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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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)