1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane from Canada
1,1-Dichloro-2,2-bis(p-ethylphenyl)ethane (DDE) is a chlorinated diaryl ethane compound specifically enumerated under HTS 2903.99.10.00, used historically as an intermediate in DDT synthesis and environmental monitoring standards.
Duty Rate — Canada → United States
15.5%
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
• Include documentation proving analytical reference standard use, not pesticidal application
• Declare under TSCA Section 13 with research exemption justification if applicable
• Provide Certificate of Analysis with exact CAS 72-55-9 identification and purity