Deuterated Water D2O for Mass Spectrometry 99.9% Purity from Mexico
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.
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
• 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