2827.39.55.00
Of iron
Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides: Other chlorides: Other
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
3.7%
Column 2 (Non-NTR)
25%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.90.08
35%
ActiveArticles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to 3.7%.
Related CBP rulings
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The tariff classification of Tribasic Copper Chloride from Thailand
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In your submission,
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The tariff classification of “Dri-Card Calcium Chloride Desiccant” from China
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The tariff classification of meta-Nitrobenzoic Acid, para-Nitrobenzoic Acid, Magnesium Chloride Anhydrous, Potassium Citrate Monohydrate, and p-Benzoquinone from China
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The tariff classification of “Titanium Oxychloride, CAS # 13780-39-7” from Canada
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The tariff classification of “Magnesium Chloride, CAS # 7786-30-3” from an undisclosed country
” In your submission, you describe the product at issue as a single chemically defined compound, which is intended to be used for pharmaceutical purposes. You indicate that this product will be imported in 25kg bags.
The tariff classification of Copper Iodine from The United Kingdom
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The tariff classification of various inorganic chemicals from China
Product number 642 is an inorganic compound. It will be used to treat water for corrosion and scale control.
The tariff classification of Disodium Molybdate (VI) Dihydrate (CAS # 10102-40-6), Boric Acid (CAS # 10043-35-3), Calcium Chloride Dihydrate (CAS # 10035-04-8), Potassium Sulfate (CAS # 07778-80-5), and Ammonium Nitrate (CAS # 06484-52-2) from an unspecified country
You describe the items as Disodium Molybdate (VI) Dihydrate (CAS # 10102-40-6), Boric Acid (CAS # 10043-35-3), Calcium Chloride Dihydrate (CAS # 10035-04-8), Potassium Sulfate (CAS # 07778-80-5), and Ammonium Nitrate (CAS # 06484-52-2).
Other codes in heading 2827
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2827.39.55.00 from each major US trading partner.
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