Hexamethylenetetramine Powder from Japan
Pure hexamethylenetetramine (urotropin) in powdered form, a heterocyclic compound with an unfused triazine ring structure, classified under HTS 2933.69.5000 as it matches the chemical definition in the heading. Used primarily as a chemical intermediate and reagent.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide Certificate of Analysis (COA) confirming 99%+ purity to avoid reclassification as mixtures under Chapter 38
• Ensure SDS includes CAS 100-97-0 and proper GHS labeling for UN 1336 hazardous classification
• Declare as pure compound; impurities under 1% are allowed per Chapter 29 note (a)