Industrial Grade Naphthalic Anhydride Flakes from Japan
Naphthalic anhydride in flake form for bulk industrial use in pigment manufacturing and polymer modification. Classified under HTS 2917.39.0800 as the pure aromatic anhydride without disqualifying impurities or additions. The flaked physical form facilitates handling but does not affect chemical classification under Chapter 29.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Include melting point (126-128°C) and purity specs in commercial invoice to confirm identity as naphthalic anhydride
• Declare correct UN number 2531 for transport; avoid overpackaging that could suggest retail packing exclusion
• Conduct CBP lab testing if purity questioned; common pitfall is misdeclaration as phthalic anhydride (2917.35)