HS code · 6-digit subheading
HS Code 2903.49 – Saturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no 2903.4
HS code 2903.49 is the 6-digit subheading for saturated fluorinated derivatives of acyclic hydrocarbons, n.e.c. in item no 2903.4. It is used for niche HFC refrigerants, specialized HFC solvents, custom blowing agents, chemical synthesis intermediates and laboratory reagents.
What HS 2903.49 covers
This 'not elsewhere specified' (NES) category within 2903.4 captures a diverse range of saturated fluorinated acyclic hydrocarbons that do not fit into the more specific HFC subheadings. These chemicals typically serve various niche applications, including specialized refrigerants, propellants, solvents, blowing agents, or intermediates in complex chemical synthesis. Trade in these NES HFCs is often characterized by smaller volumes but high value, catering to very specific industrial demands. Exporters are typically chemical manufacturers with broad product portfolios and R&D capabilities, while importers are industries requiring highly specialized chemical properties for unique processes. Due to the broad nature of this category, understanding the specific chemical compound is paramount for regulatory compliance, as all HFCs are under increasing scrutiny due to their Global Warming Potential (GWP) and the Kigali Amendment's phase-down schedule.
- Covers
- Niche HFC refrigerants
- Specialized HFC solvents
- Custom blowing agents
- Chemical synthesis intermediates
- Laboratory reagents
- Industrial propellants
- Heat transfer fluids
- Examples
Various proprietary HFC blends, experimental HFC compounds, specific industrial process chemicals not widely commercialized under a brand name, custom formulated HFCs
Codes often confused with 2903.49
Common mistake. This code is a 'basket' category, so it's often confused with more specific HFC codes (2903.43-2903.48) if the chemical *does* have a specific classification, or with other fluorinated compounds (e.g., HFEs under 2909.30) if their primary function is similar.
Top exporters and importers of HS code 290349, 2025
In 2025, the largest exporter of HS code 290349 in UN Comtrade data was Japan, with 29% of world exports; the largest importer in UN Comtrade data was South Korea, 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 Japan $37M 29% of world exports
- 2 United States $32M 25% of world exports
- 3 China $30M 24% of world exports
World total: $128M Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 South Korea $44M 33% of world imports
- 2 United States $17M 12% of world imports
- 3 Taiwan* ~$15M 11% of world imports · partner records ↗
World total: $134M 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 2903.49
Brazil does not split HS 2903.49: its NCM code is 2903.49.00.
All Brazil NCM codes in heading 29.03 →
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text is official; the English is our translation.
Questions about HS 2903.49
What is HS code 290349?
HS code 290349 is a 6-digit subheading in the Harmonized System that covers: Saturated fluorinated derivatives of acyclic hydrocarbons; n.e.c. in item no 2903.4. This 'not elsewhere specified' (NES) category within 2903.4 captures a diverse range of saturated fluorinated acyclic hydrocarbons that do not fit into the more specific HFC subheadings. These chemicals typically serve various niche applications, including specialized refrigerants, propellants, solvents, blowing agents, or intermediates in complex chemical synthesis. Trade in these NES HFCs is often characterized by smaller volumes but high value, catering to very specific industrial demands. Exporters are typically chemical manufacturers with broad product portfolios and R&D capabilities, while importers are industries requiring highly specialized chemical properties for unique processes. Due to the broad nature of this category, understanding the specific chemical compound is paramount for regulatory compliance, as all HFCs are under increasing scrutiny due to their Global Warming Potential (GWP) and the Kigali Amendment's phase-down schedule.
What products fall under HS code 290349?
Niche HFC refrigerants, specialized HFC solvents, custom blowing agents, chemical synthesis intermediates, laboratory reagents, industrial propellants, heat transfer fluids
What are common misclassifications for HS code 290349?
This code is a 'basket' category, so it's often confused with more specific HFC codes (2903.43-2903.48) if the chemical *does* have a specific classification, or with other fluorinated compounds (e.g., HFEs under 2909.30) if their primary function is similar.
Which countries are the top exporters of goods under HS code 290349?
In 2025, the top exporters of HS code 290349 in UN Comtrade data were Japan ($37M, 29% of world exports), the United States ($32M) and China ($30M). World exports came to about $128M, 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 290349?
In 2025, the top importers of HS code 290349 in UN Comtrade data were South Korea ($44M, 33% of world imports), the United States ($17M) and Taiwan (about $15M). World imports came to about $134M, 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 290349 structured?
HS code 290349 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (03) identify the heading, and digits 5-6 (49) specify the subheading. This code is standardized globally by the World Customs Organization.
What is the Brazil NCM code for HS code 290349?
In Brazil, HS code 290349 is NCM 2903.49.00. The last two digits are 00 because Brazil does not split this HS code further.