2826.19.10.00
Of ammonium
Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: Fluorides: Other
Duty rates
Column 1 (General / MFN)
3.1%
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)
9903.03.01
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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 Lithium Hexafluorophosphate from China
The subject product is identified as 99.98% pure Lithium Hexafluorophosphate, CAS NO. 21324-40-3. Lithium Hexafluorophosphate is an inorganic compound with the chemical formula LiPF6. The provided Safety Data Sheet indicates that this chemi
The tariff classification of three forms of lithium bis(fluorosulfonyl)imide from China
Product 1 is identified as Lithium bis(fluorosulfonyl)imide (CAS NO. 171611-11-3), concentration 99%. It is a solid white inorganic compound with the chemical formula LiFSI, which
The tariff classification of Phosphorus Trifluoride, CAS # 7783-55-3, from China
You describe the subject product as an inorganic chemical compound intended for industrial use. Phosphorus Trifluoride, CAS # 7783-55-3, will be imported in cylinders, under pressure in gas form. The provided Safety Data Sheet indicates tha
The tariff classification of Carbonyl Sulfide (CAS# 463-58-1), Sulfur Hexafluoride (CAS# 2551-62-4), and Iodine Pentafluoride (CAS# 7783-66-6) from Japan
You describe the subject products as chemical compounds intended for use in manufacturing semiconductors. Carbonyl Sulfide (CAS# 463-58-1) is a gas with the chemical formula COS, Sulfur Hexafluoride (CAS# 2551-62-4) is a gas with the chemic
The tariff classification of Cobalt Pellets, Magnesium Fluoride Granules, Molybdenum Pellets, Yttrium Oxide Granules, and Aluminum Oxide Granules from China
You state that the products at issue are used in electronics (semiconductor) and optical industries. Each product is at least 99.90% pure and used to deposit thin films by electron beam or thermal high vacuum evaporation techniques. You ind
The tariff classification of Lithium Fluoroborate (CAS # 14283-07-9) from China
Your provided Chemical Abstracts Service identification number (CAS # 14283-07-9), describes the product at issue as chemical compound in powder form.
The tariff classification of sodium hydrogen bifluoride (WET) from Japan
a raw material used to produce a chemical reaction accelerator for pretreatment baths, which form a corrosion resistance layer on metal surfaces.
The tariff classification of Ammonium Bifluoride (CAS # 1341-49-7) from China
You have described the product as the chemical compound known as Ammonium Bifluoride (CAS # 1341-49-7).
The tariff classification of Lithium Fluoride from China
The tariff classification of Lithium Fluoride from China
The tariff classification of Magnesium Fluoride from China
The tariff classification of Magnesium Fluoride from China
The tariff classification of Bromotrichloromethane (CAS 75-62-7) and Potassium Fluoride (CAS 7789-23-3) from the United Kingdom.
The applicable subheading for Bromotrichloromethane will be 2903.49.9060, Harmonized Tariff Schedule of the United States (HTS), which provides for halogenated derivatives of acyclic hydrocarbons containing two or more different halogens: o
The tariff classification of Ammonium Hexafluorophosphate (CAS# 16941-11-0) from China
The tariff classification of Ammonium Hexafluorophosphate (CAS# 16941-11-0) from China
Other codes in heading 2826
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2826.19.10.00 from each major US trading partner.
Need to defend this classification?
TariffLens generates GRI reasoning, cites the right CBP rulings, and builds the audit trail you need for reasonable care.
Book a demo →