# United States tariff lines under HS 2827.31

> The United States tariff splits HS 2827.31 (other chlorides: Of magnesium) into 1 national line: 2827.31.00.00 (of magnesium). The general (MFN) duty is 1.5% on this line.

Source: https://border.bot/countries/united-states/hs-codes/282731
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) / [2827.31](https://border.bot/countries/united-states/hs-codes/282731)

## Key facts

- HS subheading: [2827.31](https://border.bot/hs-codes/282731)
- Duty (MFN): 1.5%
- 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 2827.31

The United States tariff splits HS 2827.31 (other chlorides: Of magnesium) into 1 national line: 2827.31.00.00 (of magnesium).

The general (MFN) duty is 1.5% on this line.

- [2827.31.00.00](https://border.bot/countries/united-states/hs-codes/2827310000) Other chlorides, Of magnesium. Duty (MFN): 1.5%

## In other countries

No other national tariff on border.bot has live lines under 2827.31 yet.

- [The Harmonized System text for 2827.31](https://border.bot/hs-codes/282731)

- Previous subheading: [2827.20](https://border.bot/countries/united-states/hs-codes/282720) Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides
- Next subheading: [2827.32](https://border.bot/countries/united-states/hs-codes/282732) Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2827.31?

The United States tariff splits HS 2827.31 (other chlorides: Of magnesium) into 1 national line: 2827.31.00.00 (of magnesium).

### What is the duty on HS 2827.31 in the United States?

The general (MFN) duty is 1.5% on this line.

## 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/282731.json