Pyrogallol Technical Grade Crystals from China
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 — China → United States
13.8%
Rate breakdown
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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