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High-Purity Heavy Water for Nuclear Moderation D2O 99.96%

Ultra-high purity deuterium oxide (99.96% D2O) designed for heavy water nuclear reactors as a moderator and coolant. Classified in HTS 2845.10.00.00 for stable heavy water isotopes, excluding radioactive ones.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2844.50.00.00Lower: 17.5% vs 35%

If including spent nuclear fuel residues or irradiated elements

Radioactive residues or spent fuel elements are explicitly under 2844 per chapter note.

2809Lower: 10% vs 35%

If diluted below heavy water threshold and sold as industrial solvent

Lower deuterium content may classify as regular water or hydrogen oxide preparations in 2809.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Secure U.S

NRC or DOE import authorization for nuclear-related shipments; provide chain-of-custody records from production

Test for tritium contamination to confirm non-radioactive status