4-Ethylbenzenesulfonic Acid from Japan
4-Ethylbenzenesulfonic acid features ethyl substitution on the aromatic sulfonate ring, qualifying for HTS 2904.10.32.00. Used in specialty surfactant synthesis.
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
• Rare isomer; provide synthetic route documentation
• Confirm single sulfo group via FTIR spectroscopy
• Small volume import; verify minimum order quantities