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2921.29.00.55/Propylenediamine/Mexico

Propylenediamine from Mexico

Propylenediamine (1,2-diaminopropane) is an acyclic polyamine classified under HTS 2921.29.00.55, used in fuel additives and polymer synthesis.

Duty Rate — Mexico → United States

100%

Rate breakdown

9903.04.6093.5%Pharmaceuticals Annex IV: patented pharma articles — 100% 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)
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Import Tips

• Distinguish from propyleneimine (cyclic aziridine, HTS 2933)

• Provide comparative GC-MS spectrum confirming acyclic structure

• Declare flash point (-10°C) for proper hazmat shipping classification

Propylenediamine from Mexico — Import Duty Rate | HTS 2921.29.00.55