# United States tariff line 2929.10.15.00: Mixtures of 2,4- and 2,6-toluenediisocyanates > In the United States tariff, line 2929.10.15.00 covers isocyanates, mixtures of 2,4- and 2,6-toluenediisocyanates. The general (MFN) duty rate is 6.5%. It falls under HS subheading 2929.10 in heading 29.29 (chapter 29). Source: https://border.bot/countries/united-states/hs-codes/2929101500 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) / [2929.10](https://border.bot/countries/united-states/hs-codes/292910) / [2929.10.15.00](https://border.bot/countries/united-states/hs-codes/2929101500) ## Key facts - Tariff line: 2929.10.15.00 - Covers: Isocyanates, mixtures of 2,4- and 2,6-toluenediisocyanates - 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: [2929.10](https://border.bot/hs-codes/292910) ## What this line covers In the United States tariff, line 2929.10.15.00 covers isocyanates, mixtures of 2,4- and 2,6-toluenediisocyanates. Its legal text is “Mixtures of 2,4- and 2,6-toluenediisocyanates”, read under “Isocyanates”. ## How it is structured It falls under HS subheading 2929.10 in heading 29.29 (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 29.29: Compounds with other nitrogen function - Subheading 2929.10: Isocyanates - Line 2929.10.15.00: Mixtures of 2,4- and 2,6-toluenediisocyanates ## 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 2929.10 yet. - [The Harmonized System text for 2929.10](https://border.bot/hs-codes/292910) ## Other lines under 2929.10 - [2929.10.10.00](https://border.bot/countries/united-states/hs-codes/2929101000) Toluenediisocyanates (unmixed) - [2929.10.20.00](https://border.bot/countries/united-states/hs-codes/2929102000) Bitolylene diisocyanate (TODI);o-Isocyanic acid, o-tolyl ester; and Xylene diisocyanate - [2929.10.27.00](https://border.bot/countries/united-states/hs-codes/2929102700) N-Butylisocyanate; Cyclohexyl isocyanate; 1-Isocyanato-3-(trifluoromethyl) benzene; 1,5-Naphthalene diisocyanate; and Octadecyl isocyanate - [2929.10.30.00](https://border.bot/countries/united-states/hs-codes/2929103000) 3,4-Dichlorophenylisocyanate - [2929.10.35.00](https://border.bot/countries/united-states/hs-codes/2929103500) 1,6-Hexamethylene diisocyanate - [2929.10.55.00](https://border.bot/countries/united-states/hs-codes/2929105500) Products described in additional U.S. note 3 to section VI - [2929.10.80.10](https://border.bot/countries/united-states/hs-codes/2929108010) Methylenedi-p-phenylene isocyanate (MDI) - [2929.10.80.90](https://border.bot/countries/united-states/hs-codes/2929108090) Other - Previous line: [2929.10.10.00](https://border.bot/countries/united-states/hs-codes/2929101000) Toluenediisocyanates (unmixed) - Next line: [2929.10.20.00](https://border.bot/countries/united-states/hs-codes/2929102000) Bitolylene diisocyanate (TODI);o-Isocyanic acid, o-tolyl ester; and Xylene diisocyanate ## Frequently asked questions ### What does tariff line 2929.10.15.00 cover in the United States tariff? In the United States tariff, line 2929.10.15.00 covers isocyanates, mixtures of 2,4- and 2,6-toluenediisocyanates. ### What is the general (MFN) duty on 2929.10.15.00 in the United States? The general (MFN) duty rate is 6.5%. ### Which preferential rates apply to 2929.10.15.00? 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/2929101500.json