HS 293293 Piperonal
Quick Answer: HS Code 293293 specifically covers Piperonal, also known as heliotropin. This organic chemical compound is a cyclic ether, commonly used as a fragrance ingredient in perfumes, soaps, and cosmetics due to its sweet, floral, and vanilla-like aroma. It also serves as an intermediate in the synthesis of pharmaceuticals and other fine chemicals. Importers and exporters should note the varying duty rates: the UK applies a 6.00% ad valorem rate, while the EU's TARIC system shows 6.50%. In the US, the Most Favored Nation (MFN) rate is 4.8% ad valorem, with numerous preferential duty-free provisions under various Free Trade Agreements (e.g., A+, AU, BH, CL, KR). A prohibitive Column 2 rate of 45% applies to goods from non-MFN countries. Accurate classification is crucial to leverage these preferential rates where applicable.
What Are the Import Duty Rates?
🇬🇧 United Kingdom
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 2932930000 | 6.00 % | — | — |
🇪🇺 European Union (TARIC)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 2932930000 | 6.50 % | — | — |
🇺🇸 United States (HTSUS)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 2932930000 | 4.8% | Free (17 programs) | ["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 2932.93?
Imports of Piperonal 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, and 15 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?
Trade Volume 2023
How to Classify This HS Code?
What products does HS 293293 cover?
This subheading covers piperonal, also known as heliotropin, which is a chemical compound with the molecular formula C8H6O3. It is an aromatic aldehyde derived from safrole, characterized by its sweet, floral, and vanilla-like odor. The WCO Harmonized System Nomenclature specifically identifies "Piperonal" under subheading 2932.93, placing it within Heading 2932, which encompasses heterocyclic compounds with oxygen hetero-atom(s) only. Official definitions from the USITC Harmonized Tariff Schedule (HTS) and the EU TARIC system consistently align with this specific chemical identity, ensuring precise classification for this distinct organic compound used primarily in perfumery and flavorings.
What falls outside HS 293293?
The following products are excluded from HS 293293: safrole (HS 2932.99), from which piperonal can be synthesized, as safrole is a different chemical compound despite its structural relation. Similarly, other aromatic aldehydes, such as vanillin (HS 2912.41) or benzaldehyde (HS 2912.21), are classified under different subheadings within Chapter 29 due to their distinct chemical structures and functional groups, even if they share similar end-uses in fragrances or flavors. Mixtures containing piperonal, where piperonal is not the predominant component or where the mixture forms a preparation, might be classified elsewhere, potentially in Chapter 33 for perfumery or cosmetic preparations, depending on their composition and intended use.
What are common classification mistakes for HS 293293?
A common error is misclassifying piperonal as a general aromatic aldehyde under a broader "other" subheading, rather than utilizing its specific, dedicated subheading 2932.93. Another frequent mistake involves confusing piperonal with its precursor, safrole, or with other structurally similar but chemically distinct compounds, leading to incorrect duty rates and regulatory compliance issues. Importers might also incorrectly classify mixtures containing piperonal as pure piperonal, failing to consider General Interpretative Rule (GRI) 3(b) if the mixture's essential character is imparted by another component or if it constitutes a preparation. Careful attention to the precise chemical name and CAS number is crucial to avoid these errors.
How should importers classify products under HS 293293?
The correct procedure for classifying piperonal involves first confirming the chemical identity of the product against its CAS number (120-57-0) and molecular formula (C8H6O3). Importers and customs brokers should consult the WCO Harmonized System Explanatory Notes for Heading 2932 to ensure the product meets the criteria for heterocyclic compounds with oxygen hetero-atom(s) only. Subsequently, applying General Interpretative Rule (GRI) 1, the specific wording of subheading 2932.93 for "Piperonal" takes precedence over any broader headings. For mixtures, a laboratory analysis may be necessary to determine the exact composition and ensure that piperonal is indeed the product being imported, or to correctly apply GRI 3 if it is part of a preparation.
