# HTS 3824.99.75: Naphthenic acids, their water-insoluble salts and their esters

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** 3.7%
- **Special / FTA rate:** Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
- **Column 2 rate:** 25%
- **Corpus rank:** #4971 of 6827 among dutiable tariff lines
- **Percentile among ad-valorem lines:** 62nd of 13,544 rated lines

## Classification path

- **Section VI:** [Products of the Chemical or Allied Industries](https://plaintariff.com/section/vi-products-of-the-chemical-or-allied-industries)
- **Chapter 38:** [Miscellaneous chemical products](https://plaintariff.com/chapter/chapter-38-miscellaneous-chemical-products)
- **HTS code:** 3824.99.75

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- [Methodology & sources](https://plaintariff.com/methodology)

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/38249975-naphthenic-acids-their-water-insoluble-salts-and-their-este*