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1,4-Naphthoquinone from China

1,4-Naphthoquinone is a yellow crystalline quinone compound with the formula C10H6O2, featuring two carbonyl groups conjugated in a benzene ring fused to a cyclohexene ring. It falls under HTS 2914.69.90.00 as an 'other' quinone with oxygen function, distinct from anthraquinone or coenzyme Q10. Used in organic synthesis and dye production.

Duty Rate — China → United States

18%

Rate breakdown

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide Certificate of Analysis (CoA) confirming chemical identity and purity as per Chapter 29 notes for separate chemically defined compounds

Ensure SDS includes GHS hazard classification for quinones (toxic, irritant) to meet EPA and OSHA import requirements

Avoid misclassification as dyes (Chapter 32) by documenting non-coloring primary use