Product classification
HS code for Piperonal: 2932.93
Heterocyclic compounds, with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), piperonal.
Classification of piperonal under HS 2932.93
Piperonal, also known as heliotropin, is an organic compound frequently used in the fragrance and flavor industries for its sweet, vanillin-like scent. It is classified under HS code 2932.93. This code falls within Chapter 29 (Organic Chemicals) and specifically under heading 2932, which covers heterocyclic compounds with oxygen hetero-atom(s) only. Piperonal contains a methylenedioxy functional group attached to a benzene ring, forming a heterocyclic structure where oxygen is the only hetero-atom. The specific subheading 2932.93 was created to monitor this substance due to its status as a precursor in the manufacture of certain controlled substances, although its primary commercial use remains legitimate industrial applications. Classification is based on the chemical's molecular architecture, ensuring that it is not grouped with simple aldehydes or other oxygen-bearing compounds that lack the heterocyclic ring structure. According to Chapter 29 Note 7, piperonal is classified here because the heterocyclic ring is the defining feature of the molecule. The compound is typically found as a white crystalline solid. Its classification is strictly governed by its chemical identity as a heterocyclic aldehyde, and it must not be confused with non-heterocyclic aromatic aldehydes. The General Rules for Interpretation (GRI) 1 and 6 are applied to ensure that the specific nomenclature of 2932.93 takes precedence over more general categories like 2932.99.
- Covers
- Piperonal (Heliotropin)
- 3,4-Methylenedioxybenzaldehyde
- Technical grade piperonal
- Crystalline piperonal for fragrance use
- Also under 2932.93
- Givaudan Piperonal
- Firmenich Heliotropin
- Symrise Piperonal
- Takasago Heliotropin
Codes often confused with 2932.93
Common mistake. Piperonal is frequently misclassified under 2932.99, which is the general category for other oxygen heterocyclics. However, because it has its own specific 6-digit code (2932.93), the more specific code must be used. It is also sometimes confused with Benzaldehyde (2912.21) or Vanillin (2912.41) because of its aromatic properties. However, since those compounds do not contain a heterocyclic ring, they belong in heading 2912 rather than 2932.
Top exporters and importers of HS 293293 (the code used for piperonal), 2025
In 2025, the largest exporter of HS 293293 (the code used for piperonal) in UN Comtrade data was China, with 71% of world exports; the largest importer in UN Comtrade data was the United States, with 18% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 293293, not only piperonal.
Top exporters 2025 · share of world exports
- 1 China $24M 71% of world exports
- 2 Spain $3.6M 11% of world exports
- 3 Germany $2.3M 6.7% of world exports
World total: $34M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 United States $7.0M 18% of world imports
- 2 Spain $3.6M 9.6% of world imports
- 3 Germany $3.5M 9.2% of world imports
World total: $38M Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for piperonal
Brazil classifies piperonal under NCM 2932.93.00: HS 2932.93 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
Questions about piperonal
What is the HS code for Piperonal?
The HS code for Piperonal is 293293 (Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), piperonal). The HS code for piperonal, also known as heliotropin, is 2932.93.
How do I classify Piperonal for customs?
Piperonal is classified under HS code 293293 — Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), piperonal. This is a 6-digit subheading level code.
Is piperonal classified as a simple aldehyde?
No, while it contains an aldehyde group, the presence of the oxygen-containing heterocyclic ring requires it to be classified under heading 2932.
Which countries are the top exporters of piperonal (HS 293293)?
In 2025, the top exporters of HS 293293 (the code used for piperonal) in UN Comtrade data were China ($24M, 71% of world exports), Spain ($3.6M) and Germany ($2.3M). World exports came to about $34M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of piperonal (HS 293293)?
In 2025, the top importers of HS 293293 (the code used for piperonal) in UN Comtrade data were the United States ($7.0M, 18% of world imports), Spain ($3.6M) and Germany ($3.5M). World imports came to about $38M, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Piperonal the same in all countries?
The base HS code 293293 for Piperonal is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for piperonal in Brazil?
In Brazil, piperonal (HS 293293) is classified under NCM 2932.93.00.