HTSUS, United States

2806.20.00.00

Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid / Chlorosulfuric acid

Classification path

  1. Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid
  2. Chlorosulfuric acid

Rates of duty

General (MFN)
4.2%
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 2806

About heading 2806

Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid

Heading 2806 covers two inorganic chemicals: hydrogen chloride, including hydrochloric acid, and chlorosulfuric acid. It is split by chemical identity. Hydrogen chloride is 2806.10.00.00 at a general (MFN) rate of Free, and chlorosulfuric acid is 2806.20.00.00 at a general (MFN) rate of 4.2%.

Full guide to heading 2806

Products in this heading

  • Hydrochloric acid solution
  • Muriatic acid
  • Hydrogen chloride gas in cylinders
  • Chlorosulfuric acid
  • Hydrochloric acid technical grade
  • Chlorosulfuric acid technical grade
  • Hydrochloric acid 31% solution

Frequently asked questions

What is the HTS code for hydrochloric acid?

Hydrochloric acid is classified under 2806.10.00.00, with a general (MFN) rate of Free.

What is the duty on chlorosulfuric acid?

Chlorosulfuric acid is classified under 2806.20.00.00, with a general (MFN) rate of 4.2%.

How do I classify muriatic acid?

Muriatic acid is an aqueous solution of hydrogen chloride, so it is classified under 2806.10.00.00, with a general (MFN) rate of Free.

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

HTS 2806.20.00.00: Hydrogen chloride (Hydrochloric acid); chlorosulfuric acid..., 4.2% duty | HTSBase