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FAQ
What is the Most Favored Nation (MFN) import duty rate for Piperonal (HS 2932.93) in key markets, and how do preferential rates apply?
The MFN (Most Favored Nation) import duty rate for Piperonal (HS 2932.93) varies significantly by importing country. For instance, the United States applies an MFN duty rate of 6.5% ad valorem. The European Union's TARIC database indicates an MFN duty rate of 6.0% ad valorem. The UK Global Tariff also lists a 6.0% ad valorem MFN rate. However, many trade agreements offer preferential duty treatment, often resulting in a 'Free' rate. For example, under various US Free Trade Agreements (FTAs) and preference programs, imports from countries like 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) may be eligible for duty-free entry, provided all rules of origin requirements are met. Importers should consult the specific trade agreement and their country's tariff schedule (e.g., USITC HTSUS, EU TARIC, UK Trade Tariff) to confirm eligibility and required documentation for preferential rates.
What are the key classification criteria for Piperonal under HS 2932.93, and what are common misclassification risks?
Piperonal, chemically known as 3,4-methylenedioxybenzaldehyde, is classified under Harmonized System (HS) subheading 2932.93. This subheading specifically covers 'Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, peroxide-alcohols, peroxide-phenols, peroxide-ether-alcohols, and their halogenated, sulfonated, nitrated or nitrosated derivatives, other cyclic ethers, acetals and hemiacetals, and their halogenated, sulfonated, nitrated or nitrosated derivatives, other cyclic acetals and hemiacetals, and their halogenated, sulfonated, nitrated or nitrosated derivatives.' Piperonal falls under this due to its chemical structure as a cyclic ether (specifically, a methylenedioxy group) with an aldehyde functional group. Common misclassification risks arise if the product is confused with other aromatic aldehydes or related derivatives that do not possess the cyclic ether structure, potentially leading to classification under other subheadings within Chapter 29 (e.g., 2912 for other aldehydes) or even Chapter 33 if prepared as a fragrance compound. Accurate classification requires a precise understanding of the chemical structure and application, referencing the Explanatory Notes to the HS for Chapter 29.
What documentation is typically required for importing Piperonal (HS 2932.93), especially to claim preferential duty rates?
For the import of Piperonal (HS 2932.93), standard customs documentation includes a commercial invoice, packing list, bill of lading or air waybill, and a customs declaration form. To claim preferential duty rates under a Free Trade Agreement (FTA), additional documentation is critical. This typically involves a Certificate of Origin or an origin declaration, which attests that the Piperonal meets the specific rules of origin criteria outlined in the relevant trade agreement. For example, under US FTAs, a valid Certificate of Origin (e.g., USMCA Certificate of Origin for North American trade) or a written declaration by the exporter is required. Importers must ensure that the origin documentation is accurate, complete, and available for presentation to customs authorities upon request, as failure to provide valid proof of origin will result in the application of the MFN duty rate.
Are there any specific import restrictions or regulatory considerations for Piperonal (HS 2932.93) due to its nature as a chemical compound?
While Piperonal (HS 2932.93) is primarily used as a fragrance ingredient and in the synthesis of other chemicals, it is also listed as a 'precursor' chemical in some jurisdictions due to its potential use in the illicit manufacture of controlled substances (e.g., MDMA). Therefore, importers may face specific regulatory scrutiny or licensing requirements depending on the destination country. For instance, in the United States, Piperonal is a List I chemical under the Drug Enforcement Administration (DEA) regulations, requiring importers and exporters to register with the DEA and adhere to strict record-keeping and reporting requirements. Similarly, the European Union has regulations concerning drug precursors. Importers must verify national and international chemical control regulations (e.g., UN Convention Against Illicit Traffic in Narcotic Drugs and Psychotropic Substances) in both the exporting and importing countries to ensure compliance, obtain necessary permits or licenses, and avoid penalties.