# United States tariff line 2711.14.00.40: Butadiene

> In the United States tariff, line 2711.14.00.40 covers liquefied, ethylene, propylene, butylene and butadiene, butadiene. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2711.14 in heading 27.11 (chapter 27).

Source: https://border.bot/countries/united-states/hs-codes/2711140040
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 27](https://border.bot/countries/united-states/hs-codes/27) / [2711.14](https://border.bot/countries/united-states/hs-codes/271114) / [2711.14.00.40](https://border.bot/countries/united-states/hs-codes/2711140040)

## Key facts

- Tariff line: 2711.14.00.40
- Covers: Liquefied, ethylene, propylene, butylene and butadiene, butadiene
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2711.14](https://border.bot/hs-codes/271114)

## What this line covers

In the United States tariff, line 2711.14.00.40 covers liquefied, ethylene, propylene, butylene and butadiene, butadiene.

Its legal text is “Butadiene”, read under “Liquefied” and “Ethylene, propylene, butylene and butadiene”.

## How it is structured

It falls under HS subheading 2711.14 in heading 27.11 (chapter 27). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 27: Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes
- Heading 27.11: Petroleum gases and other gaseous hydrocarbons
- Subheading 2711.14: Liquefied
- Within the subheading: Ethylene, propylene, butylene and butadiene
- Line 2711.14.00.40: Butadiene

## Duty

Goods under this line enter free of general (MFN) duty.

The rate is published on 2711.14.00.

## In other countries

No other national tariff on border.bot has live lines under 2711.14 yet.

- [The Harmonized System text for 2711.14](https://border.bot/hs-codes/271114)

## Other lines under 2711.14

- [2711.14.00.10](https://border.bot/countries/united-states/hs-codes/2711140010) Ethylene
- [2711.14.00.20](https://border.bot/countries/united-states/hs-codes/2711140020) Propylene
- [2711.14.00.30](https://border.bot/countries/united-states/hs-codes/2711140030) Butylene

- Previous line: [2711.14.00.30](https://border.bot/countries/united-states/hs-codes/2711140030) Butylene
- Next line: [2711.19.00.10](https://border.bot/countries/united-states/hs-codes/2711190010) Ethane

## Frequently asked questions

### What does tariff line 2711.14.00.40 cover in the United States tariff?

In the United States tariff, line 2711.14.00.40 covers liquefied, ethylene, propylene, butylene and butadiene, butadiene.

### What is the general (MFN) duty on 2711.14.00.40 in the United States?

Goods under this line enter free of general (MFN) duty. The rate is published on 2711.14.00.

## 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/2711140040.json