Potassium Nitrate Powder from Mexico
Potassium nitrate (KNO3), also known as saltpeter, is an inorganic nitrate salt under HTS 2834.29.51.00 for nitrates other than specified types. It serves as an oxidizer in gunpowder, fireworks, and toothpaste formulations.
Duty Rate — Mexico → United States
3.5%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Obtain ATF import permits if destined for explosive manufacturing to prevent customs holds
• Label packages with UN 1486 hazard class for proper hazmat declaration during import
• Provide end-use statements to distinguish from fertilizer applications and maintain Chapter 28 classification