Calcium Nitrate Tetrahydrate from China
Calcium nitrate tetrahydrate (Ca(NO3)2·4H2O) is a chemically defined inorganic salt of calcium used primarily as a fertilizer component and in concrete setting accelerators. It falls under HTS 2834.29.10.00 as a nitrate of calcium, distinct from ammonium nitrate or other nitrates classified elsewhere. This white, hygroscopic crystalline powder provides essential nitrogen and calcium to plants.
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
• Verify purity and hydrate form via lab analysis for accurate HTS classification; ensure fertilizer-grade products meet EPA labeling if applicable
• Obtain proper MSDS and UN certification for hazardous shipping as it's an oxidizer