HTS Browser / Section VI — Chemical industry products / Chapter 38 / Heading 3817 / 3817
HTS 3817 Chapter 38 Section VI Synced Apr 28, 2026

Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902:

Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902:

Base HTS duty
Column 1 General
Effective (China)
15%
Ch. 99
Stacked measures
1
at China
Last change
2 months
Ch. 99 15.0%

What this covers

Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902, are organic chemical mixtures used in various industrial processes, excluding those specifically classified under headings 2707 or 2902.

alkylbenzene mixture alkylnaphthalene blend mixed alkylbenzene product mixed alkylnaphthalene product
Duty stack · origin china

How the 15.0% is built.

0%3.8%7.7%11.5%15.4%
122 · 15.0%
Section 122
All origins except · 9903.01.80
+15.00%
MPF (merchandise processing)
0.3464% · min $31.67 / max $614.35
+0.35%
Effective ad valorem duty (excl. fees)
15.00%
Stacking order
  1. 1
    Apply base HTS rate
    Column 1 General (MFN) or Special (FTA)
  2. 2
    Add Section 301 (if origin qualifies)
    Chapter 99 subheading layered on
  3. 3
    Add IEEPA / 232 surcharges
    Country-scoped emergency measures
  4. 4
    Add MPF & HMF fees
    Applied to entered value

You may also consider

  • 3816

    Alkylbenzenes, parent heading for alkylbenzene products.

  • 3818

    Alkylbenzenes, other than those of heading 2707 or 2902, adjacent classification.

  • 3815

    Alkylbenzenes, other than those of heading 2707 or 2902, related classification.

Origin matters

Rate by country of origin

Same HTS, very different landed cost. Here's how 3817 looks from the top trading partners — on a $10,000 shipment.

FTA partner Section 301 IEEPA in effect
Rates from last sync on Apr 28, 2026 · assumes entered value $10,000 · fees (MPF/HMF) excluded from the comparison above.
Questions about 3817

FAQ for this HTS code.

What is this HTS code?

This is a US Harmonized Tariff Schedule (HTS) code that classifies "Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading 2707 or 2902:". It determines base duty rates for imports; additional duties may apply by country of origin.

Does origin affect duty?

Yes. General and Special rates apply by trade agreement and origin. Additional duties (Section 301, 232, IEEPA) are origin-specific. Use the tariff calculator or resolve API with an origin to see full duty.

How do I compute total duty?

Use our tariff calculator (with HTS and optional origin) or the API endpoint GET /api/v1/tariffs/resolve with hts and origin. The API returns base tariffs and additional measures separately; sum as needed for your use case.

Never miss a rate change on 3817.
We'll email you within an hour of any measure affecting this code.
Tariff data is informational; final determinations are made by CBP.
HTS 3817 · synced Apr 28, 2026 14:34 UTC