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Phthalic Anhydride 99.5% Technical Grade from Canada

High-purity technical grade phthalic anhydride with 99.5% minimum assay, containing trace maleic anhydride impurities allowable under Chapter 29 note (a). Used in unsaturated polyester resin manufacturing and classified specifically under HTS 2917.35.00.00.

Duty Rate — Canada → United States

16.5%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide Certificate of Analysis (COA) confirming purity meets Chapter 29 'separate chemically defined' criteria

Ensure packaging prevents moisture absorption which could hydrolyze to phthalic acid

Phthalic Anhydride 99.5% Technical Grade from Canada — Import Duty Rate | HTS 2917.35.00.00