Trimethyl Borate-10 Enriched from Mexico
B(OCH3)3 liquid with boron-10 enrichment, a reagent in organic synthesis and isotopic labeling studies. Under HTS 2845.20.00.00 as an organic compound of enriched boron, per Chapter 28 and 29 note cross-references. Highly flammable, distilled purity.
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
• UN1993 flammable liquid labeling; include GC-MS isotope confirmation
• TSCA and REACH compliance for chemical substances
• Do not classify under regular esters (2920); isotopic enrichment controls heading