Deuterated Water D2O for Mass Spectrometry 99.9% Purity
Deuterated water (D2O) at 99.9% purity used as a solvent and internal standard in mass spectrometry and isotopic labeling studies. It is an inorganic compound of deuterium isotope under HTS 2845.10.00.00.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mixed with technetium or other heading 2844 elements
Compounds of specified radioactive elements take precedence in 2844.
If for retail-packed chemical preparations in lab kits
Mixtures put up for retail sale as lab chemicals fall in 3824, not pure compounds.
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Import Tips & Compliance
• Include MSDS with deuterium content declaration; declare as research chemical to avoid general chemical tariffs
• Watch for volume limits on air shipments due to liquid restrictions
Related Products under HTS 2845.10.00.00
Heavy Water (Deuterium Oxide) D2O 99.9% Purity
Heavy water, chemically known as deuterium oxide (D2O), is water enriched with deuterium isotopes, classified under HTS 2845.10.00.00 as an isotope compound other than those in heading 2844. It is used primarily in nuclear reactors as a neutron moderator due to its unique isotopic properties.
Deuterium Oxide D2O Laboratory Grade 99.8% Isotopic Purity
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.
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.
Industrial Heavy Water D2O 99.5% for Chemical Synthesis
Industrial-grade heavy water (D2O 99.5%) employed in organic synthesis and deuterium exchange reactions in pharmaceutical production. Classified as deuterium oxide under HTS 2845.10.00.00 per chapter isotope provisions.
Research-Grade Deuterium Oxide D2O 99.95% for NMR Solvents
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.