p-Toluidine Hydrochloride Monohydrate from China
p-Toluidine hydrochloride monohydrate contains one water molecule per formula unit, used in analytical chemistry standards. Chapter Note (d) explicitly includes such aqueous solutions/crystallized forms under HTS 2921.43.90 when constituting normal commercial practice.
Duty Rate — China → United States
41.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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
• Karl Fischer titration proving monohydrate stoichiometry (<15.3% water)
• Hygroscopic warning labels prevent weight disputes at customs
• Reference material certificates enhance Chapter 29 justification