High Purity Diethylenetriamine 99.5%+ from Japan
Ultra-high purity diethylenetriamine (>99.5%) for pharmaceutical synthesis, specifically classified as HTS 2921.29.0030 for acyclic polyamines. Its chemical purity ensures compliance with Chapter 29 note 2(a) for separate chemically defined compounds.
Duty Rate — Japan → United States
21%
Rate breakdown
9903.04.628.5%Patented pharmaceutical articles that are the product of Japan, of a European Union member country, of South Korea, of Switzerland, or of Liechtenstein as provided for in subdivisions (c) and (f) of U.S. note 40 to this subchapter
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
• Require GC-MS analysis certificate showing <0.1% isomers or impurities for Chapter 29 eligibility
• FDA prior notice required if ultimate use is pharmaceutical intermediates
• Avoid bulk tankers; glass-lined containers prevent metal catalysis contamination