HTS 2933Chapter 29· 2026_rev4

Heterocyclic compounds with nitrogen hetero-atom(s) only:

General (MFN)

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Special / FTA

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Column 2

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Rate shown is General (Column 1) MFN from the 2026_rev4. Additional duties may apply including the 10% Section 122 global surcharge and Section 301 duties on Chinese-origin goods. Last reviewed: 2026_rev4.

Related codes at this level

2901

Acyclic hydrocarbons:

2902

Cyclic hydrocarbons:

2903

Halogenated derivatives of hydrocarbons:

2904

Sulfonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated:

2905

Acyclic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives:

2906

Cyclic alcohols and their halogenated, sulfonated, nitrated or nitrosated derivatives:

2907

Phenols; phenol-alcohols:

Frequently asked

What HTS codes fall under 2933?

Heading 2933 covers Heterocyclic compounds with nitrogen hetero-atom(s) only:. Subcodes further classify products by material, use, or form — see the subcodes list below.

What is the duty rate for 2933?

Duty rates are not set at the 4-digit heading level. Drill down to the 8 or 10-digit tariff line that matches your product.

Does the 10% Section 122 surcharge apply to 2933?

Yes — the Section 122 global surcharge applies in addition to the base MFN rate shown above. Use our Tariff Impact Calculator to see the total landed rate for your product.

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