# United States tariff lines under HS 2815.11

> The United States tariff splits HS 2815.11 (sodium hydroxide (caustic soda): Solid) into 1 national line: 2815.11.00.00 (solid). Every United States line under 2815.11 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/281511
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 28](https://border.bot/countries/united-states/hs-codes/28) / [2815.11](https://border.bot/countries/united-states/hs-codes/281511)

## Key facts

- HS subheading: [2815.11](https://border.bot/hs-codes/281511)
- Duty (MFN): Free
- National lines: 1
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

## United States lines under 2815.11

The United States tariff splits HS 2815.11 (sodium hydroxide (caustic soda): Solid) into 1 national line: 2815.11.00.00 (solid).

Every United States line under 2815.11 is free of general (MFN) duty.

- [2815.11.00.00](https://border.bot/countries/united-states/hs-codes/2815110000) Sodium hydroxide (Caustic soda), Solid. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 2815.11 yet.

- [The Harmonized System text for 2815.11](https://border.bot/hs-codes/281511)

- Previous subheading: [2814.20](https://border.bot/countries/united-states/hs-codes/281420) Ammonia, anhydrous or in aqueous solution
- Next subheading: [2815.12](https://border.bot/countries/united-states/hs-codes/281512) Sodium hydroxide (Caustic soda); potassium hydroxide (Caustic potash); peroxides of sodium or potassium

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2815.11?

The United States tariff splits HS 2815.11 (sodium hydroxide (caustic soda): Solid) into 1 national line: 2815.11.00.00 (solid).

### What is the duty on HS 2815.11 in the United States?

Every United States line under 2815.11 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/281511.json