HS code 251990: Natural Magnesium Carbonate
- Covers:
- Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia… not listed under the other codes in this heading.
- Not covered:
- 251910 (Natural magnesium carbonate (magnesite)).
- Listed US duty:
- 0% (US general rate, HTS 2026)
Official description
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 : Other
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What 251990 covers and what it doesn’t
Official text: 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 › Other.
This is the “other” line of heading 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). It takes goods of that heading that no more specific subheading names. These go elsewhere:
- 251910 Natural magnesium carbonate (magnesite)
Nearby codes to check
- Heading 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: every subheading side by side.
US duty rate
0%
General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.
Who imports under 251990
EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 251990 →
Common questions
- What is HS code 251990?
- 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 : Other
- What duty rates apply to 251990?
- Listed duty rates range from 0% across 1 country rate.
Browse all of Chapter 25: Salt; sulphur; earths and stone; plastering materials, lime and cement →
Go beyond the code
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