Chapter 29 · Organic chemicals · Section 6
HS Code 2929.10
Isocyanates
Heading 2929: Compounds with other nitrogen function
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
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 code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 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)
|
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 code | Description | |
|---|---|---|
| 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 code | Description | |
|---|---|---|
| 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 → |
Nearby codes in heading 2929
The subheadings immediately before and after 2929.10 in chapter 29.
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.
Frequently asked questions
Common questions about HS code 2929.10.
What is HS code 2929.10?
HS code 2929.10 covers: Isocyanates. It belongs to chapter 29 (Organic chemicals) of the Harmonized System.
What is the US import duty for HS code 2929.10?
The US general (normal trade relations) rates under this subheading range: Free - 6.5%. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 2929.10?
The UK extends 2929.10 to 9 declarable 10-digit commodity codes, starting with 2929100000. The full code goes on the UK customs declaration.