Diethylene Glycol Aqueous Solution 50% from Mexico
50% 2,2'-Oxydiethanol in deionized water solution qualifying under Chapter Note (d) for ether-alcohols dissolved in water. Used in heat transfer applications and deicing fluids. Imported under HTS 2909.41.00.00 as chemically defined compound in water.
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
• Concentration verification by Karl Fischer titration and GC analysis required to confirm Chapter Note (d) applicability
• DI water quality specs (conductivity <1 μS/cm) documentation essential
• Freeze point depression data (-17°C typical) supports end-use claims