HBCD Reference Standard 98% Purity from Canada
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 — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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