Deuterium Oxide D2O Laboratory Grade 99.8% Isotopic Purity from Japan
Laboratory-grade heavy water (D2O) at 99.8% isotopic purity is a stable isotope compound used in NMR spectroscopy and chemical research. It falls under HTS 2845.10.00.00 as heavy water, distinct from radioactive isotopes in 2844.
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
• Label containers with exact isotopic enrichment to comply with customs verification; check for end-user statements to prevent diversion to nuclear uses
• Avoid bulk packaging that could mimic regular water shipments