Dicofol Reference Standard USP from China
Dicofol Reference Standard USP is certified reference material of 1,1-Bis(4-chlorophenyl)-2,2,2-trichloroethanol for analytical calibration of pesticide residues. Classified under HTS 2906.29.30.00 due to specific chemical naming despite reference use. Provided with traceability to NIST standards.
Duty Rate — China → United States
35%
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
• Reference standards exempt from EPA pesticide registration but require analytical use declaration
• Must include assigned purity value and uncertainty; generic 'technical grade' rejected
• Class 9 miscellaneous dangerous goods; air shipment common pitfall is lithium battery confusion