Pentachlorobenzene Lab Reference Standard from Canada
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 — Canada → United States
15.5%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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