HS Code 38.17 – Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading no. 2707 or 2902

HS code 3817 is a 4-digit heading in the Harmonized System that covers: Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading no. 2707 or 2902. Heading 3817 encompasses 'Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading no. 2707 or 2902.' This specialized classification is crucial for the chemical industry, particularly in the production of detergents, solvents, and various chemical intermediates. The key differentiator is 'mixed,' meaning these are blends of isomers or homologues, not pure, isolated compounds. The explicit exclusion of goods from heading 2707 (coal tar distillation products) and 2902 (pure cyclic hydrocarbons) is fundamental. This ensures that 3817 covers specific prepared mixtures that are often synthetic or tailored for particular industrial applications, rather than primary distillation fractions or pure chemicals. Key sub-categories include linear alkylbenzene (LAB) mixtures used as precursors for surfactants, various mixed aromatic solvents (e.g., C9, C10 blends), and heavy alkylbenzene or alkylnaphthalene fractions. For trade compliance, precise classification is essential due to varying tariff rates, environmental regulations concerning biodegradability and volatile organic compound (VOC) content, and safety data sheet requirements. Historically, these mixtures have been instrumental in the development of the modern detergent industry and as versatile industrial solvents. This heading underscores Chapter 38's role in classifying complex chemical preparations that serve as vital intermediates in diverse manufacturing processes, bridging the gap between basic chemical building blocks and finished products.

Linear Alkylbenzene (LAB) mixture for sulfonation, branched alkylbenzene mixtures, mixed C9 aromatic solvents, heavy alkylbenzene residues (if not 2707), mixed alkylnaphthalene fractions, dodecylbenzene (mixed isomers), tridecylbenzene (mixed isomers), tetradecylbenzene (mixed isomers), high-flash aromatic solvents, mixed C10-C13 alkylbenzenes, mixed C11-C14 alkylbenzenes, synthetic aromatic hydrocarbon mixtures for specialized solvents, mixed alkylbenzene feedstocks for chemical synthesis, mixed alkylnaphthalene derivatives for plasticizers, solvent naphtha (if composite and not 2707), aromatic solvent blends for coatings, industrial cleaning formulations (aromatic solvent base), mixed alkylated aromatic hydrocarbons, light alkylbenzenes (mixed).

A frequent misclassification involves confusing 3817 with 2707 (products of coal tar distillation); if the mixed alkylbenzenes/naphthalenes are direct products of coal tar, they belong to 2707. Heading 3817 is for *other* prepared mixtures. Another common error is classifying pure or specified isomers of alkylbenzenes/naphthalenes (e.g., pure xylene) under 3817; these belong to 2902, as 3817 is specifically for *mixtures*. Lastly, general petroleum distillates of 2710 should not be classified here if they are not specifically *mixed alkylbenzenes or alkylnaphthalenes* with distinct chemical identities and applications.

In 2025, the top exporters of HS code 3817 in UN Comtrade data were Saudi Arabia ($623M, 28% of world exports), the United States ($262M) and Canada ($211M). World exports came to about $2.2B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.

In 2025, the top importers of HS code 3817 in UN Comtrade data were India ($451M, 17% of world imports), Nigeria ($228M) and Mexico ($211M). World imports came to about $2.7B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.

HS code 3817 is a 4-digit heading under Chapter 38 of the Harmonized System. The first 2 digits (38) identify the chapter, and digits 3-4 (17) specify the heading. This code contains multiple 6-digit subheadings for precise product classification.