2,2'-Dichlorobenzidine from China
2,2'-Dichlorobenzidine is a halogenated aromatic tetraamine used as a dye intermediate and analytical reagent. Falls under HTS 2921.59.80.90 as aromatic polyamine derivative per Chapter 29 note on halogenated derivatives. Dual chlorine substitution enhances reactivity.
Duty Rate — China → United States
31.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Declare chlorine substitution pattern and position isomers separately
• Superfund site reporting may apply for large volume importers
• Analytical reference standard packaging affects retail vs bulk classification