4,4'-Dinitrodiphenylamine Technical Grade from Canada
Technical grade 4,4'-dinitrodiphenylamine used in explosive manufacturing and as a corrosion inhibitor. While primarily dinitro, certain mononitro-dominant batches fall under HTS 2921.44.10.00 when chemically defined as nitrodiphenylamine. Meets Chapter 29 purity standards.
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
• Require ATF permits for explosive precursor imports
• Ensure <0.1% heavy metal impurities per CoA
• Use nitrogen-purged containers to maintain stability