Dinitrobenzene (mixed isomers) from China
Mixed dinitrobenzene isomers (1,3- and 1,4-) are nitrated hydrocarbon derivatives used in dye and explosive manufacture. While containing two nitro groups, classified under HTS 2904.20.5000 'other' as not separately specified. Chapter note 3 prioritizes last numerical heading.
Duty Rate — China → United States
43%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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)
Import Tips
• Isomer ratio analysis (NMR) required; >10% mononitro triggers reclassification
• Explosive material permit needed for >25kg packages
• Purity >95% essential; stabilizers must be transport-justified only