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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

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

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