Ethylenethiourea (ETU) Plant Growth Regulator from China
Ethylenethiourea functions as a thiourea-derived plant growth regulator controlling sucker growth in tobacco and promoting lateral branching. HTS 2930.90.30.00 includes it as a thiuram-related pesticide affecting plant physiology. Applied as foliar spray during cultivation.
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
• Tobacco-specific tolerances require import residue analysis certificates
• Highly toxic; Level 1 PPE requirements must be documented in SDS
• Technical material needs HPLC purity verification (min 97%)