2837.20.51.00
Other
Cyanides, cyanide oxides and complex cyanides: Complex cyanides
Duty rates
Column 1 (General / MFN)
1.7%
Column 2 (Non-NTR)
8.5%
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)
9903.03.01
The duty provided in the applicable subheading + 10%
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.02
The duty provided in the applicable subheading
Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026
Effective from February 24, 2026 through July 24, 2026
9903.03.03
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.04
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.05
The duty provided in the applicable subheading
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.06
The duty provided in the applicable subheading
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.07
The duty provided in the applicable subheading
Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter
Applies to origin: CA
Effective from February 24, 2026 through July 24, 2026
9903.03.08
The duty provided in the applicable subheading
Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter
Applies to origin: MX
Effective from February 24, 2026 through July 24, 2026
9903.03.09
The duty provided in the applicable subheading
Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter
Applies to origin: CR, SV, GT, HN, NI, DO
Effective from February 24, 2026 through July 24, 2026
9903.03.10
The duty provided in the applicable subheading
Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering
Effective from February 24, 2026 through July 24, 2026
9903.03.11
The duty provided in the applicable subheading
Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds
Applies to origin: IL
Effective from February 24, 2026 through July 24, 2026
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
The tariff classification of “Potassium Ferricyanide (III), CAS # 13746-66-2” from China
” In your submission, you describe the product at issue as a single chemically defined compound, intended to be used as a chemical reducer in photographic processing to remove silver from negatives and positives (dot etching). It is also us
The tariff classification of potassium copper cyanide CAS (14263-73-1) from Korea
Your descriptive literature states that you intend to import potassium copper cyanide. The technical data that you submitted was analyzed by our laboratory.
The tariff classification of Sodium Nitroprusside (CAS-13755-38-9) in bulk form, from Japan
The subject product, Sodium Nitroprusside is a pharmaceutical intermediate. It is generally used to immediately reduce blood pressure in patients who are experiencing an emergency hypertension.
The tariff classification of Tripotassium Hexacynocobaltate (CAS# 13963-58-1) from The Czech Republic
The tariff classification of Tripotassium Hexacynocobaltate (CAS# 13963-58-1) from The Czech Republic
The tariff classification of X-874, X-875, X-879, MK-9 and DF-102 from Japan
The applicable subheading for X-874 will be 2802.00.0000, Harmonized Tariff Schedule of the United States, (HTS), which provides for Sulfur, sublined or preciptated: colloidal sulfur. The rate of duty will be Free.
The tariff classification of Sorbent FEZHEL (ANFEZH) from Russian
The tariff classification of Sorbent FEZHEL (ANFEZH) from Russian
The tariff classification of Sodium Ferrocyanide (CAS# 13601-19-9) from Japan
You believe that the proper Schedule B number for sodium ferrocyanide is 2837.11.0000.
The tariff classification of Potassium Cobalt Hexacyanoferrate (CAS#12549-23-4) from Finland.
The tariff classification of Potassium Cobalt Hexacyanoferrate (CAS#12549-23-4) from Finland.
Other codes in heading 2837
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2837.20.51.00 from each major US trading partner.
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