# United States tariff lines under HS 2910.90

> The United States tariff splits HS 2910.90 (epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives) into 3 national lines: 2910.90.10.00 (butylene oxide), 2910.90.20.00 (aromatic) and 2910.90.91.00 (other). The general (MFN) duty differs by line: 4.6% on 2910.90.10.00, 5.5% on 2910.90.20.00 and 4.8% on 2910.90.91.00.

Source: https://border.bot/countries/united-states/hs-codes/291090
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) / [2910.90](https://border.bot/countries/united-states/hs-codes/291090)

## Key facts

- HS subheading: [2910.90](https://border.bot/hs-codes/291090)
- National lines: 3
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2910.90

The United States tariff splits HS 2910.90 (epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives) into 3 national lines: 2910.90.10.00 (butylene oxide), 2910.90.20.00 (aromatic) and 2910.90.91.00 (other).

The general (MFN) duty differs by line: 4.6% on 2910.90.10.00, 5.5% on 2910.90.20.00 and 4.8% on 2910.90.91.00.

- [2910.90.10.00](https://border.bot/countries/united-states/hs-codes/2910901000) Other, Butylene oxide. Duty (MFN): 4.6%
- [2910.90.20.00](https://border.bot/countries/united-states/hs-codes/2910902000) Other, Other, Aromatic. Duty (MFN): 5.5%
- [2910.90.91.00](https://border.bot/countries/united-states/hs-codes/2910909100) Other, Other, Other. Duty (MFN): 4.8%

## In other countries

No other national tariff on border.bot has live lines under 2910.90 yet.

- [The Harmonized System text for 2910.90](https://border.bot/hs-codes/291090)

- Previous subheading: [2910.50](https://border.bot/countries/united-states/hs-codes/291050) Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives
- Next subheading: [2911.00](https://border.bot/countries/united-states/hs-codes/291100) Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated or nitrosated derivatives

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2910.90?

The United States tariff splits HS 2910.90 (epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives) into 3 national lines: 2910.90.10.00 (butylene oxide), 2910.90.20.00 (aromatic) and 2910.90.91.00 (other).

### What is the duty on HS 2910.90 in the United States?

The general (MFN) duty differs by line: 4.6% on 2910.90.10.00, 5.5% on 2910.90.20.00 and 4.8% on 2910.90.91.00.

## 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/291090.json