# United States tariff lines under HS 2903.44

> The United States tariff splits HS 2903.44 (saturated fluorinated derivatives of acyclic hydrocarbons: Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)) into 3 national lines: 2903.44.10.10 (1,1,1,2,2-Pentafluoroethane (HFC-125)), 2903.44.10.20 (1,1,1-Trifluoroethane (HFC-143a)) and 2903.44.10.30 (1,1,2-trifluoroethane (HFC-143)). The general (MFN) duty is 3.7% on all 3 lines.

Source: https://border.bot/countries/united-states/hs-codes/290344
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2903.44](https://border.bot/countries/united-states/hs-codes/290344)

## Key facts

- HS subheading: [2903.44](https://border.bot/hs-codes/290344)
- Duty (MFN): 3.7%
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2903.44

The United States tariff splits HS 2903.44 (saturated fluorinated derivatives of acyclic hydrocarbons: Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)) into 3 national lines: 2903.44.10.10 (1,1,1,2,2-Pentafluoroethane (HFC-125)), 2903.44.10.20 (1,1,1-Trifluoroethane (HFC-143a)) and 2903.44.10.30 (1,1,2-trifluoroethane (HFC-143)).

The general (MFN) duty is 3.7% on all 3 lines.

- [2903.44.10.10](https://border.bot/countries/united-states/hs-codes/2903441010) Saturated fluorinated derivatives of acyclic hydrocarbons, Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143), 1,1,1,2,2-Pentafluoroethane (HFC-125). Duty (MFN): 3.7%
- [2903.44.10.20](https://border.bot/countries/united-states/hs-codes/2903441020) Saturated fluorinated derivatives of acyclic hydrocarbons, Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143), 1,1,1-Trifluoroethane (HFC-143a). Duty (MFN): 3.7%
- [2903.44.10.30](https://border.bot/countries/united-states/hs-codes/2903441030) Saturated fluorinated derivatives of acyclic hydrocarbons, Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143), 1,1,2-trifluoroethane (HFC-143). Duty (MFN): 3.7%

## In other countries

No other national tariff on border.bot has live lines under 2903.44 yet.

- [The Harmonized System text for 2903.44](https://border.bot/hs-codes/290344)

- Previous subheading: [2903.43](https://border.bot/countries/united-states/hs-codes/290343) Halogenated derivatives of hydrocarbons
- Next subheading: [2903.45](https://border.bot/countries/united-states/hs-codes/290345) Halogenated derivatives of hydrocarbons

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2903.44?

The United States tariff splits HS 2903.44 (saturated fluorinated derivatives of acyclic hydrocarbons: Pentafluoroethane (HFC-125), 1,1,1-trifluoroethane (HFC-143a) and 1,1,2-trifluoroethane (HFC-143)) into 3 national lines: 2903.44.10.10 (1,1,1,2,2-Pentafluoroethane (HFC-125)), 2903.44.10.20 (1,1,1-Trifluoroethane (HFC-143a)) and 2903.44.10.30 (1,1,2-trifluoroethane (HFC-143)).

### What is the duty on HS 2903.44 in the United States?

The general (MFN) duty is 3.7% on all 3 lines.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/290344.json