Methylene Diphenyl Diisocyanate (MDI) from Canada
Methylene diphenyl diisocyanate (MDI) is a diisocyanate compound featuring two isocyanate (-N=C=O) groups attached to a diphenylmethane structure, classifying it under HTS 2929.10.80.90 as an 'other' isocyanate with nitrogen function. It is primarily used in the production of polyurethane foams, coatings, and adhesives.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain safety data sheets (SDS) and ensure proper Hazard Class 6.1 labeling for toxic liquid UN 2480 during transport
• Verify purity levels (>99%) via certificate of analysis to confirm classification as chemically defined compound under Chapter 29
• Avoid misclassification as polyurethane prepolymer; pure MDI must be imported without added polyols