HBCD Reference Standard 98% Purity from China
High-purity 1,3,5,7,9,11-hexabromocyclododecane reference standard (98%+) is classified under HTS 2903.89.40.00 as a separate chemically defined compound. Meets chapter requirements for organic halogenated cyclics without excluded preparations. Used for EPA method 8275A calibration and research.
Duty Rate — China → United States
41.2%
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
• Include NIST-traceable certificate of analysis specifying isomer distribution and purity
• Declare as 'research chemical' with end-use statement to avoid end-use restrictions
• Package in amber glass with stabilizers per chapter note (f) to maintain classification