# United States tariff lines under HS 2503.00

> The United States tariff splits HS 2503.00 (sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur) into 2 national lines: 2503.00.00.10 (crude or unrefined sulfur) and 2503.00.00.90 (other). Every United States line under 2503.00 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/250300
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 25](https://border.bot/countries/united-states/hs-codes/25) / [2503.00](https://border.bot/countries/united-states/hs-codes/250300)

## Key facts

- HS subheading: [2503.00](https://border.bot/hs-codes/250300)
- Duty (MFN): Free
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 25: Salt; sulphur; earths and stone; plastering materials, lime and cement

## United States lines under 2503.00

The United States tariff splits HS 2503.00 (sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur) into 2 national lines: 2503.00.00.10 (crude or unrefined sulfur) and 2503.00.00.90 (other).

Every United States line under 2503.00 is free of general (MFN) duty.

- [2503.00.00.10](https://border.bot/countries/united-states/hs-codes/2503000010) Crude or unrefined sulfur. Duty (MFN): free
- [2503.00.00.90](https://border.bot/countries/united-states/hs-codes/2503000090) Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 2503.00 yet.

- [The Harmonized System text for 2503.00](https://border.bot/hs-codes/250300)

- Previous subheading: [2502.00](https://border.bot/countries/united-states/hs-codes/250200) Unroasted iron pyrites
- Next subheading: [2504.10](https://border.bot/countries/united-states/hs-codes/250410) In powder or in flakes

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2503.00?

The United States tariff splits HS 2503.00 (sulphur of all kinds, other than sublimed sulphur, precipitated sulphur and colloidal sulphur) into 2 national lines: 2503.00.00.10 (crude or unrefined sulfur) and 2503.00.00.90 (other).

### What is the duty on HS 2503.00 in the United States?

Every United States line under 2503.00 is free of general (MFN) duty.

## 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/250300.json