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2819.10.00.00

Chromium oxides and hydroxides / Chromium trioxide

Classification path

  1. Chromium oxides and hydroxides
  2. Chromium trioxide

Rates of duty

General (MFN)
3.7%
Column 2Cuba, North Korea, Russia, Belarus
25%
Unit of quantity
kg

Trade agreement rates

FreeGSP (lapsed since Dec 31, 2020), U.S.-Australia FTA, U.S.-Bahrain FTA, U.S.-Chile FTA, U.S.-Colombia TPA, AGOA (authorized through Dec 31, 2026), E, U.S.-Israel FTA, U.S.-Jordan FTA, U.S.-Korea FTA, U.S.-Morocco FTA, U.S.-Oman FTA, CAFTA-DR, U.S.-Panama TPA, U.S.-Peru TPA, USMCA, U.S.-Singapore FTA

Related lines in heading 2819

About heading 2819

Chromium oxides and hydroxides

Heading 2819 covers chromium oxides and chromium hydroxides. It is split into two declarable lines: chromium trioxide in 2819.10.00.00 and all other chromium oxides and hydroxides in 2819.90.00.00. Both lines carry a general (MFN) duty rate of 3.7%.

Full guide to heading 2819

Products in this heading

  • Chromium trioxide flakes for plating
  • Chromium trioxide granules
  • Chrome oxide green powder
  • Chromium(III) oxide powder
  • Chromium hydroxide powder
  • Chromium oxide catalyst grade
  • Chromium oxide refractory grade

Frequently asked questions

What is the HTS code for chromium trioxide?

Chromium trioxide is classified in 2819.10.00.00; the general (MFN) duty rate is 3.7%.

What is the duty on chrome oxide green?

Chrome oxide green, as an other chromium oxide, falls under 2819.90.00.00 and has a general (MFN) duty rate of 3.7%.

How do I classify chromium hydroxide?

Classify chromium hydroxide as an other chromium hydroxide in 2819.90.00.00, with a general (MFN) duty rate of 3.7%, unless it is a prepared pigment or mixture for chapter 32.

Source: USITC Harmonized Tariff Schedule, retrieved October 22, 2026.

HTS 2819.10.00.00: Chromium oxides and hydroxides / Chromium trioxide, 3.7% duty | HTSBase