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Naphthalic Anhydride 98% Pure from Canada

Naphthalic anhydride is a white to pale yellow crystalline powder used primarily as an intermediate in the synthesis of dyes, pigments, and fluorescent brighteners. This specific grade at 98% purity falls under HTS 2917.39.0800 as it is the pure aromatic polycarboxylic anhydride derived from naphthalene-1,8-dicarboxylic acid. It meets Chapter 29 requirements for separate chemically defined organic compounds without disqualifying additions.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

Import Tips

Provide Certificate of Analysis (CoA) confirming 98% purity and chemical identity to avoid misclassification as mixtures under Chapter 38

Ensure packaging complies with UN recommendations for solid organic chemicals; include proper SDS for hazardous material declarations

Verify no added solvents or stabilizers beyond transport necessities, as per Chapter 29 note (e)