sym-Diethyldiphenylurea from Mexico
sym-Diethyldiphenylurea is a specific aromatic ureine derivative classified under HTS 2924.21.18.00 as a cyclic amide-function compound of carbonic acid. It appears as a white to off-white crystalline powder primarily used as a chemical intermediate in organic synthesis.
Duty Rate — Mexico → United States
16.5%
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
• Provide detailed chemical analysis and CAS number (90-43-7) to confirm identity as sym-diethyldiphenylurea for proper classification
• Ensure packaging complies with UN regulations for organic chemicals; include Material Safety Data Sheet (MSDS) with shipment
• Verify purity levels (>98%) to avoid reclassification as impure mixtures under Chapter 28 note exclusions