Chlorates and perchlorates — HTS 2829
Chlorates and perchlorates; bromates and perbromates; iodates and periodates
Chapter 28 › Heading 2829
2026 HTS Rev 19 Synced Rules verified Operational
Written to help non-specialists understand this page. Rates, dates, and legal facts come from the official records above and on the linked source.
HTS heading 2829 is a 4-digit product category for certain inorganic salts formed from oxygen-containing halogen acids. It groups chlorates and perchlorates, bromates and perbromates, and iodates and periodates. In practical terms, these are chemical compounds identified by both the halogen family and the specific chemical form, such as a particular salt or compound.
To reach the correct 8-digit HTSUS code, start with the product’s chemical identity and then follow the narrower subheadings under heading 2829. The classification commonly turns on the material or type—for example, which halogen compound it is and which cation or salt form it contains. Confirm that the product belongs in heading 2829 rather than another chemical heading, then read the full 8-digit descriptions and any applicable section, chapter, and subheading notes. A customs broker or classification specialist may be needed for unusual formulations, mixtures, or uncertain chemical identities.
What to check
- Identify the exact chemical name, formula, CAS Registry Number, and salt or compound form from the safety data sheet (SDS) and supplier specifications.
- Check whether the product is a pure chemical, a solution, a mixture, or a preparation; its formulation may affect classification.
- Read every subheading under heading 2829 and match the product to the most specific description, rather than stopping at the 4-digit heading.
- Verify the HTSUS unit of quantity, statistical suffix, and any relevant chapter or section notes for the destination entry.
- Ask a customs broker or seek a formal classification ruling when the chemical identity, concentration, or heading choice is unclear.
HTS heading 2829 summary
Chlorates and perchlorates is a 4-digit product category containing 2 published product-code lines in this snapshot. A heading does not carry one universal duty rate; classification must be narrowed to the line matching the product facts.
How to find your code in this category
A heading is a product category. To get the exact duty, narrow from this 4-digit heading to a sub-category (usually by material), then open the 8-digit code that matches your product.
Open any code in the tables below to see its exact duty rate, a duty calculator (enter your shipment value → estimated duty and landed cost), the rate-change history chart, and the country-by-country breakdown (including Section 301/232 add-on duties).
Why you have to click in: a single category can contain products with very different duties. The rate depends on the specific product — its material and construction — and on the country of origin, and those only get pinned down at the 8-digit code level. That is why this page points you to codes instead of showing one rate for the whole category.
Sub-categories
| Code | Description |
|---|---|
| 2829.90 | Other |
Product codes & duty rates
👇 Each row is a specific product code — click a blue code to open its full page with exact duty rates by country, the rate-history chart, and a duty calculator. 👉
| Code | Description | General (MFN) | Special | Column 2 |
|---|---|---|---|---|
| 2829.11.00.00 👉 | Of sodium | Free | — | 13% |
| 2829.19.01.00 👉 | Other | 3.3% | Free | 25% |
"Special" shows the free-trade-agreement rate; open a code to see exactly which countries qualify.
Common questions
What products fall under HTS heading 2829?
Chlorates and perchlorates; bromates and perbromates; iodates and periodates. To classify a specific item you must pick the matching sub-category and 8-digit code above; the right choice usually depends on the material and construction of the product.
How do I choose the right code within this category?
Start from the sub-categories (typically divided by material—for example cotton versus man-made fibers), then open the active 8- or 10-digit code that matches the product. When unsure, a licensed customs broker or a CBP binding ruling can confirm the classification.
Reference information only, not customs, legal, or classification advice. Confirm the current code and rate against the official HTS before you import.