Heading 2830: Sulfides; polysulfides, whether or not chemically defined
Every line of heading 2830 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.
Sulfides; polysulfides, whether or not chemically defined
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 |
|---|---|---|
| 2830.10.00.00 | Sodium sulfides | 3.7% |
| 2830.90 | Other: | |
| 2830.90.10.00 | Zinc sulfide, luminescent grade having a purity of 99.99 percent or more by weight | Free |
| 2830.90.15.00 | Other zinc sulfide | 2.8% |
| 2830.90.20.00 | Cadmium sulfide | 3.1% |
| 2830.90.90.00 | Other | 3% |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2830 has 5 of them. Schedule B lookup →
- 2830.10.0000SODIUM SULFIDES
- 2830.90.1000ZINC SULFIDE LUMINESCENT GRADE PURITY > 99.99% BY WEIGHT
- 2830.90.1500ZINC SULFIDE, NESOI
- 2830.90.2000CADMIUM SULFIDE
- 2830.90.9000SULFIDES AND POLYSULFIDES, NESOI
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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