# HS code 2829.90: Chlorates and perchlorates; bromates and perbromates; iodates and periodates

> HS code 2829.90 covers chlorates and perchlorates; bromates and perbromates; iodates and periodates, other than those classified in 2829.11 and 2829.19. It sits in heading 28.29 (chlorates and perchlorates; bromates and perbromates; iodates and periodates) 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 28.29 are classified under 2829.11 (chlorates, of sodium) and 2829.19 (chlorates, other).

Source: https://staging.border.bot/hs-codes/282990
Last updated: 13 October 2026

[HS codes](https://staging.border.bot/hs-codes) / [Chapter 28](https://staging.border.bot/hs-codes/28) / [28.29](https://staging.border.bot/hs-codes/2829) / [2829.90](https://staging.border.bot/hs-codes/282990)

## Key facts

- HS code: 2829.90
- Covers: Chlorates and perchlorates; bromates and perbromates; iodates and periodates
- Heading: [28.29: Chlorates and perchlorates; bromates and perbromates; iodates and periodates](https://staging.border.bot/hs-codes/2829)
- 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 2829.90 covers chlorates and perchlorates; bromates and perbromates; iodates and periodates, other than those classified in 2829.11 and 2829.19.

The legal text of the subheading is “Other”, in HS2022.

## What it doesn’t cover

Other goods of heading 28.29 are classified under 2829.11 (chlorates, of sodium) and 2829.19 (chlorates, other).

- [2829.11](https://staging.border.bot/hs-codes/282911) Chlorates: Of sodium
- [2829.19](https://staging.border.bot/hs-codes/282919) Chlorates: Other

## How it is structured

2829.90 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2829, are heading 28.29; the last two, 90, 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 28.29: Chlorates and perchlorates; bromates and perbromates; iodates and periodates
- Subheading 2829.90: Other

## In other countries

No national tariff lines under 2829.90 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 2829.90 at six digits and add their own digits after it.

- Previous subheading: [2829.19](https://staging.border.bot/hs-codes/282919) Chlorates: Other
- Next subheading: [2830.10](https://staging.border.bot/hs-codes/283010) Sodium sulphides

## Frequently asked questions

### What does HS code 2829.90 cover?

HS code 2829.90 covers chlorates and perchlorates; bromates and perbromates; iodates and periodates, other than those classified in 2829.11 and 2829.19.

### Which heading and chapter is HS code 2829.90 in?

HS code 2829.90 is in heading 28.29 (chlorates and perchlorates; bromates and perbromates; iodates and periodates) 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 28.29 classified when 2829.90 doesn’t fit?

Other goods of heading 28.29 are classified under 2829.11 (chlorates, of sodium) and 2829.19 (chlorates, other).

## 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/282990.json