2829.90.25.00—Chlorates and perchlorates; bromates and perbromates; iodates and periodates, sodium bromateGeneral
Free
Units
kg
Column 2
25%
Special
—
Supplier development
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Exporting to the United States
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HTS 2829.90.25.00 is the U.S. Harmonized Tariff Schedule classification for Chlorates and perchlorates; bromates and perbromates; iodates and periodates, sodium bromate. It's a 10-digit statistical line in Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Section VI: Products of the Chemical or Allied Industries, used by U.S. Customs and Border Protection to determine the duty rate at entry. 1 Chapter 99 flag links to this code (1 suspended). A Chapter 99 flag is not a shipment-level determination; origin, product facts, claims, and entry date control whether a provision applies.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 flags linked to this code; applicability depends on origin, product facts, claims, and entry date
| Code | Authority | Rate |
|---|---|---|
| 9903.88.16 | section_301Suspended | The duty provided in the applicable subheading + 15% |
Past CBP decisions classifying real products under this HTS code. Useful precedent when classifying a similar product — each ruling shows how CBP interpreted the code for a specific case.
Source: CBP CROSS (view all rulings on rulings.cbp.gov →)
HTS 2829.90.25.00 is the U.S. Harmonized Tariff Schedule classification for Chlorates and perchlorates; bromates and perbromates; iodates and periodates, sodium bromate. It belongs to Chapter 28 of the HTSUS.
The general (Column 1) duty rate for HTS 2829.90.25.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
The Column 2 rate for HTS 2829.90.25.00 is 25%. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Belarus, Cuba, North Korea, and Russia).
Tandom links section_301 provision 9903.88.16 to HTS 2829.90.25.00. Its published rate notation is The duty provided in the applicable subheading + 15%, and its status on 2026-09-26 is suspended. A flag is not a shipment-level determination; check origin, product facts, claims, and entry date.
Tandom's current catalog view links no potentially relevant AD/CVD order flags to HTS 2829.90.25.00. Check current Commerce scope materials and Federal Register notices before relying on an HTS-only screen.
Tandom guides relevant to this code
How to read, order, and report Chapter 99 HTS codes alongside the base classification on a US entry summary in 2026. The full stacking ladder for brokers and compliance teams.
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A working guide to the inputs, the layers, and the math behind a US entry summary in 2026. Written for brokers, forwarders, and importer compliance teams.
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What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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Drop the Tandom Duty Calculator API into a TMS, broker software, or in-house ERP. Code samples, the response shape, and ACE reporting order, in 2026.
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What changed April 6, 2026, what stayed the same, and how to file a steel, aluminum, or copper line in ACE without leaving duty exposure on the table.
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Where trade compliance APIs fit in a broker's filing pipeline: HTS classification, duty calculation, AD/CVD scope match, and post-summary corrections.
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