High Purity 4,4'-Methylenedianiline Flakes from Canada
High purity (>99%) 4,4'-methylenedianiline supplied in flake form for precise industrial dosing in isocyanate reactions. Explicitly under HTS 2921.59.3000 as the pure, chemically defined aromatic polyamine matching the tariff description. Critical intermediate for MDI production.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide melting point and assay data in entry docs to distinguish from lower grades
• Ensure nitrogen blanketing during storage/shipping to prevent oxidation
• Check Anti-Dumping duties if sourced from specific countries like Japan or Europe