2910.30.00.00
1-Chloro-2,3-epoxypropane (Epichlorohydrin)
Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulfonated, nitrated or nitrosated derivatives
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United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026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 1,4-Bis(2,3-epoxypropoxy)butane from Taiwan
The subject product is called 1,4-Bis(2,3-epoxypropoxy)butane (CAS # 2425-79-8). It is also known as 1,4-butanediol diglycidyl ether (BDGE). You indicate that the material is used as a diluent in coating applications. It is also indicated t
The tariff classification of (S)-4-Bromostyrene oxide, CAS No. 148684-05-3, imported in bulk form, from India
The subject product, (S)-4-Bromostyrene oxide, also known as Oxirane, 2-(4-bromophenyl)-, (2S)-, is a halogenated derivative of an aromatic epoxide indicated for use as a pharmaceutical intermediate.
The tariff classification of (S)-Styrene oxide, CAS No. 20780-54-5, imported in bulk form, from China
The subject product, (S)-Styrene oxide, also known as (S)-Phenylethylene oxide, is an aromatic epoxide indicated for use as a pharmaceutical intermediate.
The tariff classification of (S)-(+)-Epichlorohydrin, CAS No. 67843-74-7, and (R)-(-)-Epichlorohydrin, CAS No. 51594-55-9, imported in bulk form, from Japan
The subject products, (S)-(+)-Epichlorohydrin and (R)-(-)-Epichlorohydrin, are epoxides which are cyclic ethers with only three ring atoms. The products are indicated for use as chemical intermediates.
The tariff classification of Trimethyloxirane, CAS # 5076-19-7, imported in bulk form, from England
The subject product, Trimethyloxirane, also known as 2,3-Epoxy-2-methylbutane, is indicated for use as a pharmaceutical intermediate.
The tariff classification of 1,2-Isobutylene oxide, CAS 558-30-5 from India
1,2-Isobutylene oxide, CAS 558-30-5, also known as Oxirane, 2,2-dimethyl-, is a bulk pharmaceutical intermediate
The tariff classification of R,R-3-Fluorophenylglycidol, CAS # 693220-50-7, imported in bulk form, from India
The subject product, R,R-3-Fluorophenylglycidol, is a halogenated derivative of any aromatic epoxyalcohol indicated for use as a pharmaceutical intermediate.
The tariff classification of (R)-2-Oxiranylanisole, CAS # 71031-02-2, imported in bulk form, from England
The subject product, (R)-2-Oxiranylanisole, is an aromatic epoxyether indicated for use as a pharmaceutical intermediate.
The tariff classification of (2S, 3S)-3-Phenylglycidol, CAS 104196-23-8 from Germany
(2S, 3S)-3-Phenylglycidol, CAS 104196-23-8, a pharmaceutical intermediate also known as (2S, 3S)-3-Phenyloxiranemethanol, is an epoxyalcohol.
The tariff classification of (2R, 3R)-3-Phenylglycidol, CAS 98819-68-2 from Germany
(2R, 3R)-3-Phenylglycidol, CAS 98819-68-2, a pharmaceutical intermediate also known as (2R, 3R)-3-Phenyloxiranemethanol, is an epoxyalcohol.
The tariff classification of Epichlorohydrin, CAS # 106-89-8, in bulk form, from Russia
The tariff classification of Epichlorohydrin, CAS # 106-89-8, in bulk form, from Russia
The tariff classification of (S)-(+)-Glycidyl-3-nitrobenzene sulfonate, CAS #115314-14-2, imported in bulk form, from the United Kingdom
The subject product, (S)-(+)-Glycidyl-3-nitrobenzene sulfonate, is an aromatic nitrated, ester of a sulfonated derivative of an epoxide indicated for use as a pharmaceutical intermediate.
Other codes in heading 2910
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2910.30.00.00 from each major US trading partner.
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