Ethylenethiourea (ETU) Plant Growth Regulator from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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%)