Calcium Cyanamide Plant Growth Regulator from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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