Formic Acid Sodium Salt Dihydrate from Mexico
The dihydrate form of sodium formate (HCOONa·2H₂O) is preferred for its stability in textile dyeing and as a mordant. It qualifies under HTS 2915.12.00.00 as a formic acid salt, including solvates per Chapter notes. Imported for dyehouse operations.
Duty Rate — Mexico → United States
15.5%
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
• Declare hydrate water content separately for correct duty calculation on active ingredient
• Textile importers should cross-reference with dyeing process documentation