# HS code 2711.21: Petroleum gases and other gaseous hydrocarbons, in gaseous state, natural gas

> HS code 2711.21 covers petroleum gases and other gaseous hydrocarbons, in gaseous state, natural gas. It sits in heading 27.11 (petroleum gases and other gaseous hydrocarbons) in chapter 27 (mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes). Other goods of heading 27.11 are classified under 2711.11 (liquefied, natural gas), 2711.12 (liquefied, propane), 2711.13 (liquefied, butanes), 2711.14 (liquefied, ethylene, propylene, butylene or butadiene) and 2 others. National tariff lines under 2711.21 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/271121
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 27](https://border.bot/hs-codes/27) / [27.11](https://border.bot/hs-codes/2711) / [2711.21](https://border.bot/hs-codes/271121)

## Key facts

- HS code: 2711.21
- Covers: Petroleum gases and other gaseous hydrocarbons, in gaseous state, natural gas
- Heading: [27.11: Petroleum gases and other gaseous hydrocarbons](https://border.bot/hs-codes/2711)
- Chapter: [27: Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes](https://border.bot/hs-codes/27)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/271121)

## What this code covers

HS code 2711.21 covers petroleum gases and other gaseous hydrocarbons, in gaseous state, natural gas.

The legal text of the subheading is “In gaseous state: Natural gas”, read under “In gaseous state”, in HS2022.

## What it doesn’t cover

Other goods of heading 27.11 are classified under 2711.11 (liquefied, natural gas), 2711.12 (liquefied, propane), 2711.13 (liquefied, butanes), 2711.14 (liquefied, ethylene, propylene, butylene or butadiene) and 2 others.

- [2711.11](https://border.bot/hs-codes/271111) Liquefied: Natural gas
- [2711.12](https://border.bot/hs-codes/271112) Liquefied: Propane
- [2711.13](https://border.bot/hs-codes/271113) Liquefied: Butanes
- [2711.14](https://border.bot/hs-codes/271114) Liquefied: Ethylene, propylene, butylene and butadiene
- [2711.19](https://border.bot/hs-codes/271119) Liquefied: Other
- [2711.29](https://border.bot/hs-codes/271129) In gaseous state: Other

## How it is structured

2711.21 is a six-digit subheading. Its first two digits, 27, are the chapter; the first four, 2711, are heading 27.11; the last two, 21, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 27: Mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes
- Heading 27.11: Petroleum gases and other gaseous hydrocarbons
- Within the heading: In gaseous state
- Subheading 2711.21: Natural gas

## In other countries

National tariff lines under 2711.21 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/271121): 1 line, used by 1 other country

- Previous subheading: [2711.19](https://border.bot/hs-codes/271119) Liquefied: Other
- Next subheading: [2711.29](https://border.bot/hs-codes/271129) In gaseous state: Other

## Frequently asked questions

### What does HS code 2711.21 cover?

HS code 2711.21 covers petroleum gases and other gaseous hydrocarbons, in gaseous state, natural gas.

### Which heading and chapter is HS code 2711.21 in?

HS code 2711.21 is in heading 27.11 (petroleum gases and other gaseous hydrocarbons) in chapter 27 (mineral fuels, mineral oils and products of their distillation; bituminous substances; mineral waxes).

### Where are goods of heading 27.11 classified when 2711.21 doesn’t fit?

Other goods of heading 27.11 are classified under 2711.11 (liquefied, natural gas), 2711.12 (liquefied, propane), 2711.13 (liquefied, butanes), 2711.14 (liquefied, ethylene, propylene, butylene or butadiene) and 2 others.

### Which countries’ tariffs list national lines under HS code 2711.21?

National tariff lines under 2711.21 are live on border.bot for the United States (1 line, also used by 1 other country).

## Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 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.

Machine-readable: https://border.bot/hs-codes/271121.json