Pentachlorobenzene Lab Reference Standard from China
Certified reference material of pentachlorobenzene for analytical calibration in environmental testing labs. Classified in HTS 2903.93.00.00 as the pure compound, not as a preparation despite small packaging.
Duty Rate — China → United States
23%
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
9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 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(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
Import Tips
• Include NIST-traceable certificate of analysis; declare as 'analytical standard, not for synthesis'
• Small quantities (<1kg) still Chapter 29 if chemically defined per note (a); avoid 'kit' descriptions