High-Purity USP Lithium Carbonate Crystals from Mexico
Crystalline USP lithium carbonate for precise pharmaceutical dosing applications. Falls in HTS 2836.91.0010 as USP-grade, per Chapter 28 for carbonates of inorganic bases.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• X-ray diffraction reports confirm crystal structure
• Segregate from industrial grades in manifests
• Watch EPA TSCA for new chemical notices