p-Hydroxybenzaldehyde Flake Form 99% Pure from Mexico
High-purity flake form of p-Hydroxybenzaldehyde meeting USP/NF standards for pharmaceutical intermediates. Classified under 2912.49.15.00 due to its aromatic aldehyde-phenol structure per Chapter 29 definitions. Used in synthesis of antimicrobial agents and UV absorbers.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include lot-specific HPLC chromatogram showing >99% purity to prevent downgrading to 'other' category
• Use UN-approved fiber drums (25kg) with nitrogen blanketing; avoid glass due to alkalinity risks
• Pre-register with TSCA including production volume estimates if >10,000 lbs/year