2929.10.80
Other
Compounds with other nitrogen function: Isocyanates: 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)
6.5%
Column 2 (Non-NTR)
15.4¢/kg + 52%
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)
No active Chapter 99 measures are linked to this code.
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 6.5%.
Related CBP rulings
The tariff classification of Octadecyl isocyanate (CAS # 112-96-9) from China
The product under consideration is Octadecyl isocyanate (CAS # 112-96-9). It is also known as Stearyl isocyanate. It is used as a dyeing and printing ancillary, mostly for Angora textiles.
The tariff classification of Hydrogenated MDI (HMDI), and Isophorone diisocyanate (IPDI) from China
, Ltd. The subject products are two separately identifiable organic compounds: 1) Hydrogenated MDI (HMDI) and 2) Isophorone diisocyanate (IPDI). You provide the following description of the two products. HMDI and IPDI are intermediate mater
USMCA Eligibility of MMDI and PMDI Chemicals
Wanhua is a subsidiary of Wanhua Chemical Group Co., Ltd., a Chinese entity that is one of the world’s largest MMDI and PMDI manufacturers. MMDI and PMDI are chemicals that are used in the production of polyurethane, which you describe as “
The country of origin of N-Stable 25 N-Butylthiophosphoric triamide fertilizer additive (“N-Stable 25 fertilizer aid”).
The merchandise under consideration is called N-Stable 25 N-Butylthiophosphoric triamide fertilizer additive “N-Stable 25 (“N-Stable 25 fertilizer aid”). Keystone Specialty Chemicals requests a binding ruling on the country of origin of liq
The tariff classification of 1-3-bis(Isocyanatomethyl) cyclohexane (CAS No. 38661-72-2) from Japan
The subject product is a chemical called 1-3-bis(Isocyanatomethyl) cyclohexane (CAS No. 38661-72-2). The product is used as an isocyanate monomer for making polyurethane resin and other products. It is also known as Takenate 600. You sugges
Application for Further Review of Protest (AFR) No. 1601-14-100056; Tariff classification of N-(n-Butyl) thiophosphoric triamide (NBPT), CAS No. 94317-64-3
The subject merchandise is N-(n-Butyl) Thiophosphoric Triamide (NBPT), Chemical Abstracts Service (“CAS”) No. 94317-64-3 and molecular formula C4H14N3PS. Laboratory Report #NY20101855, dated January 15, 2011, indicates that the product is a
The tariff classification of Isocyanatoacetic acid ethyl ester, CAS No. 2949-22-6 from Czech Republic
The subject product, Isocyanatoacetic acid ethyl ester, also known as Acetic acid, isocyanato-, ethyl ester, is an ester of a nonaromatic isocyanate. The product is indicated for use as a chemical intermediate.
The tariff classification of N-(n-Butyl)thiophosphoric triamide (NBPT), CAS No. 94317-64-3, and 3,4-Dimethyl-1H-pyrazolium dihydrogen phosphate (DMPP), CAS No. 202842-98-6, from China
The compound, N-(n-butyl)thiophosphoric triamide (NBPT), is a butylated thiophosphorotriamidate. Based on the chemical structure, the product is nonaromatic chemical compound with other nitrogen function. It is a separate chemically defined
Substitution, unused merchandise drawback: commercial interchangeability; 19 U.S.C. § 1313(j)(2); 19 C.F.R § 191.32(c); monomer 1,6-Hexamethylene diisocyanate ("HDI"), Desmodur H, CAS-No. 822-06-0
Whether imported and exported monomeric 1,6-hexamethylene diisocyanate, CAS-No. 822-06-0, both of which meet BAS’s specifications and are marketed as Desmodur H, are commercially interchangeable with one another, pursuant to 19 U.S.C. § 131
The tariff classification of 2-Isocyanatoethyl methacrylate, CAS No. 30674-80-7 from China
2-Isocyanatoethyl methacrylate, also known as 2-Propenoic acid, 2-methyl-, 2-isocyanatoethyl ester, is an ester of a nitrogen function compound (isocyanate). The product is a pharmaceutical intermediate.
Substitution, unused merchandise drawback: commercial interchangeability; 19 U.S.C. § 1313(j)(2) and (j)(3); 19 C.F.R § 191.32(c); methylenedi-p-phenylene isocyanate ("MDI"), Mondur M-Fused, Mondur M-Molten, Mondur M-Flaked, and Desmodur 44 S Fused; CAS Registry Number 101-68-8
According to BMS’s submission, BMS purchases, imports, and resells various polymers, copolymers, monomers, and other organic compounds. The types of isocyanates at
Bayer MaterialScience LLC.; Commercial interchangeability; 19 C.F.R. §191.32(c); 19 U.S.C. §1313(j)(2); Toluene Diisocyanate T80.
BMS states that it is engaged in the manufacture, import, and export of TDI T80. BMS sells and markets TDI T80 under the trade names Desmodur T80 and Mondur T80. BMS uses various material numbers to identify Desondur T80 and Mondur T80, but
Other codes in heading 2929
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2929.10.80 from each major US trading partner.
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