Rubidium Carbonate from Mexico
Rubidium carbonate, a rare alkali metal salt, is used in specialty glass, fireworks, and research applications. It qualifies under HTS 2836.99.50 as other carbonates of inorganic bases (rubidium). High purity grades support ion-selective applications.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Rare chemical; provide origin certificates and purity assays for valuation
• TSCA reporting mandatory; declare research vs commercial end-use