3,3'-Dichlorobenzidine Dihydrochloride 99% Technical Grade from Mexico
Technical grade 3,3'-Dichlorobenzidine dihydrochloride at 99% purity for industrial dye synthesis, specifically enumerated under HTS 2921.59.80.10. Qualifies as separate chemically defined organic compound per Chapter 29 note 1(a).
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify 'technical grade' and exact purity percentage on entry documents to justify 2921.59.80.10 specific classification
• Provide shipping papers indicating stabilizer-free packaging to meet Chapter 29 note 1(f) requirements
• Monitor for CBP requests for structural formula confirmation matching dichlorobenzidine dihydrochloride