Dicalcium Phosphate Dihydrate USP Grade from China
Calcium hydrogenorthophosphate dihydrate (CaHPO4·2H2O) in USP pharmaceutical grade, used as a calcium and phosphorus supplement in tablets and capsules. It falls under HTS 2835.25.00.00 as a chemically defined phosphate of calcium, meeting Chapter 28 note requirements for inorganic compounds. Purity exceeds 98% with low heavy metals for direct compression in nutraceuticals.
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
• Obtain USP certificate of analysis for FDA compliance; ensure COA verifies dihydrate form and particle size for tableting
• Declare exact water content to avoid reclassification as anhydrous under 2835.25