HTSBase
HTSUS, United States

2810.00.00.00

Oxides of boron; boric acids

Classification path

  1. Oxides of boron; boric acids

Rates of duty

General (MFN)
1.5%
Column 2Cuba, North Korea, Russia, Belarus
8.5%
Unit of quantity
t

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

About heading 2810

Oxides of boron; boric acids

Heading 2810 covers oxides of boron and boric acids. It has one declarable line, 2810.00.00.00, with a general (MFN) duty rate of 1.5%. The heading does not cover borate salts, boron carbide, boron nitride, or the boron element.

Full guide to heading 2810

Products in this heading

  • Boric acid powder
  • Boric acid flakes
  • Boric acid crystals
  • Orthoboric acid
  • Boron oxide (diboron trioxide)
  • Anhydrous boric acid

Frequently asked questions

What is the HTS code for boric acid?

Boric acid is classified under 2810.00.00.00. The general (MFN) duty rate for that line is 1.5%.

What is the duty on boron oxide?

Boron oxide is declared under 2810.00.00.00, and the general (MFN) duty rate is 1.5%.

How do I classify boric acid powder?

Boric acid powder is classified in heading 2810 and declared under 2810.00.00.00, with a general (MFN) rate of 1.5%, unless it is a mixture or a borate salt.

Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.

HTS 2810.00.00.00: Oxides of boron; boric acids, 1.5% duty | HTSBase