HS code · 6-digit subheading
HS Code 2920.24 – Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite
HS code 2920.24 is the 6-digit subheading for esters, phosphite esters and their salts, their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite. It is used for triethyl phosphite, TEPI, phosphonic acid triethyl ester, intermediate chemical and ligand for catalysts.
What HS 2920.24 covers
This HS code specifically covers triethyl phosphite, a valuable chemical intermediate used in a variety of industrial applications. It is particularly important in the synthesis of certain organophosphorus compounds, including some pesticides, flame retardants, and as a ligand in catalysis. Its international trade involves specialized chemical manufacturers exporting the compound from major production hubs, and industries such as agrochemicals, plastics, and pharmaceuticals importing it for use in their manufacturing processes and research. The demand for triethyl phosphite is sustained by its unique reactivity and its role in facilitating complex chemical transformations, making it a sought-after component in the fine chemical sector.
- Covers
- Triethyl phosphite
- TEPI
- Phosphonic acid triethyl ester
- Intermediate chemical
- Ligand for catalysts
- Examples
- Lanxess (specialty chemicals)
- Arkema (chemical intermediates)
- Jiangsu Yangnong Chemical Group (agrochemical intermediates)
Codes often confused with 2920.24
Common mistake. Can be confused with trimethyl phosphite (292023) or diethyl phosphite (292022) if the specific alkyl group (ethyl vs. methyl) is not accurately identified.
Top exporters and importers of HS code 292024, 2025
In 2025, the largest exporter of HS code 292024 in UN Comtrade data was India, with 50% of world exports; the largest importer in UN Comtrade data was Japan, with 22% 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 India $1.2M 50% of world exports
- 2 China $768K 32% of world exports
- 3 France $288K 12% of world exports
World total: $2.4M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Japan $621K 22% of world imports
- 2 United States $543K 19% of world imports
- 3 Taiwan* ~$458K 16% of world imports · partner records ↗
World total: $2.8M 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 marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. 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. UN Comtrade records Taiwan as "Other Asia, not elsewhere specified". Saudi Arabia's exports under that code are left out: they are far too large to be trade with Taiwan, so mostly undisclosed partners. 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 2920.24
Brazil does not split HS 2920.24: its NCM code is 2920.24.00.
All Brazil NCM codes in heading 29.20 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 2920.24
What is HS code 292024?
HS code 292024 is a 6-digit subheading in the Harmonized System that covers: Esters; phosphite esters and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives, triethyl phosphite. This HS code specifically covers triethyl phosphite, a valuable chemical intermediate used in a variety of industrial applications. It is particularly important in the synthesis of certain organophosphorus compounds, including some pesticides, flame retardants, and as a ligand in catalysis. Its international trade involves specialized chemical manufacturers exporting the compound from major production hubs, and industries such as agrochemicals, plastics, and pharmaceuticals importing it for use in their manufacturing processes and research. The demand for triethyl phosphite is sustained by its unique reactivity and its role in facilitating complex chemical transformations, making it a sought-after component in the fine chemical sector.
What products fall under HS code 292024?
Triethyl phosphite, TEPI, phosphonic acid triethyl ester, intermediate chemical, ligand for catalysts
What are common misclassifications for HS code 292024?
Can be confused with trimethyl phosphite (292023) or diethyl phosphite (292022) if the specific alkyl group (ethyl vs. methyl) is not accurately identified.
Which countries are the top exporters of goods under HS code 292024?
In 2025, the top exporters of HS code 292024 in UN Comtrade data were India ($1.2M, 50% of world exports), China ($768K) and France ($288K). World exports came to about $2.4M, 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 292024?
In 2025, the top importers of HS code 292024 in UN Comtrade data were Japan ($621K, 22% of world imports), the United States ($543K) and Taiwan (about $458K). World imports came to about $2.8M, 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 292024 structured?
HS code 292024 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (20) identify the heading, and digits 5-6 (24) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 292024?
In Brazil, HS code 292024 is NCM 2920.24.00. The last two digits are 00 because Brazil does not split this HS code further.