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HSChapter 38
U.S. exports of mixed alkylbenzenes & mixed alkylnaphthalenes (HS 381700) totaled $39.5M in July 2026.
Importers of Mixed Alkylbenzenes & Mixed Alkylnaphthalenes paid $7K in duties in July 2026 — an effective duty rate of 7.6% on $98K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataMixed alkylbenzenes — most importantly linear alkylbenzene (LAB), the primary feedstock for biodegradable surfactants used in detergent manufacturing — and mixed alkylnaphthalenes are petrochemical intermediates excluded from headings 2707 and 2902. The US schedule separates mixed linear alkylbenzenes (3817001000), the commercially dominant LAB stream, from other mixed alkylbenzenes (3817001250 and 3817001500) and mixed alkylnaphthalenes (3817002000). Canada leads US import supply, with France and South Korea also significant sources. LAB is a globally traded commodity with pricing closely tied to benzene and kerosene feedstock markets, making supply-chain origin and freight economics central to sourcing decisions.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
62 shipments/mo
LAB (classified at 3817001000) is the world's most widely used feedstock for linear alkylbenzene sulfonate (LAS), the anionic surfactant in most household and industrial detergents. Its commercial volume and distinct chemical profile — a mixture of C10–C14 linear alkyl chains attached to a benzene ring — justify a dedicated tariff line separate from branched or other mixed alkylbenzenes. Importers should confirm chain-length distribution data from the supplier to support classification.
Heading 3817 explicitly excludes products of headings 2707 (oils and other products of the distillation of high-temperature coal tar) and 2902 (cyclic hydrocarbons). Mixed alkylbenzenes of 3817 are synthetic products produced by alkylation of benzene with olefins, not coal-tar distillates or pure cyclic hydrocarbons. The production route and chemical composition — specifically the presence of alkyl substituents on the benzene ring in a defined mixture — are the distinguishing classification criteria.
Subheading 1 of 1 in heading 3817
Subheading 381700 · $10.2M of $10.2M
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ImportsExports
Imports
$10.2MYoY · Pro
Exports
$39.5MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 3817001000 | Mixed Linear Alkylbenzenes | $9.9M | 0.06% | 0.89% | $6K |
| 3817001500 | Mixed Alkylbenzenes, NESOI | $307K | 0.00% | 0.00% | -- |
| 3817002000 | Mixed Alkylnaphthalenes, Not of Heading 2707/2902 | $11K | 16.50% | 100.00% | $2K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3817001250 | Mixed Alkylbenzenes, Not of Heading 2707 or 2902 | $35.9M |
| 3817002000 | Mixed Alkylnaphthalenes, Not of Heading 2707/2902 | $3.7M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Exports · July 2026
destination
Mexico and Belgium together take 73% of it.
customs district
origin
entry
rate provision · imports
99.0% enters free of duty; the effective duty rate is 0.07%.