White Phosphorus (Yellow Phosphorus) from Mexico
White phosphorus, also known as yellow phosphorus, is a waxy, poisonous, highly reactive form of elemental phosphorus stored under water. Used in military applications and chemical synthesis, it is classified under HTS 2804.70.00.00 as pure elemental phosphorus.
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
• Strict licensing required due to its use in chemical weapons; check BIS export controls reciprocity
• Ship only in UN-approved containers under inert atmosphere to prevent spontaneous ignition
• Include safety data sheets detailing autoignition temperature below 30°C