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Trimethyl Borate-10 Enriched from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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