HS 292529 Other

Quick Answer: HS code 292529, "Other," encompasses a diverse range of organic chemical compounds classified as imides and their derivatives, and is a residual category for those not specifically covered elsewhere within HS 2925. This includes various cyclic imides and their salts, often used as intermediates in pharmaceuticals, agrochemicals, and polymers. Duty rates vary significantly by jurisdiction. In the UK, most products under this heading are subject to a 0.00% ad valorem duty. The EU applies a 6.50% ad valorem rate. For the US, rates range from 6.5% ad valorem to duty-free under various preferential trade agreements (e.g., A+, AU, K, KR, S, SG), but can also be as high as 15.4¢/kg + 67.5% for specific complex derivatives. Importers and customs brokers must precisely identify the chemical structure to ensure correct classification and leverage applicable trade agreements to optimize duty costs.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
2925290000
2925290020 0.00 %
2925290035 0.00 %
2925290050 0.00 %
2925290080 0.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
2925290000
2925290020 6.50 %
2925290025 6.50 %
2925290035 6.50 %
2925290040 6.50 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
292529
2925292000 6.5% Free (18 programs) ["kg"]
2925296000 6.5% Free (18 programs) ["kg"]
2925291000 6.5% Free (18 programs) ["kg"]
2925291800 Free ["kg"]

Special rates available under trade agreements including USMCA, KORUS, GSP.

Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).

Data compiled and presented by HSRates.

Which Trade Agreements Reduce Duties for HS 2925.29?

Imports of Other may qualify for reduced or zero duty rates under free trade agreements and preferential programs. The overview below shows available preferential arrangements by jurisdiction, compiled by HSRates from official tariff and trade agreement data.

United States (HTSUS)

Free for USMCA, KORUS, GSP, and 16 other programs

European Union (TARIC)

Preferential rate data not yet available.

United Kingdom

Preferential rate data not yet available.

Preferential rates require proof of origin and may be subject to quotas or conditions. Always verify eligibility with a licensed customs broker.

Data compiled by HSRates.

Which Preferential Rates Apply to Your Origin Country?

Select an origin country to see if preferential rates apply.

Preferential rates based on available trade agreements. Actual rates may vary.

How Has Trade Volume Developed?

How to Classify This HS Code?

What products does HS 292529 cover?

This subheading covers cyclic amides (including cyclic carbamates) and their derivatives, and salts thereof, that are not specifically provided for in subheading 2925.21. The World Customs Organization (WCO) Harmonized System Explanatory Notes for Heading 2925 clarify that this includes compounds containing a cyclic amide function, which is a nitrogen atom forming part of a ring and also part of an amide group. Examples include certain lactams and cyclic ureas not elsewhere specified. The USITC Harmonized Tariff Schedule (HTS) and EU TARIC further define the scope by exclusion, ensuring that only "other" cyclic amides and their derivatives fall here, distinguishing them from imides and imine-function compounds of subheading 2925.1.

What falls outside HS 292529?

The following products are excluded from HS 292529: imides and their derivatives, and salts thereof, which are specifically classified under subheading 2925.11 or 2925.19. Additionally, cyclic amides that are specifically named in other subheadings, such as those with a distinct chemical structure or function that places them under a more specific 6-digit code, would be excluded. For instance, certain heterocyclic compounds with nitrogen, even if they contain an amide function, might be classified in Chapter 29 under a more specific heading if their primary characteristic is that of a different chemical class, or if they are provably more specifically described elsewhere in the nomenclature.

What are common classification mistakes for HS 292529?

A common error is misinterpreting the "cyclic amide" function, leading to incorrect classification of imides or acyclic amides. Importers sometimes confuse cyclic amides with cyclic imides, which are distinct chemical structures and are classified under 2925.1. Another frequent mistake involves overlooking more specific provisions within Chapter 29 or even other chapters, particularly when a compound has multiple functional groups. Applying General Interpretative Rule (GRI) 3(a), the most specific description should always take precedence. Therefore, if a cyclic amide derivative is more accurately described by a different, more specific 6-digit subheading, it must be classified there, not in the residual "other" category of 2925.29.

How should importers classify products under HS 292529?

