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Research-Grade Deuterium Oxide D2O 99.95% for NMR Solvents from Japan

Research-grade D2O at 99.95% purity serves as a lock solvent in nuclear magnetic resonance (NMR) spectroscopy. It is heavy water, a chemically defined isotope compound in HTS 2845.10.00.00.

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

Provide university or lab affiliation letters for preferential research tariffs; seal ampoules to maintain purity during transit

Avoid classification disputes by specifying 'deuterium oxide' on invoices