HS code · 6-digit subheading

HS Code 2909.20 – Ethers; cyclanic, cyclenic or cycloterpenic and their halogenated, sulphonated, nitrated or nitrosated derivatives

HS code 2909.20 is the 6-digit subheading for ethers, cyclanic, cyclenic or cycloterpenic and their halogenated, sulphonated, nitrated or nitrosated derivatives. It is used for tetrahydrofuran (THF), 1,4-Dioxane, tetrahydropyran, furan and dihydropyran.

What HS 2909.20 covers

This HS code covers cyclanic, cyclenic, or cycloterpenic ethers and their halogenated, sulphonated, nitrated, or nitrosated derivatives. These cyclic ethers are distinct from their acyclic counterparts due to their ring structures, which impart unique chemical properties. They are widely utilized as specialty solvents in various industrial applications, including pharmaceuticals, agrochemicals, and polymer synthesis. Tetrahydrofuran (THF) is a prominent example, known for its excellent solvent properties for PVC and in Grignard reactions. Trade in these compounds often involves fine chemical companies, research and development-intensive industries, and manufacturers requiring specific, high-performance solvents or intermediates. Their higher value often reflects the complexity of their synthesis and specialized applications.

Covers
  • Tetrahydrofuran (THF)
  • 1,4-Dioxane
  • Tetrahydropyran
  • Furan
  • Dihydropyran
  • Cyclohexyl methyl ether
  • 2-Methyltetrahydrofuran
Examples
  • BASF Tetrahydrofuran
  • Sigma-Aldrich 1,4-Dioxane
  • TCI America Tetrahydropyran
  • LyondellBasell THF

Codes often confused with 2909.20

Common mistake. Can be confused with acyclic ethers in 290919 if the cyclic nature is overlooked, or with other heterocyclic compounds in Chapter 29, especially those with oxygen in the ring.

2909.19Ethers; acyclic, and their halogenated, sulphonated, nitrated or nitrosated derivatives, other than diethyl ether

Top exporters and importers of HS code 290920, 2025

In 2025, the largest exporter of HS code 290920 in UN Comtrade data was China, with 40% of world exports; the largest importer in UN Comtrade data was Switzerland, with 33% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.

Top exporters 2025 · share of world exports

  1. 1 China $34M
  2. 2 France $17M
  3. 3 Germany $6.3M

World total: $85M Reported figures on UN Comtrade ↗

Top importers 2025 · share of world imports

  1. 1 Switzerland $35M
  2. 2 France $8.5M
  3. 3 Spain $8.2M

World total: $106M 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 2909.20

Brazil does not split HS 2909.20: its NCM code is 2909.20.00.

  1. 2909.20.00 Cyclanic, cyclenic or cycloterpenic ethersÉteres ciclânicos, ciclênicos, cicloterpênicos e seus derivados halogenados, sulfonados, nitrados ou nitrosados

All Brazil NCM codes in heading 29.09 →

Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.

Questions about HS 2909.20

What is HS code 290920?

HS code 290920 is a 6-digit subheading in the Harmonized System that covers: Ethers; cyclanic, cyclenic or cycloterpenic and their halogenated, sulphonated, nitrated or nitrosated derivatives. This HS code covers cyclanic, cyclenic, or cycloterpenic ethers and their halogenated, sulphonated, nitrated, or nitrosated derivatives. These cyclic ethers are distinct from their acyclic counterparts due to their ring structures, which impart unique chemical properties. They are widely utilized as specialty solvents in various industrial applications, including pharmaceuticals, agrochemicals, and polymer synthesis. Tetrahydrofuran (THF) is a prominent example, known for its excellent solvent properties for PVC and in Grignard reactions. Trade in these compounds often involves fine chemical companies, research and development-intensive industries, and manufacturers requiring specific, high-performance solvents or intermediates. Their higher value often reflects the complexity of their synthesis and specialized applications.

What products fall under HS code 290920?

Tetrahydrofuran (THF), 1,4-Dioxane, Tetrahydropyran, Furan, Dihydropyran, Cyclohexyl methyl ether, 2-Methyltetrahydrofuran

What are common misclassifications for HS code 290920?

Can be confused with acyclic ethers in 290919 if the cyclic nature is overlooked, or with other heterocyclic compounds in Chapter 29, especially those with oxygen in the ring.

Which countries are the top exporters of goods under HS code 290920?

In 2025, the top exporters of HS code 290920 in UN Comtrade data were China ($34M, 40% of world exports), France ($17M) and Germany ($6.3M). World exports came to about $85M, 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 goods under HS code 290920?

In 2025, the top importers of HS code 290920 in UN Comtrade data were Switzerland ($35M, 33% of world imports), France ($8.5M) and Spain ($8.2M). World imports came to about $106M, 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.

How is HS code 290920 structured?

HS code 290920 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (09) identify the heading, and digits 5-6 (20) specify the subheading. This code is standardized globally by the World Customs Organization.

What is the Brazil NCM code for HS code 290920?

In Brazil, HS code 290920 is NCM 2909.20.00. The last two digits are 00 because Brazil does not split this HS code further.