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Sodium Borohydride-10 Enriched from Mexico

NaBH4 with boron-10 enrichment, a reducing agent for specialized chemical synthesis and neutron-sensitive applications. Falls under HTS 2845.20.00.00 as a compound of enriched boron isotope, meeting Chapter 28 criteria for chemically defined compounds. Supplied in stabilized powder form.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Import Tips

• Provide purity and isotope assay reports; moisture-sensitive, requires inert atmosphere packaging

• Comply with TSCA registration for chemical imports and notify EPA if over thresholds

• Avoid confusion with commercial NaBH4 under 2850.00.00; enrichment level dictates classification