# HTS 2519: 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:

https://geopax.app/tariffs/catalog/25/2519

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=2519). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 2519: 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:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 2519 | 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: |  |  |  |  |
| 2519.10.00.00 |   Natural magnesium carbonate (magnesite) | Free |  | $10.33/t | t |
| 2519.90 |   Other: |  |  |  |  |
| 2519.90.10.00 |     Fused magnesia and dead-burned (sintered) magnesia | Free |  | 1.7¢/kg | kg |
| 2519.90.20.00 |     Caustic calcined magnesite | Free |  | $20.70/t | t |
| 2519.90.50.00 |     Other | Free |  | 15.4¢/kg | kg |