Tolylenediamine (2,4-Diaminotoluene) from Japan
Tolylenediamine is an aromatic polyamine used primarily as an intermediate in polyurethane production and as a curing agent for epoxy resins. It falls under HTS 2921.59.80.90 as an aromatic polyamine derivative not specifically enumerated elsewhere in the subheading. This chemically defined compound meets Chapter 29 note (a) for separate organic compounds.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.628.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Provide Safety Data Sheets (SDS) and chemical purity certificates to verify classification under Chapter 29
• Comply with TSCA pre-manufacture notification if introducing new uses in the US
• Avoid misclassification as Chapter 27 hydrocarbons by confirming amine functional groups