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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)