Heading 2519: Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia…
Every line of heading 2519 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.
Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; other magnesium oxide, whether or not pure
Chapter 25: Salt; sulfur; earths and stone; plaster, lime and cement. 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 |
|---|---|---|
| 2519.10.00.00 | Natural magnesium carbonate (magnesite) | Free |
| 2519.90 | Other: | |
| 2519.90.10.00 | Fused magnesia and dead-burned (sintered) magnesia | Free |
| 2519.90.20.00 | Caustic calcined magnesite | Free |
| 2519.90.50.00 | Other | Free |
Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2519 has 4 of them. Schedule B lookup →
- 2519.10.0000NATURAL MAGNESIUM CARBONATE (MAGNESITE)
- 2519.90.1000MAGNESIA, FUSED AND DEAD-BURNED (SINTERED)
- 2519.90.2000MAGNESITE, CAUSTIC CALCINED
- 2519.90.5000MAGNESIUM OXIDES, 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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