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Tetrahydrofuran NMR Grade Spectroscopic Solvent from Mexico

NMR-grade THF with 99.96% purity and deuterated options available for spectroscopy. Classified under HTS 2932.11.00.00 as pure tetrahydrofuran meeting Chapter 29 chemical definition. Deuterated version remains classified here as isotopically substituted compound.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Declare isotopic content if deuterated; use amber glass for light-sensitive grades

Pitfall: Magnetic field interference during transport requires non-magnetic packaging