Pyrogallol Technical Grade Crystals from Canada
Technical grade pyrogallic acid crystals (C6H3(OH)3) are chemically defined polyphenols under HTS 2907.29.10.00. These are supplied as free-flowing crystals with anticaking agents for safe transport, meeting Chapter 29 note (f). Primarily used in oxygen absorption indicators and hair dye intermediates.
Duty Rate — Canada → United States
11.3%
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
• Include stabilizer composition in commercial invoice; anticaking agents must be declared per Chapter note (f)
• Obtain prior EPA notification if for dye manufacturing; TSCA registration required for new importers
• Check for anti-dusting agent additions; excess may trigger reclassification from pure compound