Calcium Cyanamide Plant Growth Regulator from China
Granular calcium cyanamide (CaCN2), an inorganic compound used as a plant growth regulator to enhance nodulation in legumes and control weeds. Sold in retail bags for organic farming, it falls under HTS 3808.93.20.00. Upon hydrolysis, it releases cyanamide which affects plant hormones.
Duty Rate — China → United States
40%
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
• Include soil pH adjustment instructions as cyanamide requires alkaline conditions for efficacy
• Monitor ammonia off-gassing during storage/shipping per IMDG hazardous goods code
• Certify organic status if marketed as such, per USDA NOP import requirements