Deuterium Oxide D2O Laboratory Grade 99.8% Isotopic Purity from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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