# HTS 2903.51.10.00: 2,3,3,3-Tetrafluoropropene (HFO-1234yf),1,3,3,3-tetrafluoropropene (HFO-1234ze) and (Z)-1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz)

> 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, K, KR, MA, OM, P, PA, PE, S, SG)
- **Column 2 rate:** 25%
- **Corpus rank:** #4820 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 29:** [Organic chemicals](https://plaintariff.com/chapter/chapter-29-organic-chemicals)
- **HTS code:** 2903.51.10.00

## Related tools

- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
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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/2903511000-2333-tetrafluoropropene-hfo-1234yf1333-tetrafluorop*