Turnbull's Blue Pigment Preparation from China
Turnbull's blue, a ferrous hexacyanoferrate pigment used in analytical chemistry stains and inks. Classified in HTS 3206.49.55.00 for hexacyanoferrate-based inorganic coloring matter. It offers a softer blue tone than Prussian blue.
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
• Lab-grade pigments require USP/ACS compliance certs for import validation
• Specify 'pigment and preparation' in commercial invoice to distinguish from raw salts
• Watch for misclassification as extenders if used in oil paints