# United States tariff lines under HS 2845.10

> The United States tariff splits HS 2845.10 (heavy water (deuterium oxide)) into 1 national line: 2845.10.00.00 (heavy water (Deuterium oxide)). Every United States line under 2845.10 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/284510
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) / [2845.10](https://border.bot/countries/united-states/hs-codes/284510)

## Key facts

- HS subheading: [2845.10](https://border.bot/hs-codes/284510)
- 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 2845.10

The United States tariff splits HS 2845.10 (heavy water (deuterium oxide)) into 1 national line: 2845.10.00.00 (heavy water (Deuterium oxide)).

Every United States line under 2845.10 is free of general (MFN) duty.

- [2845.10.00.00](https://border.bot/countries/united-states/hs-codes/2845100000) Heavy water (Deuterium oxide). Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 2845.10 yet.

- [The Harmonized System text for 2845.10](https://border.bot/hs-codes/284510)

- Previous subheading: [2844.50](https://border.bot/countries/united-states/hs-codes/284450) Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products
- Next subheading: [2845.20](https://border.bot/countries/united-states/hs-codes/284520) Isotopes other than those of heading 2844; compounds, inorganic or organic, of such isotopes, whether or not chemically defined

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2845.10?

The United States tariff splits HS 2845.10 (heavy water (deuterium oxide)) into 1 national line: 2845.10.00.00 (heavy water (Deuterium oxide)).

### What is the duty on HS 2845.10 in the United States?

Every United States line under 2845.10 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/284510.json