Chapter 29 · Organic chemicals · Section 6

HS Code 2929.10

Isocyanates

Heading 2929: Compounds with other nitrogen function

US duty (general)
Free - 6.5%
US HTS lines
8
EU CN codes
1
UK commodity codes
9
Unit
kg

US HTS + UK Tariff v4.0.1596 · updated 2026-09-10 · sources

United States - HTS lines under 2929.10

Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.

HTS codeDescriptionGeneralSpecialOtherUnit
2929.10.10 Toluenediisocyanates (unmixed) 6.5% Free (A+,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 40% kg
2929.10.15 Mixtures of 2,4- and 2,6-toluenediisocyanates 6.5% Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 43.5% kg
2929.10.20 Bitolylene diisocyanate (TODI);o-Isocyanic acid, o-tolyl ester; and Xylene diisocyanate 5.8% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 40% kg
2929.10.27 N-Butylisocyanate; Cyclohexyl isocyanate; 1-Isocyanato-3-(trifluoromethyl) benzene; 1,5-Naphthalene diisocyanate; and Octadecyl isocyanate Free - 15.4¢/kg + 52% kg
2929.10.30 3,4-Dichlorophenylisocyanate 6.5% Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 15.4¢/kg + 52% kg
2929.10.35 1,6-Hexamethylene diisocyanate 6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg
2929.10.55 Other >
Products described in additional U.S. note 3 to section VI
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg
2929.10.80 Other >
Other
2 statistical lines (10-digit)
  • 2929.10.80.10 - Methylenedi-p-phenylene isocyanate (MDI)
  • 2929.10.80.90 - Other
6.5% Free (A+,AU,BH,CL,CO,D, E,IL,JO, KR,MA,OM,P, PA,PE,S,SG) 15.4¢/kg + 52% kg

Estimate the US duty runs in your browser · no caps

Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.

European Union - CN codes under 2929.10

Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.

CN codeDescription
2929 10 00 Isocyanates EU duty (TARIC) →

United Kingdom - commodity codes under 2929.10

Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.

Commodity codeDescription
2929 10 00 00 Isocyanates UK duty & VAT →
2929 10 00 20 Butyl isocyanate (CAS RN 111-36-4) UK duty & VAT →
2929 10 00 35 1,3-Bis(isocyanatomethyl)benzene (CAS RN 3634-83-1) with a purity by weight of 99 % or more UK duty & VAT →
2929 10 00 40 m-Isopropenyl-α,α-dimethylbenzyl isocyanate (CAS RN 2094-99-7) UK duty & VAT →
2929 10 00 45 2,5 (and 2,6)-Bis(isocyanatomethyl)bicyclo[2.2.1]heptane (CAS RN 74091-64-8) with a purity by weight of 99 % or more UK duty & VAT →
2929 10 00 50 m-Phenylenediisopropylidene diisocyanate (CAS RN 2778-42-9) UK duty & VAT →
2929 10 00 60 Trimethylhexamethylene diisocyanate, mixed isomers UK duty & VAT →
2929 10 00 65 Ethyl isocyanate (CAS RN 109-90-0) with a purity by weight of 98 % or more UK duty & VAT →
2929 10 00 90 Other UK duty & VAT →
Not a customs ruling. Classification is determined by the importing country's customs authority and depends on the exact product. This page is reference information from official published schedules, not legal advice. For a binding decision, request a ruling (US: CBP CROSS · UK: HMRC ATaR · EU: BTI).

Other subheadings in 2929

Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.