2830.10.00.00
Sodium sulfides
Sulfides; polysulfides, whether or not chemically defined
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)
9903.03.01
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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 Difluoromethane (CAS No. 75-10-5) and Carbonyl Sulfide (CAS No. 463-58-1) from Japan
The first product, difluoromethane is also known as HFC-32. Based on the provided Safety Data Sheet (SDS), it is 99.9 percent pure. You indicate that it will be imported in gas cylinders and will be used in semiconductor applications. The s
The country of origin of toilet paper
stock does not undergo a substantial transformation resulting in an item with a new name, character or use simply by unwinding, embossing, winding, cutting, and packaging. As support, we reference HQ W967997, dated October 5, 2006, in which
The tariff classification of Carbonyl Sulfide, CAS# 463-58-1, from China
You describe the subject product as 100% Carbonyl Sulfide, CAS# 463-58-1. Carbonyl Sulfide is a colorless chemical compound with a chemical formula of COS. The provided Safety Data Sheet indicates that this product is gas under pressure and
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; Correction to Ruling Number N319751
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 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 “Molybdenum Disulphide” from India
” In your submission, you describe the product at issue as an inorganic chemical compound with greater than 98% purity. The provided Safety Data Sheet identifies “Molybdenum Disulphide” by CAS # 1317-33-5 and empirical formula as MoS2.
The tariff classification of evaporation materials from China
Representative photos and analysis certificates were included in your submission. The products under consideration are high purity/high density products for use in the semiconductor and optical industries. Imported in various shapes and siz
The tariff classification of Manganese Sulfide (CAS# 18820-86-6) from Korea.
The product is described as Manganese Sulfide (CAS# 18820-86-6). The submitted Material Safety Data Sheet describes the product as a solid lubricant.
The tariff classification of Sodium Hydrosulfide (Flake 70%) from France
The tariff classification of Sodium Hydrosulfide (Flake 70%) from France
The tariff classification of various lithium compounds andalloys from Russia, Australia, Brazil, China, Argentina andBolivia.
The tariff classification of various lithium compounds andalloys from Russia, Australia, Brazil, China, Argentina andBolivia.
The tariff classification of molybdenum disulphide (inpowder form) and molybdenum disulphide (in paste form) fromWest Germany or England.
The tariff classification of molybdenum disulphide (inpowder form) and molybdenum disulphide (in paste form) fromWest Germany or England.
Other codes in heading 2830
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2830.10.00.00 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 →