U.S. Customs and Border Protection · CROSS Database · 1 HTS code referenced
Primary HTS Code
2519.90.5000
$29.8M monthly imports
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Ruling Age
29 years
Data compiled from CBP CROSS Rulings, Census Bureau Trade Data · As of 2026-04-28 · Updates monthly
The tariff classification of magnesium oxide from Japan
NY A80593 May 24, 1996 CLA-2-25:RR:NC:GI:226 A80593 CATEGORY: Classification TARIFF NO.: 2519.90.5000 Ms.Cathy Leary Ashland Chemical P.O. Box 2219 Columbus, Ohio 43216 RE: The tariff classification of magnesium oxide from Japan Dear Ms. Leary: In your letter dated February 8, 1996, you requested a tariff classification ruling regarding magnesium oxide. Samples of both grades of the product (granular and powder) were submitted with your request. Starmag P and Starmag PG, which were referenced as the tradename for magnesium oxide, were sent to our Customs laboratory for analysis. The laboratory confirmed the product to be magnesium oxide. The applicable subheading for the magnesium oxide will be 2519.90.5000, Harmonized Tariff Schedule of the United States (HTS), which provides for natural magnesium carbonate (magnesite)...other magnesium oxide, whether or not pure: other: other. The rate of duty will be free. This ruling is being issued under the provisions of Part 177 of the Customs Regulations (19 C.F.R. 177). A copy of the ruling or the control number indicated above should be provided with the entry documents filed at the time this merchandise is imported. If you have any questions regarding the ruling, contact National Import Specialist Jacob Bunin at 212-466-5796. Sincerely, Roger J. Silvestri Director, National Commodity Specialist Division