Heading 2804: Hydrogen, rare gases and other nonmetals
Every line of heading 2804 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Hydrogen, rare gases and other nonmetals
Chapter 28: Inorganic chemicals. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2804.10.00.00 | Hydrogen | 3.7% |
| 2804.21.00.00 | Argon | 3.7% |
| 2804.29.00 | Other | 3.7% |
| 2804.29.00.10 | Helium | |
| 2804.29.00.20 | Neon | |
| 2804.29.00.30 | Isotopically pure rare gases having a purity of 99 percent or more by volume | |
| 2804.29.00.55 | Other | |
| 2804.30.00.00 | Nitrogen | 3.7% |
| 2804.40.00.00 | Oxygen | 3.7% |
| 2804.50.00 | Boron; tellurium | Free |
| 2804.50.00.10 | Boron | |
| 2804.50.00.20 | Tellurium | |
| 2804.61.00.00 | Containing by weight not less than 99.99 percent of silicon | Free |
| 2804.69 | Other: | |
| 2804.69.10.00 | Containing by weight less than 99.99 percent but not less than 99 percent of silicon | 5.3% |
| 2804.69.50.00 | Other | 5.5% |
| 2804.70.00.00 | Phosphorus | Free |
| 2804.80.00.00 | Arsenic | Free |
| 2804.90.00.00 | Selenium | Free |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2804 has 14 of them; the first 12 are below. Schedule B lookup →
- 2804.10.0000HYDROGEN
- 2804.21.0000ARGON
- 2804.29.0010HELIUM
- 2804.29.0050OTHER RARE GASES
- 2804.30.0000NITROGEN
- 2804.40.0000OXYGEN
- 2804.50.0010BORON
- 2804.50.0020TELLURIUM
- 2804.61.0000SILICON CONTAINING BY WEIGHT NOT LESS THAN 99.99 PERCENT OF SILICON
- 2804.69.1000SILICON CONTAINING BY WEIGHT LESS THAN 99.99 PERCENT BUT NOT LESS THAN 99 PERCENT OF SILICON
- 2804.69.5000SILICON LESS THAN 99 PERCENT PURE
- 2804.70.0000PHOSPHORUS
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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