Chile Saltpeter Sodium Nitrate from Mexico
Natural sodium nitrate extracted from caliche deposits, historically known as Chile saltpeter, used in fertilizers and food preservation. Classified in HTS 3102.50.00.00 as sodium nitrate per note (a)(i), provided not in 3105 retail forms.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Certify natural origin if claiming Chile FTA benefits; test for impurities to ensure fertilizer grade compliance; label clearly to distinguish from synthetic for food additive uses