hs-codes/293590) / [2935.90.95.00](https://border.bot/countries/united-states/hs-codes/2935909500) ## Key facts - Tariff line: 2935.90.95.00 - Covers: Sulfonamides - 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: [2935.90](https://border.bot/hs-codes/293590) ## What this line covers In the United States tariff, line 2935.90.95.00 covers sulfonamides. Its legal text is “Other”, read under “Other”, “Other” and “Other”. Products commonly classified here include 3,5-Dinitro-N'4,N'4-dipropylsulfanilamide (Oryzalin) (CAS No. 19044-88-3) (border.bot’s search keywords, not legal text). ## How it is structured It falls under HS subheading 2935.90 in heading 29.35 (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 29.35: Sulfonamides - Subheading 2935.90: Other - Within the subheading: Other - Within the subheading: Other - Line 2935.90.95.00: Other ## Duty The general (MFN) duty rate is 6.5%. 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 2935.90 yet. - [The Harmonized System text for 2935.90](https://border.bot/hs-codes/293590) ## Other lines under 2935.90 - [2935.90.06.00](https://border.bot/countries/united-states/hs-codes/2935900600) 4-Amino-6-chloro-m-benzenedisulfonamide and Methyl-4-aminobenzenesulfonylcarbamate (Asulam) - [2935.90.10.00](https://border.bot/countries/united-states/hs-codes/2935901000) 2-Amino-N-ethylbenzenesulfonanilide; 5-Amino-α,α,α-trifluorotoluene-2,4-disulfonamide; Benzenesulfonamide; Benzenesulfonyl hydrazide; 2-Chloro-4-amino-5-hydroxybenzenesulfonamide; 2,5-Dimethoxysulfanilanilide; and Metanilamide - [2935.90.13.00](https://border.bot/countries/united-states/hs-codes/2935901300) (5‐[2‐Chloro‐4‐ (trifluoromethyl)phenoxy]‐N‐ (methylsulfonyl)‐2‐nitrobenzamide) (Fomesafen); N‐(2,6‐Dichloro‐3‐ methylphenyl)‐5‐ amino‐1,3,4‐triazole‐2‐sulfonamide; 2,4‐Dichloro‐5‐ sulfamoylbenzoic acid; N‐Ethyl‐o‐ toluenesulfonamide; N‐Ethyl‐p‐toluenesulfonamide; 7-(Hexadecylsulfonylamino) ‐1H‐indole; Methyl 5‐{[(4,6‐dimethoxy‐2‐pyrimidinyl)amino]‐ carbonylaminosulfonyl} ‐3‐chloro‐1‐methyl‐1H‐pyrazole‐4‐carboxylate (Halosulfuron methyl); and Mixtures of ortho‐ and para-toluenesulfonamides - [2935.90.15.00](https://border.bot/countries/united-states/hs-codes/2935901500) o-Toluenesulfonamide - [2935.90.20.00](https://border.bot/countries/united-states/hs-codes/2935902000) Fast color bases and fast color salts - [2935.90.29.00](https://border.bot/countries/united-states/hs-codes/2935902900) Acetylsulfaguanidine - [2935.90.30.00](https://border.bot/countries/united-states/hs-codes/2935903000) Sulfamethazine - [2935.90.32.00](https://border.bot/countries/united-states/hs-codes/2935903200) Acetylsulfisoxazole; Sulfacetamide, sodium; and Sulfamethazine, sodium - [2935.90.33.00](https://border.bot/countries/united-states/hs-codes/2935903300) Sulfathiazole and Sulfathiazole, sodium - [2935.90.42.00](https://border.bot/countries/united-states/hs-codes/2935904200) Salicylazosulfapyridine (Sulfasalazine); Sulfadiazine; Sulfaguanidine; Sulfamerizine; and Sulfapyridine - [2935.90.48.00](https://border.bot/countries/united-states/hs-codes/2935904800) Other - [2935.90.60.00](https://border.bot/countries/united-states/hs-codes/2935906000) Other - [2935.90.75.00](https://border.bot/countries/united-states/hs-codes/2935907500) Products described in additional U.S. note 3 to section VI - Previous line: [2935.90.75.00](https://border.bot/countries/united-states/hs-codes/2935907500) Products described in additional U.S. note 3 to section VI - Next line: [2936.21.00.00](https://border.bot/countries/united-states/hs-codes/2936210000) Vitamins A and their derivatives ## Frequently asked questions ### What does tariff line 2935.90.95.00 cover in the United States tariff? In the United States tariff, line 2935.90.95.00 covers sulfonamides. ### What is the general (MFN) duty on 2935.90.95.00 in the United States? The general (MFN) duty rate is 6.5%. ### Which preferential rates apply to 2935.90.95.00? 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/2935909500.json