# HS code 2816.10: Hydroxide and peroxide of magnesium

> HS code 2816.10 covers hydroxide and peroxide of magnesium. It sits in heading 28.16 (hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes). Other goods of heading 28.16 are classified under 2816.40 (oxides, hydroxides and peroxides, of strontium or barium).

Source: https://staging.border.bot/hs-codes/281610
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 28](https://staging.border.bot/hs-codes/28) / [28.16](https://staging.border.bot/hs-codes/2816) / [2816.10](https://staging.border.bot/hs-codes/281610)

## Key facts

- HS code: 2816.10
- Covers: Hydroxide and peroxide of magnesium
- Heading: [28.16: Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium](https://staging.border.bot/hs-codes/2816)
- Chapter: [28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes](https://staging.border.bot/hs-codes/28)
- Edition: HS2022
- Duty rates: [Set by each country’s tariff](https://staging.border.bot/countries)

## What this code covers

HS code 2816.10 covers hydroxide and peroxide of magnesium.

The legal text of the subheading is “Hydroxide and peroxide of magnesium”, in HS2022.

## What it doesn’t cover

Other goods of heading 28.16 are classified under 2816.40 (oxides, hydroxides and peroxides, of strontium or barium).

- [2816.40](https://staging.border.bot/hs-codes/281640) Oxides, hydroxides and peroxides, of strontium or barium

## How it is structured

2816.10 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2816, are heading 28.16; the last two, 10, identify the subheading within the heading.

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

- Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
- Heading 28.16: Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium
- Subheading 2816.10: Hydroxide and peroxide of magnesium

## In other countries

No national tariff lines under 2816.10 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 2816.10 at six digits and add their own digits after it.

- Previous subheading: [2815.30](https://staging.border.bot/hs-codes/281530) Peroxides of sodium or potassium
- Next subheading: [2816.40](https://staging.border.bot/hs-codes/281640) Oxides, hydroxides and peroxides, of strontium or barium

## Frequently asked questions

### What does HS code 2816.10 cover?

HS code 2816.10 covers hydroxide and peroxide of magnesium.

### Which heading and chapter is HS code 2816.10 in?

HS code 2816.10 is in heading 28.16 (hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes).

### Where are goods of heading 28.16 classified when 2816.10 doesn’t fit?

Other goods of heading 28.16 are classified under 2816.40 (oxides, hydroxides and peroxides, of strontium or barium).

## Sources and updates

The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.

This page was last updated on 13 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://staging.border.bot/hs-codes/281610.json