The correct procedure for classifying products under HS 292529 involves a thorough chemical analysis to confirm the presence of a cyclic amide function and to rule out more specific classifications. Importers and customs brokers should first verify that the compound is indeed a cyclic amide or a derivative thereof, and then meticulously check if it is specifically named or described in any other subheading within Heading 2925 or Chapter 29. Consulting the WCO HS Explanatory Notes for Heading 2925 is crucial. If no more specific subheading applies, and the product clearly meets the definition of a cyclic amide or derivative not elsewhere specified, then classification under 292529 is appropriate, ensuring compliance with GRI 1 and 6.

Which HS Codes Are Related?

Not the right code? Search all HS codes to find the correct tariff classification.

FAQ

What is the Most Favored Nation (MFN) import duty rate for products classified under HS 2925.29 in key markets?

The Most Favored Nation (MFN) import duty rates for HS 2925.29 ('Other' imines and their derivatives; salts thereof) vary significantly by importing country. For example, the United States generally applies a 6.5% ad valorem duty rate under the Harmonized Tariff Schedule of the United States (HTSUS). The European Union's TARIC database indicates a 6.5% ad valorem duty rate for most MFN imports. The UK Global Tariff also lists a 6.5% ad valorem duty. However, some countries may apply different rates, such as 0.00% in certain jurisdictions or complex rates like 15.4¢/kg + 67.5% in others. Importers should always verify the specific MFN duty rate applicable to their destination country using official tariff databases like the USITC HTSUS, EU TARIC, or the UK Trade Tariff.

Are there any preferential duty rates available for HS 2925.29 under common free trade agreements?

Yes, preferential duty rates are frequently available for products classified under HS 2925.29 when imported from countries with which the importing nation has a Free Trade Agreement (FTA) or other preferential trade arrangement. For instance, the United States offers 'Free' duty rates for imports from numerous FTA partners, including but not limited to Australia (AU), Bahrain (BH), Chile (CL), Colombia (CO), Israel (IL), Jordan (JO), Korea (KR), Morocco (MA), Oman (OM), Panama (PA), Peru (PE), and Singapore (SG). Similar preferential rates, often 'Free' (0.00% ad valorem), are available under EU and UK trade agreements (e.g., GSP, FTAs with Japan, Canada, etc.). To claim preferential treatment, importers must ensure the goods meet the specific Rules of Origin criteria of the applicable trade agreement and provide valid proof of origin, such as a certificate of origin or origin declaration.

What are the key classification criteria for determining if a product falls under HS 2925.29, specifically 'Other' imines and their derivatives?

HS 2925.29 is a residual subheading under HS 2925, which covers 'Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds.' The key classification criteria revolve around the chemical structure and function of the compound. For a product to be classified under 2925.29, it must be an imine-function compound or a derivative thereof, or a salt of such a compound, and it must not be specifically provided for in subheading 2925.1 (Carboxyimide-function compounds) or 2925.21 (Imines and their derivatives; salts thereof: Iminodisuccinic acid and its salts). Classification requires a detailed understanding of organic chemistry, specifically the presence of the C=N (imine) functional group, and ensuring it does not meet the structural requirements for other more specific headings or subheadings within Chapter 29. WCO Explanatory Notes for Chapter 29 provide authoritative guidance on the scope of these headings.

What documentation is typically required for importing goods classified under HS 2925.29?

Standard import documentation is required for HS 2925.29, which includes a commercial invoice, packing list, and bill of lading or air waybill. Given that these are chemical products, additional documentation may be necessary: 1. Safety Data Sheet (SDS/MSDS): Essential for hazardous chemicals, providing information on properties, hazards, and safe handling. 2. Certificate of Analysis (CoA): Confirms the chemical composition, purity, and quality of the product. 3. Proof of Origin: If claiming preferential duty rates under a free trade agreement (e.g., a NAFTA/USMCA Certificate of Origin, EUR.1 movement certificate, or origin declaration on the invoice). 4. Import Licenses/Permits: Depending on the specific chemical and the importing country's regulations, certain chemicals may require import licenses from regulatory bodies (e.g., environmental agencies, chemical control authorities). Importers should consult the specific regulations of the destination country prior to shipment.