2829.90.25.00—Chlorates and perchlorates; bromates and perbromates; iodates and periodates, sodium bromateGeneral
Free
Units
kg
Column 2
25%
Special
—
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 tariff modification currently stacks on top of the base rate.
New to HTS codes? Read our guide on how HTS classification works →
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.88.16 | section_301 | 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 Cuba and North Korea).
Yes — HTS 2829.90.25.00 is covered by section_301 provision 9903.88.16 (The duty provided in the applicable subheading + 15%). Open the code page for the full overlay stack with effective dates and country scopes.
No active AD/CVD orders currently flag HTS 2829.90.25.00 in Tandom's catalog. Tandom monitors Federal Register notices daily; a flag will appear here within 24h of any new order's publication.
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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